{"id":30250,"date":"2026-06-08T14:47:06","date_gmt":"2026-06-08T12:47:06","guid":{"rendered":"https:\/\/www.lampert.info\/hermetic-sealing-with-micro-pulse-welding\/"},"modified":"2026-07-31T17:39:09","modified_gmt":"2026-07-31T15:39:09","slug":"hermetic-sealing-micro-pulse-welding","status":"publish","type":"post","link":"https:\/\/www.lampert.info\/en\/hermetic-sealing-micro-pulse-welding\/","title":{"rendered":"Hermetic welding with micro-TIG (Hermetic Sealing)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"30250\" class=\"elementor elementor-30250 elementor-29561\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-44a59fb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"44a59fb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-b19feb0\" data-id=\"b19feb0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7feddc7 elementor-widget elementor-widget-heading\" data-id=\"7feddc7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-large\">Hermetic sealing with \nmicro-TIG welding: gas-, liquid-, and vacuum-tight seals<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-353a439 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"353a439\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78b24ce elementor-widget elementor-widget-text-editor\" data-id=\"78b24ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Hermetic seals are gas-, liquid-, and vacuum-tight closures for capsules, sensor housings, and electronic components. They must simultaneously meet the required leak rate, minimize heat input to the capsule contents, and deliver seam quality that is reproducible across batches. Micro-TIG welding with the Lampert Micro Arc Welder meets these requirements for laboratory applications, research, small-batch sensor production, and medical technology. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-3f34dac\" data-id=\"3f34dac\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1fb7133 elementor-widget elementor-widget-image\" data-id=\"1fb7133\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.lampert.info\/wp-content\/uploads\/2026\/06\/goldkapsel-gasdicht-verschweisst-1024x683.jpg\" class=\"attachment-large size-large wp-image-30099\" alt=\"Gold capsules welded gas-tight with the Lampert Micro Arc Welder\" srcset=\"https:\/\/www.lampert.info\/wp-content\/uploads\/2026\/06\/goldkapsel-gasdicht-verschweisst-1024x683.jpg 1024w, https:\/\/www.lampert.info\/wp-content\/uploads\/2026\/06\/goldkapsel-gasdicht-verschweisst-300x200.jpg 300w, https:\/\/www.lampert.info\/wp-content\/uploads\/2026\/06\/goldkapsel-gasdicht-verschweisst-768x512.jpg 768w, https:\/\/www.lampert.info\/wp-content\/uploads\/2026\/06\/goldkapsel-gasdicht-verschweisst-1536x1024.jpg 1536w, https:\/\/www.lampert.info\/wp-content\/uploads\/2026\/06\/goldkapsel-gasdicht-verschweisst-2048x1365.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-d9db8aa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d9db8aa\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6cafaa9\" data-id=\"6cafaa9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d1d26c0 elementor-widget elementor-widget-heading\" data-id=\"d1d26c0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why hermetic sealing is a process problem.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc839d0 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"fc839d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b18a5d elementor-widget elementor-widget-text-editor\" data-id=\"2b18a5d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Sealing a capsule, sensor housing, or electronics enclosure to be vacuum-tight rarely fails because of the weld itself. The real constraint is the contents: radioactive seeds, lithium electrolyte, biological samples, air-sensitive catalysts, pre-assembled sensor electronics, or the calibrated filling of a pressure transducer. Heat, vibration, and contamination must not reach the contents. This shifts the question from \u201cCan this seam be made gas-tight?\u201d to \u201cCan it be made gas-tight without altering the contents?\u201d <\/p><p>Three characteristics are decisive, in this order:<\/p><ol><li><strong>Leak rate below the application-specific threshold:<\/strong> <br\/>The application determines the required value.<\/li><li><strong>Minimal heat transfer to the contents:<\/strong> <br\/>The heat should remain within the capsule wall and not affect the contents. <br\/>The decisive factor here is the selected pulse duration, measured in milliseconds.<\/li><li><strong>Batch-to-batch reproducibility:<br\/><\/strong>Preset welding curves, documented parameters, and a defined workpiece mounting system are more important than operator experience alone.<\/li><\/ol><p> <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-6a1b3b0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6a1b3b0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2637cce\" data-id=\"2637cce\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a18faf2 elementor-widget elementor-widget-heading\" data-id=\"a18faf2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-large\">How tight is \u201chermetically sealed\u201d?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-afa870d elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"afa870d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6189ac2 elementor-widget elementor-widget-text-editor\" data-id=\"6189ac2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u201cHermetic\u201d is not an absolute value. The term always refers to a specified leak rate. Testing is conducted in stages: first, the fine leak test using helium mass spectrometry, followed by the coarse leak test. Helium is used as the test gas because it occurs only in trace amounts in the atmosphere, is chemically inert, and can be detected with high sensitivity using mass spectrometry. <\/p><p>Depending on the application, typical specifications range from approximately 10\u207b\u2076 mbar\u00b7l\/s for larger industrial enclosures to 10\u207b\u2079 mbar\u00b7l\/s for implantable electronics and high-precision applications. The U.S. standard MIL-STD-883 Method 1014, which applies to microelectronic enclosures, grades the permissible leak rate according to cavity volume within precisely this range. The leak rate achieved by a specific seam depends on its geometry, material, and preparation, and is validated on the finished component via a helium leak test. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-0ba2916\" data-id=\"0ba2916\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e8689ff elementor-widget elementor-widget-image\" data-id=\"e8689ff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/www.lampert.info\/wp-content\/uploads\/2026\/06\/platinkapsel-mikroimpulsschweissen-lichtbogen-1024x691.png\" class=\"attachment-large size-large wp-image-30102\" alt=\"Platinum capsule during micropulse welding with the Lampert Micro Arc Welder, arc ignition\" srcset=\"https:\/\/www.lampert.info\/wp-content\/uploads\/2026\/06\/platinkapsel-mikroimpulsschweissen-lichtbogen-1024x691.png 1024w, https:\/\/www.lampert.info\/wp-content\/uploads\/2026\/06\/platinkapsel-mikroimpulsschweissen-lichtbogen-300x202.png 300w, https:\/\/www.lampert.info\/wp-content\/uploads\/2026\/06\/platinkapsel-mikroimpulsschweissen-lichtbogen-768x518.png 768w, https:\/\/www.lampert.info\/wp-content\/uploads\/2026\/06\/platinkapsel-mikroimpulsschweissen-lichtbogen.png 1238w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-149cd05 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"149cd05\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-371b065\" data-id=\"371b065\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-60ca0c9 elementor-widget elementor-widget-heading\" data-id=\"60ca0c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Typical applications<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7415b3d elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7415b3d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3460c9e elementor-widget elementor-widget-text-editor\" data-id=\"3460c9e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Laboratory and scientific containment<\/strong><\/p><ul><li><strong>Brachytherapy capsules:<\/strong> <br\/>Sealing radioactive seeds in thin-walled stainless steel or titanium capsules without affecting the contents thermally. TIG welding of the open end of the capsule is an established production process for sealed radiation sources. <\/li><li><strong>High-pressure cells:<br\/><\/strong>Platinum and Pt-Rh cells for experimental high-pressure research and hydrothermal synthesis<\/li><li><strong>Encapsulation in a glovebox:<br\/><\/strong>Sealing air- or moisture-sensitive samples in an inert gas atmosphere<\/li><li><strong>Reference and standard capsules<\/strong>:<br\/>For example, for isotopic analysis, neutron activation analysis, and trace element analysis<br><br><\/li><\/ul><p><strong>Industrial sensors and electronics<\/strong><\/p><ul><li><strong>Pressure sensor cap:<br\/><\/strong>Seals the stainless steel sensor housing with an IP67\/IP68 rating<\/li><li><strong>Accelerometer and gyroscope modules:<br\/><\/strong>Air- and vacuum-tight sensor designs for aerospace, automotive, and measurement technology<\/li><li><strong>Sealing the housing around glass-to-metal feedthroughs:<br\/><\/strong>The final, hermetic housing seal on the sensor<br\/>Glass-to-metal feedthroughs with Kovar are the standard for electrical wiring; welding seals the housing around them.<\/li><li><strong>Hermetic electronic enclosures<\/strong>:<br\/>For example, for high-reliability applications in aerospace, subsea technology, defense, and medical technology<br><br><\/li><\/ul><p><strong>Medical technology<\/strong><\/p><ul><li><strong>Implantable sensors and stimulators:<br\/><\/strong>Titanium and stainless steel housings seal the device without causing thermal damage to the internal electronics<\/li><li><strong>Implantable delivery systems:<br\/><\/strong>Dense drug reservoirs for controlled drug delivery<\/li><li><strong>Protection of sensitive electronics<\/strong>:<br\/>For example, against bodily fluids in active implants<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-1ee5de2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1ee5de2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0b5c117\" data-id=\"0b5c117\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c9a7314 elementor-widget elementor-widget-heading\" data-id=\"c9a7314\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Materials for hermetic seals<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d7761a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3d7761a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f595ed elementor-widget elementor-widget-text-editor\" data-id=\"6f595ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table><thead><tr><th>Material<\/th><th>Typical use<\/th><th>Remark<\/th><\/tr><\/thead><tbody><tr><td>Stainless steel 1.4404 \/ 316L<\/td><td>Sensor and pressure transducer housings, brachytherapy capsules<\/td><td>Highly weldable, biocompatible<\/td><\/tr><tr><td>Stainless steel 1.4307 \/ 304L<\/td><td>General laboratory enclosures, food-grade applications<\/td><td>Very weldable<\/td><\/tr><tr><td>Grade 2 \/ Grade 5 titanium<\/td><td>Implantable housings, corrosion-prone laboratory capsules<\/td><td>Highly weldable, biocompatible<\/td><\/tr><tr><td>Platinum and Pt-Rh alloys<\/td><td>High-pressure capsules, high-pressure research<\/td><td>Very weldable, thin wall thicknesses<\/td><\/tr><tr><td>Kovar (FeNiCo)<\/td><td>Glass-to-metal feedthroughs, hermetic sealing for electronics<\/td><td>Well-established for hermetic connections<\/td><\/tr><tr><td><br\/>-based alloys (Inconel, Hastelloy)<\/td><td>High-temperature sensor housings<\/td><td>Very weldable<\/td><\/tr><tr><td>Tantalum<\/td><td>Enclosure suitable for corrosive environments<\/td><td>Conditionally suitable; test welding recommended<\/td><\/tr><tr><td>Niobium, zirconium<\/td><td>Special laboratory applications<\/td><td>Conditionally suitable; test welding recommended<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-10fbcea elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"10fbcea\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b4d03f4\" data-id=\"b4d03f4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e36bbb7 elementor-widget elementor-widget-heading\" data-id=\"e36bbb7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why use micro-TIG welding for hermetic seals?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b847fbe elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"b847fbe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7e256a elementor-widget elementor-widget-text-editor\" data-id=\"a7e256a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Minimal heat input to the contents:<br\/><\/strong>Pulse durations ranging from 0.1 to 34 milliseconds keep the interior of the capsule at virtually ambient temperature during the sealing process. For brachytherapy seeds, biological samples, air-sensitive substances, and pre-assembled sensor electronics, this difference determines whether a component is usable or damaged. <\/p><p><strong>Verifiable tightness:<br\/><\/strong>When properly prepared, the seam achieves reproducible leak rates within the industrial hermetic range. The specific value is verified by a helium leak test on the finished component; it is application-specific. <\/p><p><strong>Reproducibility through preset welding curves:<br\/><\/strong>The Micro Arc Welder comes with twelve material programs (universal, gold, silver, platinum, palladium, bronze, stainless steel, titanium, aluminum, tin, brass, copper). Nickel-based alloys such as Inconel can also be welded. Parameters are documented, and processes are repeatable. <\/p><p><strong>Use in the glovebox:<br\/><\/strong>With the proper preparation, the device operates in an inert gas atmosphere.<\/p><p><strong>Pure metallurgical bond:<br\/><\/strong>No flux, no solder line, no contamination pathways. This is important for laboratory applications involving isotopic or chemical analysis. <\/p><p><strong>Cost and space advantages over lasers for small-volume production:<br\/><\/strong>Comparable sealing quality at a fraction of the cost of a laser system, plus a portable tabletop design. <br\/>For high-volume production, lasers remain the more economical choice.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-fac0163 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fac0163\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6ca06c4\" data-id=\"6ca06c4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-52b1ba7 elementor-widget elementor-widget-heading\" data-id=\"52b1ba7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comparison of sealing methods<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30291da elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"30291da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32b03d1 elementor-widget elementor-widget-text-editor\" data-id=\"32b03d1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table><thead><tr><th>Process<\/th><th>Strength<\/th><th>Weakness<\/th><th>Best suitability<\/th><\/tr><\/thead><tbody><tr><td>Micro TIG welding (Lampert Micro Arc Welder)<\/td><td>Individual parts and small batches, portable, tabletop design with microscope, wide range of materials, low investment<\/td><td>Not designed for large-scale production in the millions<\/td><td>Laboratory, research, small-batch sensor production, medical implants<\/td><\/tr><tr><td>Laser welding<\/td><td>High precision, can be automated, suitable for large-scale production<\/td><td>High investment, stationary<\/td><td>Large-scale production runs with defined geometry<\/td><\/tr><tr><td>Electron beam welding<\/td><td>deep, narrow weld, very small heat-affected zone<\/td><td>Very expensive; requires a vacuum chamber<\/td><td>High-quality hermetic seals in the aerospace industry<\/td><\/tr><tr><td>Glass-to-metal feedthrough (soldered)<\/td><td>Standard for electrical feedthroughs<\/td><td>A single component, no housing closure<\/td><td>Electrical cable bushings<\/td><\/tr><tr><td>Resistance and seam welding<\/td><td>Suitable for high-volume production<\/td><td>Only for specific geometries<\/td><td>Lithium cells, can ends<\/td><\/tr><tr><td>Ultrasonic welding<\/td><td>fast, no heat input<\/td><td>limited to polymers<\/td><td>Polymer hermetic sealing<\/td><\/tr><\/tbody><\/table><p>As a rule of thumb: individual laboratory components, research capsules, small-batch sensor production, and implant housings are best suited for the Micro Arc Welder, while mass production in the millions is best suited for laser or seam welding.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-dd7d3a0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dd7d3a0\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2849933\" data-id=\"2849933\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dde0fc1 elementor-widget elementor-widget-heading\" data-id=\"dde0fc1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Practical recommendations<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b9d9c4 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3b9d9c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42412f0 elementor-widget elementor-widget-text-editor\" data-id=\"42412f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Preparation<\/strong><\/p><ul><li>Thoroughly pre-clean the workpiece, usually in an ultrasonic bath. Contaminants can cause pores in the weld. <\/li><li>Finish preparing the component before welding: trim, label, and treat the surface.<\/li><li>First pour in the contents, then seal the capsule.<\/li><\/ul><p><strong>Welding parameters<\/strong><\/p><ul><li>Low energy and a tapered tungsten electrode for thin capsule walls. Practical starting point: 15 to 25% energy, 0.5 to 1.5 ms pulse duration; increase gradually if necessary. <\/li><li>Inert gas: argon \u2265 99.9% (argon 4.6), flow rate approximately 2 l\/min with automatic pre- and post-flow.<\/li><li>If the contents are highly heat-sensitive, use a heat-dissipating tray or clamping device that draws heat away from the contents.<br><br><\/li><\/ul><p><strong>Validation<\/strong><\/p><ul><li>Helium leak test after welding. The achievable leak rate depends on the geometry and surface preparation. <\/li><li>Visual inspection under a microscope: a clean, oxide-free weld with no pores.<\/li><li>Cross-section of the first sample to document the weld penetration depth and weld quality.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-eae3360 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"eae3360\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-88eb1b6\" data-id=\"88eb1b6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d9e0e86 elementor-widget elementor-widget-heading\" data-id=\"d9e0e86\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Recommended equipment: the Lampert Micro Arc Welder<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dd75866 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"dd75866\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c168f58 elementor-widget elementor-widget-text-editor\" data-id=\"c168f58\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table><thead><tr><th>Specification<\/th><th>Value<\/th><\/tr><\/thead><tbody><tr><td>Peak current (TIG)<\/td><td>5 to 1,200 a<\/td><\/tr><tr><td>Pulse duration<\/td><td>0.1 to 34 ms<\/td><\/tr><tr><td>Minimum workpiece thickness<\/td><td>0.1 mm<\/td><\/tr><tr><td>Weld spot diameter<\/td><td>0.2 to 4.0 mm; for depths over 1 mm, use a 1.3 mm electrode<\/td><\/tr><tr><td>Material sets (default)<\/td><td>12 (universal, gold, silver, platinum, palladium, bronze, stainless steel, titanium, aluminum, tin, brass, copper)<\/td><\/tr><tr><td>Aluminum mode<\/td><td>Specially optimized<\/td><\/tr><tr><td>Industry 4.0 interface<\/td><td>Modbus TCP\/IP via LAN (21 documented registers)<\/td><\/tr><tr><td>Patented welding process control<\/td><td>Yes (real-time error detection)<\/td><\/tr><tr><td>inert gas<\/td><td>Argon \u2265 99.9%, approximately 2 l\/min<\/td><\/tr><tr><td>Display<\/td><td>High-resolution, 768 \u00d7 576 pixels<\/td><\/tr><tr><td>Weight<\/td><td>10.9 kg<\/td><\/tr><tr><td>Certification<\/td><td>EN 60974-6, EN 61000-6-2\/-6-4, RoHS 2011\/65\/EU; UKCA-compliant<\/td><\/tr><tr><td>Warranty<\/td><td>1 year; developed and manufactured in Germany<\/td><\/tr><tr><td>Investment (full starter package)<\/td><td>Starting at approximately 7,000 EUR net<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-703bb2e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"703bb2e\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-92c800a\" data-id=\"92c800a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f867cbf elementor-widget elementor-widget-heading\" data-id=\"f867cbf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-large\">Frequently asked questions (FAQ) about hermetic sealing<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-948458b elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"948458b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-591b9b1fe elementor-widget elementor-widget-eael-adv-accordion\" data-id=\"591b9b1fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-adv-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t            <div class=\"eael-adv-accordion\" id=\"eael-adv-accordion-591b9b1fe\" data-scroll-on-click=\"no\" data-scroll-speed=\"300\" data-accordion-id=\"591b9b1fe\" data-accordion-type=\"accordion\" data-toogle-speed=\"300\">\n            <div class=\"eael-accordion-list\">\n\t\t\t\t\t<div id=\"can-brachytherapy-capsules-be-sealed-using-the-micro-arc-welder\" class=\"elementor-tab-title eael-accordion-header\" tabindex=\"0\" data-tab=\"1\" aria-controls=\"elementor-tab-content-2391\"><span class=\"eael-accordion-tab-title\">Can brachytherapy capsules be sealed using the Micro Arc Welder?<\/span><i aria-hidden=\"true\" class=\"fa-toggle fas fa-plus\"><\/i><\/div><div id=\"elementor-tab-content-2391\" class=\"eael-accordion-content clearfix\" data-tab=\"1\" aria-labelledby=\"can-brachytherapy-capsules-be-sealed-using-the-micro-arc-welder\"><p>Yes. Thin-walled titanium and stainless steel capsules can be sealed with minimal heat input. TIG welding of encapsulated radiation sources is a well-established process. Application-specific validation via a helium leak test is recommended. <\/p>\n<\/div>\n\t\t\t\t\t<\/div><div class=\"eael-accordion-list\">\n\t\t\t\t\t<div id=\"is-it-possible-to-perform-a-helium-leak-test-after-welding\" class=\"elementor-tab-title eael-accordion-header\" tabindex=\"0\" data-tab=\"2\" aria-controls=\"elementor-tab-content-2392\"><span class=\"eael-accordion-tab-title\">Is it possible to perform a helium leak test after welding?<\/span><i aria-hidden=\"true\" class=\"fa-toggle fas fa-plus\"><\/i><\/div><div id=\"elementor-tab-content-2392\" class=\"eael-accordion-content clearfix\" data-tab=\"2\" aria-labelledby=\"is-it-possible-to-perform-a-helium-leak-test-after-welding\"><p>Yes. The weld can be tested using a helium leak test after welding. The achievable leak rate depends on the geometry, material, and preparation. <\/p>\n<\/div>\n\t\t\t\t\t<\/div><div class=\"eael-accordion-list\">\n\t\t\t\t\t<div id=\"is-the-device-suitable-for-use-in-a-glovebox\" class=\"elementor-tab-title eael-accordion-header\" tabindex=\"0\" data-tab=\"3\" aria-controls=\"elementor-tab-content-2393\"><span class=\"eael-accordion-tab-title\">Is the device suitable for use in a glovebox?<\/span><i aria-hidden=\"true\" class=\"fa-toggle fas fa-plus\"><\/i><\/div><div id=\"elementor-tab-content-2393\" class=\"eael-accordion-content clearfix\" data-tab=\"3\" aria-labelledby=\"is-the-device-suitable-for-use-in-a-glovebox\"><p>With the proper preparation, yes. The process takes place in an argon inert gas atmosphere. <\/p>\n<\/div>\n\t\t\t\t\t<\/div><div class=\"eael-accordion-list\">\n\t\t\t\t\t<div id=\"how-does-micro-tig-welding-differ-from-laser-welding\" class=\"elementor-tab-title eael-accordion-header\" tabindex=\"0\" data-tab=\"4\" aria-controls=\"elementor-tab-content-2394\"><span class=\"eael-accordion-tab-title\">How does micro-TIG welding differ from laser welding?<\/span><i aria-hidden=\"true\" class=\"fa-toggle fas fa-plus\"><\/i><\/div><div id=\"elementor-tab-content-2394\" class=\"eael-accordion-content clearfix\" data-tab=\"4\" aria-labelledby=\"how-does-micro-tig-welding-differ-from-laser-welding\"><p>Micro-TIG welding is more cost-effective and portable for individual parts and small production runs, while laser welding is better suited for large-scale production runs with defined geometries. The weld quality is comparable for small production runs, and the investment is significantly lower. <\/p>\n<\/div>\n\t\t\t\t\t<\/div><div class=\"eael-accordion-list\">\n\t\t\t\t\t<div id=\"can-platinum-capsules-be-sealed-for-high-pressure-research\" class=\"elementor-tab-title eael-accordion-header\" tabindex=\"0\" data-tab=\"5\" aria-controls=\"elementor-tab-content-2395\"><span class=\"eael-accordion-tab-title\">Can platinum capsules be sealed for high-pressure research?<\/span><i aria-hidden=\"true\" class=\"fa-toggle fas fa-plus\"><\/i><\/div><div id=\"elementor-tab-content-2395\" class=\"eael-accordion-content clearfix\" data-tab=\"5\" aria-labelledby=\"can-platinum-capsules-be-sealed-for-high-pressure-research\"><p>Yes. Platinum and Pt-Rh alloys are very easy to weld when used in thin-walled applications and are commonly used in experimental high-pressure research. <\/p>\n<\/div>\n\t\t\t\t\t<\/div><div class=\"eael-accordion-list\">\n\t\t\t\t\t<div id=\"which-inert-gas-and-which-flow-rate\" class=\"elementor-tab-title eael-accordion-header\" tabindex=\"0\" data-tab=\"6\" aria-controls=\"elementor-tab-content-2396\"><span class=\"eael-accordion-tab-title\">Which inert gas and which flow rate?<\/span><i aria-hidden=\"true\" class=\"fa-toggle fas fa-plus\"><\/i><\/div><div id=\"elementor-tab-content-2396\" class=\"eael-accordion-content clearfix\" data-tab=\"6\" aria-labelledby=\"which-inert-gas-and-which-flow-rate\"><p>Argon \u2265 99.9% (argon 4.6) at approximately 2 l\/min, with automatic pre- and post-flow.<\/p>\n<\/div>\n\t\t\t\t\t<\/div><div class=\"eael-accordion-list\">\n\t\t\t\t\t<div id=\"how-does-micro-tig-welding-differ-from-electron-beam-welding-in-the-aerospace-and-automotive-sectors\" class=\"elementor-tab-title eael-accordion-header\" tabindex=\"0\" data-tab=\"7\" aria-controls=\"elementor-tab-content-2397\"><span class=\"eael-accordion-tab-title\">How does micro-TIG welding differ from electron beam welding in the aerospace and automotive sectors?<\/span><i aria-hidden=\"true\" class=\"fa-toggle fas fa-plus\"><\/i><\/div><div id=\"elementor-tab-content-2397\" class=\"eael-accordion-content clearfix\" data-tab=\"7\" aria-labelledby=\"how-does-micro-tig-welding-differ-from-electron-beam-welding-in-the-aerospace-and-automotive-sectors\"><p>Electron beam welding produces very deep, narrow welds with a minimal heat-affected zone in a vacuum, but requires a vacuum chamber and a significant investment. Micro-TIG welding is performed in an atmosphere under an inert gas and is suitable for individual parts and small production runs in the aerospace and automotive industries. <\/p>\n<\/div>\n\t\t\t\t\t<\/div><div class=\"eael-accordion-list\">\n\t\t\t\t\t<div id=\"who-can-provide-advice-on-a-specific-task\" class=\"elementor-tab-title eael-accordion-header\" tabindex=\"0\" data-tab=\"8\" aria-controls=\"elementor-tab-content-2398\"><span class=\"eael-accordion-tab-title\">Who can provide advice on a specific task?<\/span><i aria-hidden=\"true\" class=\"fa-toggle fas fa-plus\"><\/i><\/div><div id=\"elementor-tab-content-2398\" class=\"eael-accordion-content clearfix\" data-tab=\"8\" aria-labelledby=\"who-can-provide-advice-on-a-specific-task\"><p>The Lampert applications team accepts inquiries at <a href=\"mailto:mail@lampert.info\">mail@lampert.info<\/a> and, upon request, will perform a test weld and provide a written welding report.<\/p>\n<\/div>\n\t\t\t\t\t<\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-3689ead elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3689ead\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-64a6ff0\" data-id=\"64a6ff0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-da31acd elementor-widget elementor-widget-heading\" data-id=\"da31acd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">When micro-TIG welding is the right choice<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7238544 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7238544\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3a373b elementor-widget elementor-widget-text-editor\" data-id=\"f3a373b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The Lampert Micro Arc Welder is ideal for laboratory capsules, research encapsulation, small-batch sensor production, and implant housings: it delivers hermetic seals at industrial standards, maintains a pulse duration short enough to protect the capsule contents, and comes with twelve preset material programs for reproducible results across batches. The investment threshold of approximately 7,000 EUR for a complete benchtop workstation is an order of magnitude lower than that of comparable laser systems. This is crucial when production volumes range from the dozens to the thousands, rather than the millions. <\/p>\n<p>For mass production runs in the millions with defined geometries, such as sensor housings in automotive engineering or lithium-ion cell caps. Laser and seam welding remain more cost-effective. The processes complement each other: micro-TIG for development, prototype validation, and small-batch production, with a switch to laser welding once the annual volume justifies the investment. <\/p>\n<p>For test welds and application-specific advice, please contact the Lampert applications team at <a href=\"mailto:mail@lampert.info\">mail@lampert.info<\/a>. <br\/>A written welding report is provided with every test weld.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Gas-, liquid-, and vacuum-tight seals for capsules, sensor housings, and implants. Micro-TIG welding with the Lampert Micro Arc Welder: tight seams, minimal heat input, and validatable via helium leak testing. <\/p>\n","protected":false},"author":13,"featured_media":30099,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"hermetic sealing","_yoast_wpseo_title":"Hermetic sealing: vacuum-tight seals using micro-TIG welding","_yoast_wpseo_metadesc":"Gas-, liquid-, and vacuum-tight closures using micro-TIG welding: tight seams, minimal heat input, and validatable via helium leak 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