{"id":5700,"date":"2022-07-29T11:14:09","date_gmt":"2022-07-29T09:14:09","guid":{"rendered":"https:\/\/ksg-pcb.com\/?p=5700"},"modified":"2025-02-18T08:35:17","modified_gmt":"2025-02-18T07:35:17","slug":"ksg-qualitaetslabor-temperature-change-test","status":"publish","type":"post","link":"https:\/\/www.ksg-pcb.com\/en\/ksg-qualitaetslabor-temperaturwechseltest\/","title":{"rendered":"5+1 questions about the temperature change test"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5700\" class=\"elementor elementor-5700\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-58e0dde0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"58e0dde0\" 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-5510add9\" data-id=\"5510add9\" 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-355c5297 elementor-widget elementor-widget-text-editor\" data-id=\"355c5297\" 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 reliability of printed circuit boards is influenced by many factors.\u00a0<span style=\"color: var( --e-global-color-primary );\">In the automotive, aerospace and industrial sectors, the ambient temperatures of printed circuit boards can fluctuate between -40\u00b0 and +180\u00b0Celcius. In order to determine how reliably electronic assemblies perform under these conditions, PCBs can be subjected to a temperature cycling test - also known as a temperature shock test.<\/span><\/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 class=\"elementor-section elementor-top-section elementor-element elementor-element-34f9473 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"34f9473\" 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-4a6f3fd\" data-id=\"4a6f3fd\" 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-8bfa89e elementor-widget elementor-widget-image\" data-id=\"8bfa89e\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"536\" src=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_umweltfaktoren-2-768x536.png\" class=\"attachment-medium_large size-medium_large wp-image-5795\" alt=\"Environmental factors of the printed circuit board in a pie chart\" srcset=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_umweltfaktoren-2-768x536.png 768w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_umweltfaktoren-2-300x209.png 300w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_umweltfaktoren-2-1024x715.png 1024w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_umweltfaktoren-2-1536x1072.png 1536w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_umweltfaktoren-2.png 2000w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">In addition to technical cleanliness, vibrations, dust and humidity, cold and heat play a major role.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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 class=\"elementor-section elementor-top-section elementor-element elementor-element-bb29e4f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bb29e4f\" 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-f6c6a38\" data-id=\"f6c6a38\" 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-d4f0368 elementor-widget elementor-widget-text-editor\" data-id=\"d4f0368\" 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><span style=\"font-style: inherit; font-weight: inherit; color: var( --e-global-color-primary );\">On pcb-blog.com we answer five frequently asked questions about our test method and show you how the influence of temperature fluctuations can be reduced.<\/span><\/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 class=\"elementor-section elementor-top-section elementor-element elementor-element-10afb5d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"10afb5d\" 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-4a2af71\" data-id=\"4a2af71\" 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-5fde1ec elementor-widget elementor-widget-heading\" data-id=\"5fde1ec\" 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\">What is the temperature change test for?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3817141 elementor-widget elementor-widget-text-editor\" data-id=\"3817141\" 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>Electronic devices used in the automotive, aerospace and industrial sectors sometimes have to withstand very large temperature fluctuations.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae46e21 elementor-widget elementor-widget-image\" data-id=\"ae46e21\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"543\" src=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_temperaturschwankungen-768x543.png\" class=\"attachment-medium_large size-medium_large wp-image-5786\" alt=\"Temperature fluctuations that affect the printed circuit board in different industries in a bar chart\" srcset=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_temperaturschwankungen-768x543.png 768w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_temperaturschwankungen-300x212.png 300w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_temperaturschwankungen-1024x724.png 1024w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_temperaturschwankungen-1536x1086.png 1536w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_temperaturschwankungen.png 2000w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Temperature fluctuations in the environment of printed circuit boards by industry and area of application<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e4ce3d4 elementor-widget elementor-widget-text-editor\" data-id=\"e4ce3d4\" 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>For the printed circuit boards installed in them, this means that they must retain their functional properties as a component carrier and electrical conductor system even under thermal stress. This can be simulated using a temperature cycling test, which is used to test the ageing behavior of PCBs at rapidly changing temperatures.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-377edab elementor-widget elementor-widget-heading\" data-id=\"377edab\" 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\">What characterizes a temperature change test?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d46ac74 elementor-widget elementor-widget-text-editor\" data-id=\"d46ac74\" 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 temperature cycling test is often performed as an end-of-life test, i.e. it is completed as soon as all tested parts have failed. Following this, the data obtained is usually subjected to a Weibull failure analysis and evaluated using the characteristic parameters of service life, form factor and failure-free time. If a specific failure criterion is to be checked for compliance, this is referred to as a \"success run\". This means that all tested parts may only fail after a time limit.<\/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 class=\"elementor-section elementor-top-section elementor-element elementor-element-1fa53a0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1fa53a0\" 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-57355c7\" data-id=\"57355c7\" 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-3416b7c elementor-widget elementor-widget-heading\" data-id=\"3416b7c\" 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\">How does a temperature change test work?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0bbac0e elementor-widget elementor-widget-text-editor\" data-id=\"0bbac0e\" 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>In the temperature cycling tests carried out by the KSG Group, the test specimens are installed in a test basket, which is moved cyclically into a cold chamber and a hot chamber.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f8936e1 elementor-widget elementor-widget-image\" data-id=\"f8936e1\" 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=\"768\" height=\"543\" src=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_simulation-768x543.png\" class=\"attachment-medium_large size-medium_large wp-image-5784\" alt=\"Temperature change cabinet in the KSG quality laboratory with hot and cold chamber\" srcset=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_simulation-768x543.png 768w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_simulation-300x212.png 300w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_simulation-1024x724.png 1024w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_simulation-1536x1086.png 1536w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_simulation.png 2000w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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<div class=\"elementor-element elementor-element-e479b08 elementor-widget elementor-widget-text-editor\" data-id=\"e479b08\" 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>Typical implementation conditions are<\/p><ul><li><span style=\"font-style: inherit; font-weight: inherit; color: var( --e-global-color-primary );\">Cold chamber: -40\u00b0C<\/span><\/li><li>Hot chamber: +125\u00b0C<\/li><li>Tempering per chamber: 25 min<\/li><li>Changeover time between chambers: &lt; 30 s<\/li><li>Number of cycles: 1,000<\/li><\/ul><p>With real circuits, the tests can be evaluated visually or by means of a microsection test. The use of resistance testing is much more efficient. For this, it is necessary to establish suitable test layouts and define suitable failure criteria.<\/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 class=\"elementor-section elementor-top-section elementor-element elementor-element-e9e072f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e9e072f\" 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-d0a97e9\" data-id=\"d0a97e9\" 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-06c1c05 elementor-widget elementor-widget-heading\" data-id=\"06c1c05\" 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\">What types of faults are tested using the temperature change test?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4dbedd9 elementor-widget elementor-widget-text-editor\" data-id=\"4dbedd9\" 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 temperature cycling test focuses on the following types of faults:<\/p><ul><li>Cracking in the copper sleeve of through-holes and large blind holes<\/li><li>Demolition of the inner layer connections of through holes and blind holes<ul style=\"list-style-type: square;\"><li>Failure of the inner layer connection of LASER vias on the target pad<\/li><li>Cracking in solder masks\u00a0\u00a0<\/li><li>Delamination of composite superstructures<\/li><\/ul><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bdc7b23 elementor-widget elementor-widget-heading\" data-id=\"bdc7b23\" 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\">What is the main cause of PCB failure in the temperature cycling test?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-25e3ec8 elementor-widget elementor-widget-text-editor\" data-id=\"25e3ec8\" 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>A printed circuit board usually consists of copper, epoxy resin and glass fiber mats - materials that differ in their properties such as strength and coefficient of thermal expansion. This means that an increase in temperature leads to different material expansions, resulting in inhomogeneous stress fields. These in turn can cause local stress increases and thus crack formation. If these cracks spread, this leads to electrical interruptions and thus to the failure of the printed circuit board.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-001ebf7 elementor-widget elementor-widget-heading\" data-id=\"001ebf7\" 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\">How can high thermal shock resistance be achieved for printed circuit boards?<\/h2>\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 class=\"elementor-section elementor-top-section elementor-element elementor-element-e8d0d03 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e8d0d03\" 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-1867b3a\" data-id=\"1867b3a\" 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-72112e7 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"72112e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<i aria-hidden=\"true\" class=\"fas fa-info-circle\"><\/i>\t\t\t<\/div>\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-9d6967d elementor-widget elementor-widget-text-editor\" data-id=\"9d6967d\" 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>In order to achieve a high thermal shock resistance for circuit boards, the following main influences should be taken into account:<\/p><ul><li>Low pre-aging due to low impact during storage and loading,<\/li><li>a small expansion of the layer composite in the z-direction,<\/li><li>the use of base materials with the lowest possible thermal expansion coefficients, especially in the z-direction,<\/li><li>a high layer thickness of the copper sleeves in drilled holes,<\/li><li>the largest possible drilling diameter and an even distribution,<\/li><li>high production quality of the printed circuit board assembly.<\/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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-f21c480\" data-id=\"f21c480\" 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-28c6fa8 elementor-widget elementor-widget-image\" data-id=\"28c6fa8\" 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 loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"543\" src=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_grafik-768x543.png\" class=\"attachment-medium_large size-medium_large wp-image-5782\" alt=\"Overview of the main factors influencing the thermal shock resistance of the PCB\" srcset=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_grafik-768x543.png 768w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_grafik-300x212.png 300w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_grafik-1024x724.png 1024w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_grafik-1536x1086.png 1536w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2022\/07\/temperaturwechseltest_grafik.png 2000w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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 class=\"elementor-section elementor-top-section elementor-element elementor-element-a998c8a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a998c8a\" 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-4fc5eb2\" data-id=\"4fc5eb2\" 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-504827b elementor-widget elementor-widget-text-editor\" data-id=\"504827b\" 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>Do you have further questions? You can find more information on the temperature change test in our XPERTS online seminar\u00a0<span style=\"color: var( --e-global-color-primary );\">\"It's the layering that counts: Printed circuit boards in temperature cycling tests\" with\u00a0<\/span><span style=\"font-style: inherit; font-weight: inherit; color: var( --e-global-color-primary );\">Dr. Swantje Fr\u00fchauf and Holger B\u00f6nitz. You can register for the on-demand version, which is available at any time<a href=\"https:\/\/attendee.gotowebinar.com\/register\/7881997959722857996?source=Blog\"> <span style=\"text-decoration: underline;\">register here<\/span><\/a>.\u00a0<\/span><\/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>","protected":false},"excerpt":{"rendered":"<p>Printed circuit boards are tested intensively in advance to ensure that they work reliably even with high temperature fluctuations. KSG explains how.<\/p>","protected":false},"author":26,"featured_media":5766,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[221],"tags":[202,161,371],"class_list":["post-5700","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-endoberflaechen","tag-loetoberflaechen","tag-strombelastbarkeit"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>5+1 Fragen zum Temperaturwechseltest \u26af pcb-blog.com<\/title>\n<meta name=\"description\" content=\"Damit Leiterplatten bei Temperaturschwankungen zuverl\u00e4ssig arbeiten, testet KSG sie vorab intensiv. 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