Strain measurement in thermal shock testing.

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We would like to introduce the "strain measurement in thermal shock testing" conducted by our company. A sample with strain gauges attached was set up in the thermal shock testing device, and the wiring of the strain gauges was connected to an external data logger to record strain data in real time during the test. For two types of copper-clad laminates, the strain behavior during the thermal shock test was observed, and it was noted that significant strain occurred with changes in temperature. It was found that FR-1 exhibited greater strain compared to FR-4.

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Strain measurement in thermal shock testing
Observing the behavior of strain in thermal shock testing! The test materials used are FR-1 and FR-4.

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