X-Ray Inspection applied to DPA test

Posted by doEEEt Media Group
On April 26, 2022
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During the DPA test, parts go through a systematic and detailed examination at different levels of disassembly. It is important to note that DPA is not a test itself, but rather a comprehensive series of tests where parts are examined for a wide variety of design, workmanship, and processing problems.

PHYSICAL, MECHANICAL & ASSEMBLY, TESTING

Hermeticity testing techniques: Seal Test, Fine & Gross Leak in EEE Parts

Posted by Francisco Javier Aparicio Rebollo
On May 2, 2021
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The purpose of the seal test is to determine the effectiveness of the sealing of components with internal cavities, i.e. to determine their hermeticity. Defective sealing may permit the entrance of contaminants, thus reducing the effective life and reliability of devices.

INSPECTION, ELECTRICAL & VERIFICATION, TESTING

Voids on sealing area.

Posted by Pedro CARABIAS LÓPEZ
On February 10, 2020
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Preliminary observation during the External Visual inspection about possible sealing area defects is not enough to confirm the fault. Additional criteria are provided in this post

INSPECTION, ELECTRICAL & VERIFICATION, TESTING

Identifying Leakage Pathway with a Penetrant Dye Gross Leak Test

Posted by David Ramirez - Cruzado
On March 13, 2019
0

Penetrant dye gross leak test is used to identify leakage pathways within hermetic and non-hermetic devices, such as glass body devices or plastic encapsulated parts. The test provides a definitive view of the leak paths including cracks, voids, delaminations and other fractures.