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March 2021 Semiconductor Industry Speaker Series Webinar
Wednesday, March 31, 2021
11:30 a.m. in Pacific Time (US & Canada)

Mil Spec Hermeticity Testing of Class III Medical Implants
Tom Green
TJ Green Associates


Much of the medical device industry has adopted MIL-STD-883 TM 1014 (Seal) and TM 1018 (Internal Gas Analysis) for use in testing Class III products. This presentation will review some of the challenges and limitations that arise when applying these test methods to medical devices. Mil products are intended to operate over a temp range of -55 C to 125 C and lifetimes of 10 to 30 years vs medical implants that operate at a steady 37 C and often shorter lifetimes. A review of how to set the hermeticity spec and predicted moisture ingress in vivo will also be discussed and presented.   

Thomas J. Green has almost 40 years combined experience in industry/academia and the DoD. He is a recognized expert in hermetic testing methods per TM 1014 and moisture related failures in medical and military products. He is a consultant to companies developing next gen medical implants and organizes the yearly Minnowbrook meetings. He has invaluable experience in hermetic sealing and testing, wirebond, die attach, , FA and root cause identification. Tom’s expertise has helped position TJ Green Associates LLC as a recognized industry leader in teaching and consulting services for high-reliability military, space, and medical device applications. Tom is a Fellow of IMAPS (International Microelectronics and Packaging Society).

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