Micross

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High Temperature Laminate Characterization
Keywords: high temperature packaging, high temperature laminates, high temperature circuit board
Printed circuit boards have been reported to have limited lifetime at 200 to 250C. Characterization and modeling high temperature laminates for application at 200 to 250C was conducted to better quantify the mean lifetime using accelerated testing of key functional parameters. Life testing and model development was applied for via cyclic life, peel strength, and weight loss. Four high temperature laminates consisting of 2 types were evaluated. Via lifetime was characterization using Interconnect Stress Test (IST) coupons. Peel strength was tested using IPC IPC-TM-650 method 2.4.8c. Weight loss was characterized using isothermal and thermogravimetic analysis. Comparison of lifetime is made between the laminate samples.
David Shaddock,
General Electric Global Research
Niskayuna, NY
USA


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