IPC-TM-650 TEST METHODS MANUAL
1 Scope This test measures changes in resistance of plated-through hole barrels and internal layer connections as holes are subjected to thermal cycling. Thermal cycling is …
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IPC-TM-650 TEST METHODS MANUAL
www.ipc.org1 Scope This test procedure is designed to measure the level of extractable ionic contamination on the surface of printed boards and printed board assemblies by …
IPC-TM-650 Originating Task Group TEST …
www.ipc.orgshall be such that the ambient temperature shall reach the specified temperature within twp minutes after the test speci-men has been transferred to the appropriate chamber.