PCB007 Magazine

PCB-Apr2014

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April 2014 • The PCB Magazine 81 todd kolmodin is the vice president of quality for gar- dien services usa, and an expert in electrical test and reliability issues. His new column, testing todd, now appears monthly in The PCB Magazine. to contact kolmodin, click here. A SUMMARY OF VARIOUS TEST REQUIREMENTS continues having a length exceeding 500 mm (19.68 in.). Compounding this is that some OEMs not only want Class 3, but continuity resistance to not exceed 5 ohms and have net lengths in their board exceeding 750 mm (29.53 in.). This usu- ally leads to delays in final inspection and/or shipping of product until a waiver or master drawing deviation is obtained. In future months I'll be talking about a number of subjects pertinent to testing includ- ing military specifications vis-à-vis electrical test. I will cover the test requirements in specifi- cations 31032, 50884 and 55110. Meanwhile if you have any questions please don't hesitate to contact me, and as always, I welcome you to put me to the test. PCB table 2. Printed Circuit Handbook, 7th Ed., Coming Soon by Real Time with...IPC aPEX EXPo 2014 publishers ray rasmussen and clyde coombs spent time talking shop at ipc apex expo and discussed the 7 th edition of coombs' publishing's printed circuit Handbook, which is scheduled to be released in 2015. realtimewith.com CliCk To View vIdEo InTERvIEw

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