Electronics Forum: 7506 (Page 1 of 1)

Re: Poor solder joints on QFP 100's

Electronics Forum | Tue Dec 14 03:26:09 EST 1999 | Chris May

Steve, Two good reference books to have are 1) SMT Soldering Handbook by Rudlof Strauss (ISBN 0-7506-3589-4) 2) Soldering In Electronics by R.J. Klein Wassink( ISBN 0-901150-24-x) Regards, Chris

Ionograph testing

Electronics Forum | Mon Aug 02 11:11:01 EDT 2004 | tberkey

I am running no clean boards for automotive applications. We have continued to use a cleanliness test as part of our control plan.I am wondering if anyone has been able to eliminate the cleanliness test due to the use of no clean materials?

ERSA scope?

Electronics Forum | Tue Jul 31 17:16:07 EDT 2001 | davef

Two places to start your search are: 1 Look at last months "SMTnet OnBoard" Forum with Gil Zweig of Glenbrook Technologies. Gil presented his thoughts on the completary capabilities of xray and whatever he called the ERSA scope. 2 Review the fine

Ionograph testing

Electronics Forum | Tue Aug 03 15:23:56 EDT 2004 | tberkey

thanks for your response. I have a couple of reasons for evaluating this. 1) We recently purchased an ionograph to replace an outdate Omega meter. Correlation is required and in discussing this with several people, most wondered why we checked if we

Ionograph testing

Electronics Forum | Mon Aug 02 16:54:07 EDT 2004 | davef

If you eliminate this test, how would you monitor the cleanliness of your: * Bare boards * Components * Processes You probably could get a c of c from your board fab, but a c of c from the component suppliers would be burdonsome [and agruably useles

Any good soldering pallets fabricators to recommend??

Electronics Forum | Mon Feb 09 20:06:15 EST 2009 | davef

Pallet fabricators are: * AGI; 177 Nick Fitcheard Rd NW, Huntsville, AL 35806; 256-858-3300 http://www.agicorp.com/ * Pentagon EMS; 10950 SW 5TH St, Suite 230, Beaverton, OR 97005; 503-924-2747 F503-924-2744 http://www.pentagon-ems.com * M&O Precis

Re: Should I manufacture my own boards or outsource them?

Electronics Forum | Mon Dec 20 11:58:34 EST 1999 | Chris May

Mike, I can only reiterate what Wolfgang has covered. How have you manufactured these previously ? Were they small hand built batches and now you are ramping up production ? Does the $150K include materials or is it free issue ? If a manufacturer


Electronics Forum | Sat Oct 05 07:29:48 EDT 2002 | davef

Design for the Environment (DFE) / Electromagnetic Compliance (EMC) ------------------------------------------------------------------- "Noise Reduction Techniques in Electronic Systems" Henry W. Ott, John Wiley & Sons, New York, 1976 Seltzer, G.S.


Electronics Forum | Tue Jan 11 09:47:01 EST 2000 | Dave F

Abbas: Sources of information on DFM/DFT are: � "SMTnet Express" articles on DFM by Earl Moon � IPC-D-279, 'Design Guidelines for Reliable Surface Mount Technology Printed Board Assemblies' � Books in SMTnet and SMTA book stores � Other examples ar


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