Electronics Forum | Mon Jul 24 11:35:42 EDT 2006 | Jimk@ics-inc.org
We have experienced a problem with tin leaching or discoloration of lead terminals on random parts on solder side of a paste/paste operation. The profile has been used on previous production runs and there doesn't appear to be any heat damage to othe
Electronics Forum | Thu Jul 27 07:50:35 EDT 2006 | davef
Send us pix
Electronics Forum | Fri Jun 29 10:04:27 EDT 2001 | edmentzer
Does anyone know of a company who can repair and straighten the leads on QFP's? We have quite a few parts that were received with bent leads.
Electronics Forum | Tue Oct 27 05:51:28 EST 1998 | jacqueline coia
Could you please tell what are the current avaliable standards, if any (BSI/IPC) for a measurement value on the mechanical pull strength on SMT IC leads after reflow. Thanks in advance, Jack.
Electronics Forum | Sat Jun 30 11:05:31 EDT 2001 | davef
Sohowcum, yer not just sending the bent-up leaded QFP back to the sorry behinds that sent them to you and telling �em they aint no good!!! Gimme goodins!!! [Er, words to that effect.] For QFP lead reconditioning equipment suppliers, try: * Knight
Electronics Forum | Fri Jun 29 10:18:24 EDT 2001 | Steve Gregory
Hi Ed! A company that I've used in the past and is very good is Six Sigma in San Jose, California. Their web page is at: http://www.sixsigmaservices.com/ -Steve Gregory-
Electronics Forum | Fri Jun 29 10:19:08 EDT 2001 | Steve Gregory
Hi Ed! A company that I've used in the past and is very good is Six Sigma in San Jose, California. Their web page is at: http://www.sixsigmaservices.com/ -Steve Gregory-
Electronics Forum | Sat Aug 21 15:07:34 EDT 2010 | jry74
I have a problem with solder bridging between IC leads, especially fine pitch leads. If we lessen the apature ratio and/or decrease stencil thickness, I have more of a chance for unsoldered or insufficent joints. I am looking for any information th
Electronics Forum | Mon Aug 23 13:59:18 EDT 2010 | swag
Under a scope, make sure the PCB has soldermask between pads.
Electronics Forum | Thu Feb 18 21:20:13 EST 1999 | Ernie Flamont
During inspection and test we find leads which do not get soldered. Some are because of insufficient paste, but with others everything looks right. This will only happen on 1 to 2 pins, and it is not isolated to a specific type of ic or location on
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