Electronics Forum | Fri Feb 22 16:32:56 EST 2013 | davef
Jorge: I took this total posting to several fabs at IPC APEX. None was satisfied with the answers you receive from your supplier or the Forum members. They suggested that you get your board analyzed. They were surprised that your supplier didn't in
Electronics Forum | Fri Jan 16 10:05:37 EST 2015 | rgduval
Is anyone successfully and repeatably placing 0402 or 0201 components with an older GSM? We're looking at the possibility of quoting a new job with 0201's, and I need to assess the capabilities of the machine before I commit to the job. I've never
Electronics Forum | Mon Jun 05 18:45:07 EDT 2017 | zsoden
Hi Steve, I agree with your assessment, it would certainly seem like the pads are de-wetting. But what could be the cause of this? Contaminated solder? The boards are new out of vacuum sealed bags (with desiccant sachets), so I can't see it being the
Electronics Forum | Thu Dec 12 17:48:21 EST 2019 | davef
You proved that the standard solderability test of components may be effective for assessing aged components. Curious Minds Can you get the authorization to use a more aggressive flux? Will that flux solve the problem? What's it going to cost to qu
Electronics Forum | Tue Feb 09 19:04:08 EST 2021 | jzeivel
Thank you for your reply! I will see how it goes without the carrier pallets. I was worried about them drooping too far in the center (at the center V-Score) and falling off of the conveyor in the reflow oven. I am putting boarders on all sides of
Electronics Forum | Tue Dec 29 17:21:46 EST 1998 | Dave F
| I am looking for a questionaire/list of items that need to be addressed to determine the pros/cons and equipment, manpower, cost and lead time to determine if one should consider setting up an in-house SMT line. | Can anyone help? | thanks | | J
Electronics Forum | Mon Jul 17 20:30:39 EDT 2000 | Dave F
We are trying to improve the decision process for our Material Review Board (MRB. We have a fairly standard defect identification and MRB process. We are pretty comfortable with our ability to: � Identify problems components and assemblies. � Segre
Electronics Forum | Thu Jun 01 21:54:00 EDT 2000 | Dave F
Jeremy: Standards: � A-600 talks about percentage of solder mask loss allowed, according to the location (eg, laminate, bare copper, gold or nickel, melting metals) and equipment class. � A-610 talks to "Solder Resist Coating - Voids & Blisters" by
Electronics Forum | Thu Jul 20 12:18:02 EDT 2000 | Dave F
Bob: We are trying to improve the decision making process used by our Material Review Board (MRB). We have a fairly standard defect identification and MRB process. In this we: * Identify problems in components and assemblies. * Segregate problems
Electronics Forum | Mon Jun 18 18:37:53 EDT 2001 | davef
OK. We have a new board with a BGA on it. When have a nice new Glenbrook xray inspection machine. Our troops are trained. Specifically, what are the steps we should use to qualify our BGA soldering process and how should be best use our new Glenb
