Electronics Forum: pin and plating and issue and after and soldering (Page 1 of 1)

RNETs and Lead Free

Electronics Forum | Wed May 07 10:15:46 EDT 2008 | llaerum

We are also having some issues with certain small parts. In our case this is tantalum caps and 0402 caps. We had a vendor admit after much discussion that the plating used from a particular orgin was different on the tantalums. The tehory is thatthsi

ICT and specifying PCBA testing

Electronics Forum | Tue Nov 01 14:46:31 EDT 2011 | davef

Agilent TestJet Technology White Paper In the early 1990s, the testing of digital parts became problematical. Previous in-circuit test techniques sought to ensure a correct, functioning part by applying digital patterns, called vectors, to the input

Re: BGA and Gold Boards

Electronics Forum | Fri Jun 19 10:03:46 EDT 1998 | Earl Moon

Has anyone had experience with placing BGA on gold plated boards. I thought I read a while ago there was a problem with embrittlment causing cracked joints. If anyone has experience with this your feedback would be great. Mike Mike, We and ind

Solder mask and fine pitch devices

Electronics Forum | Tue Jan 08 09:23:18 EST 2013 | lock_2002

This is a question regarding soldermask between pins of fine pitch devices. The majority of our production designs end up with at least 2-3 mils of copper thickness on the external layers due to blind vias, wrap plating requirements, etc. Our curre

SMT termination visual and solderability issues.

Electronics Forum | Tue Feb 14 22:48:06 EST 2006 | Cal Kolokoy

That is a tough situation and a tough answer for us SMT forum participants. After all, most of us are in the business of placing and soldering components to circuit boards, and you know the saying; you can't make solder joints with an unsolderable su

Re: Pin Hole/Blow Hole - Causes and cure please

Electronics Forum | Thu Jun 24 10:48:02 EDT 1999 | Earl Moon

Recently, there has been an upsurge in the Pin Hole/Blow Hole problem in our wave soldering process. We are baking the PCBs for 2 Hrs. at 125 degree C. The Wave Soldering profile seems to be O.K. Still the problem is persistent. Can somebody hel

Re: Cleaning under, around, and through tight spaces

Electronics Forum | Wed Jan 06 04:51:16 EST 1999 | Earl Moon

A question for you all! Back in the good old days, we didn't always know how clean was clean. Much has changed. Much hasn't. My question concerns cleaning under, through, and around tight spaces. Way back when, we could not clea

Re: Cleaning under, around, and through tight spaces

Electronics Forum | Tue Oct 12 17:40:01 EDT 1999 | Brian W.

A question for you all! Back in the good old days, we didn't always know how clean was clean. Much has changed. Much hasn't. My question concerns cleaning under, through, and around tight spaces. Way back when, we coul

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