Electronics Forum: rework (Page 75 of 293)

Re: Rework

Electronics Forum | Thu Mar 09 10:13:40 EST 2000 | Erick Russell

Hi Casey, I accept your BOLD Rework challenge. Considering you did not say what the TEST was. Let's base it on speed, thermal uniformity, and process repeatability. I have sample boards that I will take to APEX with Back to Back BGAs. Does anyone wa

CBGA vs PBGA

Electronics Forum | Wed Oct 25 10:33:08 EDT 2000 | Chris

I need to know the advantages or disavantages of a plastic or FR4/Flex based BGA over the ceramic based BGA. We have a BGA package we are going to have produced. Some want to have it made out of ceramic because they feel a ceramic package will be a

To Rework Or Not? Ah That's The ...

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

Re: Rework

Electronics Forum | Thu Mar 09 10:13:40 EST 2000 | Erick Russell

Hi Casey, I accept your BOLD Rework challenge. Considering you did not say what the TEST was. Let's base it on speed, thermal uniformity, and process repeatability. I have sample boards that I will take to APEX with Back to Back BGAs. Does anyone wa

BGA Solder Mask Repair

Electronics Forum | Wed Feb 28 09:53:17 EST 2001 | fkurisu

Hello Dave, Solder mask rework has been performed on both bare and populated boards. There are factors that come into play with a populated board that make this type of rework more difficult, such as the density of components(especially around th

BGA short at same spot after few time rework.

Electronics Forum | Wed Apr 25 09:12:52 EDT 2001 | zam_bri

Hi, Can anyone advise what would be the possible cause of having the same short problem at the same spot even after 3 time rework, with a brandnew BGA. I have rework boards with BGA shorts. The problem is most of the shorts boards, will passed afte

SMT Rework

Electronics Forum | Sat May 19 02:54:20 EDT 2001 | S.FitzPatrick

T.W.I.M.C. I am trying to located a copy, or at least the proper number, for the ISO standards on soldering, rework, and PCB wiring. I am about to start up a SMT solder rework class at work. I recall that when I worked for Solectron

Help about a

Electronics Forum | Tue Jun 05 12:55:54 EDT 2001 | JoAnn

Although I don't know the answer to this I am sure one of these people could help you. They are all members of the SMTA with a great deal of BGA rework experience. Doug and Ed both teach rework classes for us. If you are interested in a BGA rework

Re: What is the typical BGA substrate pad alloy

Electronics Forum | Tue Dec 07 20:07:21 EST 1999 | Dave C.

Thanks for all the info Dave. It's the interconnect between the copper foil pad and the eutectic solder ball that I'm most interested in. The BGA in question is very thin gold plated over nickel over the copper. When we are reworking the BGA, i

Re: Adding a trace to a PB

Electronics Forum | Mon Jun 21 18:33:46 EDT 1999 | Deon Nungaray

We have a need to add a trace to a large quantity of bare PB's. The trace goes from a 25 mil QFP pad to a via. The rework must be done before we process the board. The rework cannot interfere with the solder paste screening process. Does a


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