Electronics Forum: advised (Page 9 of 95)

Soldering materials provider

Electronics Forum | Thu Mar 02 04:36:43 EST 2000 | ken fong

Could anyone advise the top three soldering materials providers (providing solder bars, solder paste, solder wire and flux) in each of the following regions : USA, Europe, and Japan? Thanks in advance. Regards, KenF

Solder balls on solder side!!

Electronics Forum | Wed Feb 28 10:00:46 EST 2001 | dason_c

Please advise what kind of the solder mask, glossy or matt? Matt finished can reduce the solder ball significant. Check Enthone, Enplate DSR Series. Good Luck!

0402 placement using Quad 4C

Electronics Forum | Wed Mar 07 19:17:17 EST 2001 | mleber

If anyone is placing 0402 components using a Quad 4C I would like to hear any tips or advise. We have a job that is loaded with them.

Boards with damaged goldfingers

Electronics Forum | Tue Mar 27 11:33:45 EST 2001 | sim_ad

I have some boards here that were damaged by solder on the goldfingers. Is there a place I can contact to repaire them? Please advise. Simon

Murata cap wetting issues

Electronics Forum | Tue Apr 17 10:22:16 EDT 2001 | tom g

Has anyone out there had solder joint wetting issues with Murata ceramic chip caps, in particular with Alpha UP78 no-clean paste? We are finding that changing either the paste or the vendor corrects this problem. If so, please advise your solution(

solder balls

Electronics Forum | Thu Jul 05 07:34:57 EDT 2001 | steven

what is the main reasons that casuing solder ball during reflow? and how to remove them? (mostly arround the connector leads or between the 2 0402 chips). solder paste is RMA type. need advise. thanks

What is the std Resistivity for DI water at Aqueous

Electronics Forum | Tue Jul 31 06:33:58 EDT 2001 | nifhail

What is the industry standard specification for Resisitivity monitoring at aqueous cleaning? What would be the diff. between specs. for normal PCBA vs PCB that has to go through wire bonding after SMT for COB process. pls advise..thx

Screen Printing for BGA

Electronics Forum | Wed Jan 26 10:23:33 EST 2000 | John Luckham

Having only just started to deal with BGA packages, I was wondering if anyone could advise me on possible aperture reductions when screen-printing boards for BGA placement

PCB panelization method

Electronics Forum | Sun Nov 14 07:23:46 EST 1999 | KenF

Hi, SMTnetters, Could anyone advise where I can find information describing a method called "push-back" ( I hope this name is correct) of arranging individual PCBs into a panel? Regards, KenF

Dull Solder

Electronics Forum | Thu Nov 11 21:10:41 EST 1999 | Edmund

I experience dull solder at the reflow station runing some SMD LED. It is a reject for dull solder. Is there anything wrong in the setting of the oven temperature? Temerature too high or too low? Pls advise. Thank You Rdgs.....


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