Electronics Forum: boarded (Page 766 of 1638)

Re: BGA repair/rework

Electronics Forum | Sat Mar 06 20:46:21 EST 1999 | Dean

| | | | | | I'm having a fun time between BGA rework/repair using an SRT 1000 and SPC efforts (much easier) using DEK stencil printing processes and BTU reflow with 6 Fuji lines in between. | | | | | | Concerning the BGA stuff, I'm getting about 60

Re: HASL - again?

Electronics Forum | Fri Jun 18 14:28:14 EDT 1999 | Scott Cook

| | Now don't everyone jump on this at once, but it seems time for me to send out copies of my not even close to being dated copy of an article about HASL. Though it was published in 1992, in Printed Circuit Fabrication Magazine, and it got rave revi

Re: wave solder process

Electronics Forum | Thu Jun 17 20:35:51 EDT 1999 | Earl Moon

| | | Does anyone know where I can find a list of things to do to when troubleshooting issues during the wave solder process? | | | | | | for example: | | | | | | Solder Bridge | | | 1.verify amount of flux been aplied. | | | 2.verify turbulance on

Re: VOC Free Flux

Electronics Forum | Fri May 14 14:52:56 EDT 1999 | Ryan Jennens

| | | | I am looking for anyone who has converted over to VOC Free flux. I need some info on any problems, etc. that you might have had. | | | | | | | | Please E-mail me at wes.ruggles@vickers-systems.com or call at (513) 494-5229 | | | | | | | | T

Re: white residue

Electronics Forum | Wed Feb 10 12:52:21 EST 1999 | Dick Casagrande

|I'm getting in a little late on this but my 2 cents is: We have been using no-clean flux for a few years now but up till last month were still cleaning (the white residue) our boards (all thru hole). Finally did some investigation and found the flux

Re: Peelable solder stop

Electronics Forum | Tue Dec 29 17:42:27 EST 1998 | Dave F

| Can anyone recommend a solder stop that can be applied by our PCB supplier. Our current material form Tamura Kaken is causing problems. | | The material should be capable of withstanding 1 Surface mount IR reflow cycle and 1 wave solder cycle. | W

Re: Washing boards with paste...?

Electronics Forum | Tue Sep 15 12:11:36 EDT 1998 | Bill Schreiber

Jeff, The use of flux thinner would only add another chemical to the process. Environmentally, that would not be a good idea. My guess is that you would only end up with "thinner jelly" anyway. Alcohol works well on RMA flux. When assemblers switch f

BCC Technology --- Placement, Rework, Reflow

Electronics Forum | Mon Mar 25 21:50:10 EST 2002 | davef

Some of this was copped from Fred. There are numerous package types that now fall under the rubric of land grid array [LGA]. Land grid devices [ie, Bumped Chip Carrier� [BCC], LGA, Quad Flat-pack No-lead [QFN], MicroLeadFrame�, etc] are essentially

seeking better process

Electronics Forum | Fri Mar 16 16:58:52 EST 2001 | davef

A most evocative title to the tread, Ed. Few companies in Joysee named "C-Tech", eh? I assume we�re talking "C TECH is a distributor of low vision aids and adaptive technology for the blind, visually impaired and learning disabled." [http://www.lowv

Gold coated spring contacts

Electronics Forum | Wed May 30 17:49:49 EDT 2001 | davef

You are correct. IPC wants you to pay for that standard, regardless if you get a hard copy or download it. Generally, it�s pretty boring stuff for production types. [Although, you will recognize some of the goofy things your designers have done to


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