Electronics Forum: rework (Page 254 of 293)

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: BGA repair/rework

Electronics Forum | Mon Mar 08 18:21:42 EST 1999 | Earl Moon

> Alignment issues are not so critical on most any system, but thermal >>(top and bottom heater settings) certainly are. Without a serious >>system, I just don't see how it can be done. Thanks again Earl for your valuable communications..

Re: Pace TF700 Rework Machine...is it okay?

Electronics Forum | Fri Feb 05 08:34:51 EST 1999 | Nancy Vandemark

Love the picture. We are considering the PRC 1500. It combines a thermoflo unit with a MBT 250A which we currently use. Does anyone know the difference between the TF200 and the TF700? This is the first I have seen the TF700 mentioned. Also, what

Re: PCB Rework, Reflow Quiz

Electronics Forum | Sat Jan 16 09:03:28 EST 1999 | Earl Moon

For the engineers who enjoyed the last two quizs I put on my web page here are two more. One on printed board manufacture and one on rework and repair of surface mount boards. Its a bit of fun but I feel that on line training is coming and is

Re: PCB Rework, Reflow Quiz

Electronics Forum | Sat Jan 16 13:30:20 EST 1999 | marc p

For the engineers who enjoyed the last two quizs I put on my web page here are two more. One on printed board manufacture and one on rework and repair of surface mount boards. Its a bit of fun but I feel that on line training is coming and

Re: here's one for you board stuffers!!!

Electronics Forum | Sat Jan 09 12:31:42 EST 1999 | Steve Joy

Any idea what the "industry standard" is for fall out on assembled PCB's? I realize that the controls put in place in your processes will effect your overall quality. But I'm trying for a general answer. On pre-tested assemblies, should you exp

Re: DPM-Rate for SMT pprocess

Electronics Forum | Tue Oct 06 15:41:14 EDT 1998 | Mike C

Does sombbody know what DPM rate a good and reliable SMT assembly line (incl. solder paste print, assembly and feflow soldering) has? DPM is Defects per million, usually measured on components. We run a process consisting of small to medium b

Re: BGA Pad Dressing After Removal Method

Electronics Forum | Thu Jun 04 12:05:43 EDT 1998 | Anthony

Dear Dave, I have a "possible" solution to your problem, though I have never tried it myself. If you're trying to come up with a non-abrasive technique for removing solder-keep reading. If it's a faster method you desire, do yourself a favor and hi

Sorry for offending a few of you

Electronics Forum | Mon Apr 20 21:53:53 EDT 1998 | Martin Plourde

About 1 1/2 month ago, I discovered this SMT forum and I am quite pleased about it since I've learned quite a bit through it all. Unfortunately, there are a few people who seem to have everything they need "equipmentwise". Well, I am glad for you. I

Touch-up and inspection of visual defects

Electronics Forum | Mon Apr 25 11:24:31 EDT 2005 | Daan Terstegge

I have a question about inspection, touch-up, and how far you need to go to get a product that meets the required IPC-spec. According to some reports (i.e. "New Study Reveals Component Defect Levels" by Stig Oresjo of Agilent) the average defect leve


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