Electronics Forum: rework (Page 256 of 293)

Circuit cam and mydata

Electronics Forum | Fri Mar 27 12:46:23 EDT 2020 | unisoft

Unisoft has been import gerber only for years to setup assembly, aoi machines, etc. *** Help for Importing GERBER only files for used in programming Assembly, AOI, Test, Selective Soldering machines (X/Y Center, Rot, Part#). Also allows you to cre

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

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

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: 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: Via's in BGA pads

Electronics Forum | Wed Apr 21 14:38:38 EDT 1999 | Justin Medernach

Does anyone have any experience with soldering 50mil pitch BGA's that have a via in the pad, the size is .012 The via will be masked off on the bottom side of the board. Need to know what precautions or problems if any I might encounter. The proces

Re: Shorts on BGA

Electronics Forum | Fri Mar 19 08:51:57 EST 1999 | Justin Medernach

After rmoving a BGA (plastic)to correct unexplained shorts I installed another BGA using flux only. Checking on an X Ray machine and found two shorts. can anyone give a good explenation ? Thanks

Re: BGA's - Re-ball -- How thick?

Electronics Forum | Tue May 18 15:36:18 EDT 1999 | Tony

What is the best way to re-ball a BGA? Who has the best system for doing it? I'm using our SRT rework stuff to reball in house - when necessary. Of course, we only do this for protos and test boards. We use a standard micro-stencil,

Re: SMD Inspection and Touch-up

Electronics Forum | Fri Jul 23 13:49:29 EDT 1999 | Bob Neverosky

There is a practise within the industry of an Inspector inspecting a board, and that same Inspector performing touch-up. My opinion is that the Inspection and Touch-up operations should be separate functions whereby the Inspector is not performin

Re: Serious stuff

Electronics Forum | Wed Aug 18 16:38:41 EDT 1999 | ScottM

OK folks, let's get real serious. Well, I shot off my big mouth yesterday during a scheduling meeting concerning DFM and rework. Again, what an irony, oxymoron, or that other thing. Anyway, I said it would take another


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