Electronics Forum: rework and hot and plates (Page 1 of 2)

BGA rework and inspection

Electronics Forum | Thu May 30 10:31:03 EDT 2002 | robbied

Hi Yannick. This is an issue that we are just recently getting into but here is some ifo that I have gathered so far. I have seen/ used 2 different rework machines. The one we have bought is a 'PACE TF2000' which was at the lower cost end of the mar

Heat guns and component damage

Electronics Forum | Tue Jan 31 15:15:13 EST 2006 | russ

Heat guns used improperly will definitely damage components. You must have a controlled heat gun that can be set to the max temp you want pb =215C max, Pbfree maybe 240C max. This heat gun must not be able to be adjusted or you must have total trus

BGA: reworking BGAs, testing and inspection

Electronics Forum | Thu Feb 11 15:07:49 EST 2010 | hegemon

With regards to the rework, size and mass of the PCBs is important, in addition to the size of the components that are to be reworked. You might be in the game with $6K (APE Chipmaster Hot Air machine with Preheater or similar setup) if you have sma

Weak joint strength and black residue

Electronics Forum | Fri Jun 08 18:27:03 EDT 2007 | jmelson

This is probably an inner plated layer of the component that did not bond well. It may be a component that either has the wrong surface finish for lead-free or can't handle the temperatures. Many times I have seen a similar-looking layer when the l

SMT termination visual and solderability issues.

Electronics Forum | Tue Feb 14 13:16:49 EST 2006 | Carol Stirling

CRITICAL DILEMA! Has anyone run into the problem described below and if so, what was the fix (besides not dealing with this Supplier)? Also, we do not have component manufacturing process experience. We are purchasing a surge resistor that function

Processing questions - PCB and BGA's

Electronics Forum | Fri Jan 30 10:29:48 EST 2009 | petep

We have a potential new customer who has special PCB requirements. I do not know a lot of details at this point, but have several questions. One of their assemblies has within it , a MID, Solid foil layer, completely isolating one side of the PCB f

Re: Fountain Wave Soldering and Repair/Rework Equipment

Electronics Forum | Thu Jan 21 20:22:02 EST 1999 | Earl Moon

| | Hello, | | | | I will be evaluating and qualifying two equipment types. The first is a fountain soldering device. I need practical advice on all the stuff you guys and gals know about as good, bad, ugly, best applications, setup, limitations, an

Re: Fountain Wave Soldering and Repair/Rework Equipment

Electronics Forum | Fri Jan 22 15:48:14 EST 1999 | Chrys

| Hello, | | I will be evaluating and qualifying two equipment types. The first is a fountain soldering device. I need practical advice on all the stuff you guys and gals know about as good, bad, ugly, best applications, setup, limitations, and all

Re: Discoloring of Soldermask and silkscreen

Electronics Forum | Wed Apr 21 00:35:31 EDT 1999 | Scott Cook

| Netters, | | When I reflow a PCB there is a discoloration of silkscreen and mask. It appears if Profile is too hot! But I dont think so, maybe I'm wrong? | | 1. Kester 293 no clean | 2. 2.1 C/s for 30s to 150 C | 3. .5 - .7 C/s for 60s to 185

Re: Paladium Pillows and Bad Dreams

Electronics Forum | Wed Feb 25 01:24:34 EST 1998 | Steve Gregory

Dave, I confess I was a tad too general and a bit too extreme describing the way ALL solder joints look on palladium coated leads. I should been more specific about the "pillow-effect". I've seen it regularly with palladium coated leads on small SOT

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