Electronics Forum: electron (Page 1248 of 7899)

Re: Gold contamination in solder joints?

Electronics Forum | Tue Sep 26 20:04:31 EDT 2000 | Dave F

Wolfgang: I think that we were answering different questions. * I thought Bill wanted to talk about minimizing the amount of gold in the solder connection that is available to make intermetallics * You were talking about the formation of intermeta

Cooling racks

Electronics Forum | Thu Sep 21 15:33:52 EDT 2000 | Gilbert Ramirez

We currently use process carriers to run our products. We do not have chillers at the end of the reflow ovens (no space) so you can imagine how hot the carriers come through. Are there any cooling racks out on the market that I can look into to pla

Re: Cooling racks

Electronics Forum | Fri Sep 22 06:59:45 EDT 2000 | jackofalltrades

For several years now we have been using a short (4 feet) conveyor with brush wheels and a simple box fan mounted under it (blowing up) to cool the product.

Re: RF surface mount assembly

Electronics Forum | Thu Sep 21 12:10:16 EDT 2000 | Boca

On the money as usual! (Your subtle approach is something to behold. Much like my approach, which has gotten me into more grief over the years than I should be allowed to have.) Boca

Re: Capability Study for Solder Printing Process

Electronics Forum | Thu Sep 21 20:16:40 EDT 2000 | Dave F

Geesh, what a bunch of babies!!! I've got two alternatives for ya: 1 SMTA sells the SMI proceedings 2 Authors / authors' companies often provide copies of papers to interested folk

How to evaluate or ciertify 0402 parts

Electronics Forum | Mon Sep 18 14:53:24 EDT 2000 | Ricardo Fuentes

Hi, could someone tell me how may I certify or evaluate 0402 parts on SMT process, waht are the main points I have to check. Thanks

Minimum gap between 0402 parts

Electronics Forum | Mon Sep 18 11:55:35 EDT 2000 | Ricardo Fuentes

Hi! cold someone advise me about the minimum gap allowable in between 0404 parts. The minimum distance is because of the behavior on reflow, the re-work difficulty or anything else. Thanks

Re: Minimum gap between 0402 parts

Electronics Forum | Mon Sep 18 20:51:35 EDT 2000 | Dave F

A fairly dense brickwall would have 0.020" (0.05mm) spacing

BGA reliability in Aerospace applications

Electronics Forum | Mon Sep 18 08:40:03 EDT 2000 | Jenny Wilton

Does anyone know where I could obtain a copy of a report on BGAs in space which was done by the Jet Propulsion Laboratory in the USA? I am interested in any other info anyone may have on this subject. Many thanks Jenny

solution for gold cleaning

Electronics Forum | Sun Sep 17 22:50:20 EDT 2000 | Sartor

I am looking for a solution for gold finger cleaning and repairing.Can anyone recommend good solution(s)?Also,can anyone recommend a good flux paste source(s)?Thanks.


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