Electronics Forum: viewing (Page 3816 of 7890)

Vacuum packaging

Electronics Forum | Fri May 19 08:05:23 EDT 2000 | David

We do a lot of prototype work, builds occur days or months apart and moisture Absorption in IC's is a worry. I would like to bake, chuck in some silica gel and then seal or vac seal in an envelope. Does anyone have any experience of vacuum sealing wa

Re: Failed E-Mail Entry

Electronics Forum | Thu May 18 16:10:48 EDT 2000 | Neil Peaslee

The line error you are seeing is due to javascript. What browser/version are you using? (in particular is it greater than 4.0) you might also try the non-java version of web-email to sidestep the problem. If you have any more problems email me direc

Re: Failed E-Mail Entry

Electronics Forum | Fri May 19 08:51:05 EDT 2000 | NAMCo

Gee today the email works both in Java and non-Java versions(amazing since I posted a message yesterday about a problem)! In response to your question about which browser I use - it's MSIE 5.01 build 5.00.2919.6307 Any comments?

Re: Failed E-Mail Entry

Electronics Forum | Fri May 19 11:10:57 EDT 2000 | Neil Peaslee

We have been having some problems with our internal mail and that must have been propagating to the web email. I managed to get that squared away last night so hopefully you don't have any more trouble with it. Thanks for keeping me on my toes. Nei

Re: unsoldered smt board assy shipping

Electronics Forum | Fri May 19 14:33:30 EDT 2000 | Lawrence A. Groves

I did this at one point and found that the handleing is critical. What usually happened is that two of the PCBs would touch and the edge of one would scrape the parts off the other. I tried a couple of different epoxys and ended up with a CIBA prod

Re: Operating a SMT system

Electronics Forum | Wed May 17 21:13:00 EDT 2000 | Dave F

Earl: Two things: 1 You know that I read your articles, because I asked you questions about them and e-mailed you a drawing of a layer stack. 2 You certainly rose to JAXs bait. I believe he may have set the container on the table, while removing

Re: Operating a SMT system

Electronics Forum | Thu May 18 08:35:59 EDT 2000 | Nancy V

Hmmm, I don't think JAX knows Earl very well. He did not need to bait Earl. I don't think he could have resisted that the name was Janet. I am sure he "sensed" that a woman had shown up on the forum :) (Sorry, couldn't resist, Earl) Nancy

Re: Misplaced QFP240 component

Electronics Forum | Wed May 17 03:56:20 EDT 2000 | Wolfgang Busko

Avichai: What kind of PCB are you using, when do you detect that shift (right after placement, before reflow, after reflow), does the shift always appear to be the same or do you see a variation, are you able to identify the process-step where it hap

Re: Misplaced QFP240 component

Electronics Forum | Wed May 17 12:22:54 EDT 2000 | JAX

Ramot, Without further explanation everyone here is just taking stabs at it..... Sounds normal, I'm game! Have you looked at board finish(HASL?)?? Measured paste height?? Are they always off in the same direction? If not, Handling?? What are the sp

Re: Dusted By Dross

Electronics Forum | Wed May 17 10:11:12 EDT 2000 | Boca

Sounds 'on the money'. By gear up, I assume you use respirators. Wipe up any dust deposited on surfaces and dispose of the wipes as lead waste. Keep the cover firmly on the dross can when not in use. You've got it covered (pardon the pun). Do yo


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