Electronics Forum: worked (Page 376 of 1073)

Update (No Tech Content)

Electronics Forum | Thu Apr 17 07:31:48 EDT 2003 | caldon

Hello All- Sorry this is not a technical issue, but I wanted to thank the SMTnet forum and those who expresessed concern during my job search. I am working!!! I will be responsible for generating business for CTDI (www.CTDI.com)a large private Eng

enviroment for best working

Electronics Forum | Wed Apr 23 11:50:42 EDT 2003 | joseluis_amper

Anyone could help me about what it's the best enviroment conditions (humidyti, temperature, antistatics...)for a new emplacement in a new factory? Now, we are moving to a new place, like a very big factory, and I try to adapter the best enviroment co

CBGA ON BOTTOM SIDE

Electronics Forum | Fri May 02 12:54:55 EDT 2003 | Chris Lampron

Hi LWEI, This is not a permanent fix for the problem. We have had similar experiences with double sided boards. As a fix, we have applied water soluble solder mask to the edges of the component. This holds the component adequately for second side pr

Silly Attrition Levels

Electronics Forum | Thu Nov 06 16:26:38 EST 2003 | Rocky

I would just like to add that here at 3M we have worked with various equipment manufacturers in resolving issues of psa cover tape delamination due to higher tension feeders or adhesive build-up in collection bin type feeders. If anyone is interested

Blocking stencil apertures (on purpose)

Electronics Forum | Thu May 01 09:02:55 EDT 2003 | ehess

we have used board mask that we let dry. It's tricky to get it flat with no spikes, but after a few tries you'll get it. I like the guys recommendation to try paste and let it dry. we have that problem when the operators do not clean the stencil p

Blocking stencil apertures (on purpose)

Electronics Forum | Thu May 01 15:08:52 EDT 2003 | k_h

If Kapton tape doesn't work, I would recommend eating a few hundred bucks and ordering a new stencil. I think your asking for more trouble trying to plug the apertures with dried paste, glue, or anything else. It will dislodge sooner or later and pro

Flux residue?

Electronics Forum | Wed Apr 30 19:55:21 EDT 2003 | Mike Konrad

In all likelihood, you may not be leaving flux on the board rather you may be leaving saponifier on the board. Improper rinsing is a leading cause of cleaning related board failures. The problem with some inline cleaning systems (especially old o

Standard kit in LVHM environment

Electronics Forum | Fri May 09 16:48:59 EDT 2003 | Ozzy

KH This won't work if your planning on running these 2 machines together in line. The fast machine will always be waiting on the slow machine. How many Philips FCM's have you seen in line with Mydata? Don't think to hard; the answer is zero. Wh

I am looking for eprom and Op amp that works at 20MHz

Electronics Forum | Tue May 27 04:31:59 EDT 2003 | davef

Try: * Operational amplifier: http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=operational+amplifier+20mhz&spell=1 * EPROM: http://www.google.com/search?sourceid=navclient&ie=UTF-8&oe=UTF-8&q=eprom+20mhz

Thin Chip resistors and HSP 4797 T12W8P

Electronics Forum | Wed May 21 14:47:49 EDT 2003 | radney

On the new 4797 T12W8P feeders we are having trouble picking the very thin chip resistors. Adding foam to the feeder (beneath the pick point) helps, but it only minimizes our frustration. Universal has a reel of these parts and they are looking into


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