Electronics Forum: about (Page 791 of 1194)

Re: BGA open pin

Electronics Forum | Sun Feb 13 01:35:55 EST 2000 | Dean

Without further information my first guess would be lack of flux to "cut through" the ENTEK layer. Question: In X-ray is the suspect ball of equal diameter when compared to adjacent balls? If no then the volume of solder is different which would po

Re: Screen printer, MPM or DEK

Electronics Forum | Mon Feb 14 15:14:54 EST 2000 | dean

Dek 248 / 249 (mfg'95) MPM 2000 Realignment? Are you having to insert print offsets (X.Y, theta)? If yes, your vision cubes are out of alignment. This typically happens if a "crash" occures. A "C" tool can correct this. Or are we talking abou

Re: Poor solderability

Electronics Forum | Wed Feb 09 22:08:45 EST 2000 | Dave F

Russ: You've got stop soft-peddling this stuff. This doesn't sound like "poor solderability." It sounds like "no solderability." It also sounds like you�re dead meat. Three places to call: 1 Board supplier to get their suggestions on unsolderab

Re: SMT Programming - Parts Database set-up for contract manufacturer

Electronics Forum | Sat Feb 12 15:54:11 EST 2000 | Francois Racine

> customer number and package number =>> EX:1206T.5 The part number is used for two reason. (1) Your operator know exactly what component is in this feeder and the value of that component. (2) On my two PNP machines, I can use an IPC module which

bad connections, or not?

Electronics Forum | Fri Jan 12 16:35:00 EST 2001 | Steve Thomas

I've got a question: Can a joint look good externally, even under 45X magnification, and not be mechanically and/or electrically sound? I thought that if the wetting angles were sufficient, there's no discoloration from extreme thermal distress, or

Re: Solder Paste Height

Electronics Forum | Sat Jan 06 21:56:54 EST 2001 | Greenman

While solder paste height is one possible process indicator, the other guys are right on the money - volume is key. One way to study overall paste volume is to measure every single pad, using a 3D laser analysis (see you next week for board 2)... OR

Re: SOLDER ON GOLD

Electronics Forum | Thu Dec 28 20:56:08 EST 2000 | Dave F

This is not a real demanding job. We've talked about materials sources before, check the fine SMTnet Archives. Responding to your question, try: Circuit Repair Rowley,MA 508-948-7973 [Jeff Ferry is a contributor to SMTnet, so ya gotta go there fir

Re: Electrovert Fingers

Electronics Forum | Fri Dec 22 10:29:49 EST 2000 | CAL

I searched the internet to find out more on your plastic fingers and came up with a little info. http://thinkingproductivity.com is the only link I could find for "plastic Fingers" Here is the clip from there site:"We represent Jafco's full line of

gerber converter question

Electronics Forum | Mon Mar 25 04:28:21 EST 2002 | wbu

Hi Alex, rotation is always the problem and that goes with all conversion-SW. Unless you have strict rules for your CAD regarding the rotation it will always be a mess and you have to look at nearly each part individually. Once you have an agreemen

Re: gerber converter question

Electronics Forum | Wed Mar 27 19:56:49 EST 2002 | bmiklosey

I am not sure why there is an attack on the CircuitCAM product from 'M Cox', especially when he appears to be mis-formed about the operations within its well developed Gerber environment. CircuitCAM does automate the reference designator identifier


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