Electronics Forum: import (Page 10 of 166)

Question on Nitrogen Consumption during Reflow

Electronics Forum | Mon Jul 02 20:11:28 EDT 2001 | davef

It's possible that N2 vogued at the dawn of the NC age. Once practitioners jiggered their profiles and more importantly, paste suppliers developed a decent product; the demand for inerts declined. Day-off sound like a fair trade.

Re: Screen Printing of Surface Mount Adhesives

Electronics Forum | Wed Jan 05 08:36:44 EST 2000 | Doug Philbrick

MPM has a section on thier web page that is a glue printing tutorial. Visosity is the key ( aperature is very important also of course). Too runny of a glue won't work well, just lke paste.

Re: Solder Balling Beading Effect

Electronics Forum | Fri Dec 17 10:05:59 EST 1999 | Victor Salazar

You might want to check your paste application. We eliminated this problem with reduced aperatures, and homeplate designs on our stencil. The paste process is very important in eliminating solder balls. See Solder aperature guidlines in the forum.

Re: 0201 components

Electronics Forum | Thu Feb 24 20:47:27 EST 2000 | Todd Woods

The camera is important. I found the only machine, granted this was a year ago, capable enough for volume production, was the KME CM-88. Our test had 1 mispicked device of 5,000,000 attemps and 0 misplacements.

Re: Process Control (Stencil Printer)

Electronics Forum | Tue Jan 12 14:59:14 EST 1999 | Earl Moon

| What would be a good metric for process control of a stencil printer? (fully automatic, vision equipped, stendil printer). | I'm doing some more DEK 265 GSX's with everything imaginable hung on them. Have done Lt's and the MPM2000. This makes mach

Static Concerns

Electronics Forum | Mon Jan 11 10:29:07 EST 1999 | Tom OConnor

I know that static concerns are very important in your work. Are static concerns eliminated by the antic-static devices you wear or which are in your environment, or do the hand tools you use, such as picks, tweezers and brushes, need to be anti-stat

Re: Cleaning under, around, and through tight spaces

Electronics Forum | Wed Jan 06 07:36:17 EST 1999 | Wayne Bracy

Hi Steve: Nice response, and most importantly, glad to see you back around. wayne

Operation userinterface of the machine

Electronics Forum | Tue Nov 10 09:00:08 EST 1998 | Yoshi

Some placement machines has WindowsNT userinterface,and some has another type of userinterface. Although I think the WindowsNT is better for engineers, it seems not so friendly for some machine operator. How much is the WindowsNT important to chose t

Want to know the websites of used SMT & AI trading companies.

Electronics Forum | Wed Oct 07 11:36:23 EDT 1998 | Larry Guo

We want to know the websites , email addresses of used SMT and Auto-insert machines trading companies. We want to import some products above into China. Please tell us . Regards Larry Guo Shenzhen China

Voids and BGA

Electronics Forum | Sun Mar 01 14:51:55 EST 1998 | Vincenzo Longobardo

From several months I am investigation about the VOIDS PERSENCE and his important as reliability. One question now is : It is possible that on the BGA components the voids are already present into the balls, before the mounting on the pcb ? If you ha


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