Electronics Forum: pass (Page 2 of 142)

Stencil Printing: Single pass vs. Double pass

Electronics Forum | Wed Dec 19 18:41:33 EST 2007 | darby

You printer is not solely designed for printing solder paste. This is why some of the options you would never use for paste appear in the menu. You may actually be printing overlays or yes, even t-shirts. This is why you may want to flood/print, prin

E-mail pass word protection?

Electronics Forum | Wed Apr 21 16:38:19 EDT 1999 | Jeff Sanchez

I would like to protect my SMTNet e-mail account from others who use my system. I can't seem to find the pass word feature. Although I do incurage going to the site on my system I don't like the idea that everyone can go through my e-mail.

Re: E-mail pass word protection?

Electronics Forum | Wed Apr 21 18:06:11 EDT 1999 | Cunli

I would like to protect my SMTNet e-mail account from others who use my system. I can't seem to find the pass word feature. Although I do incurage going to the site on my system I don't like the idea that everyone can go through my e-mail. Jeff,

Re: E-mail pass word protection?

Electronics Forum | Wed Apr 21 19:42:12 EDT 1999 | Jeff Sanchez

I would like to protect my SMTNet e-mail account from others who use my system. I can't seem to find the pass word feature. Although I do incurage going to the site on my system I don't like the idea that everyone can go through my e-mail. J

Re: Typical first pass yield in electronics

Electronics Forum | Tue Apr 27 09:31:45 EDT 1999 | Robert L. McCallum

On circuit board assemblies first pass yields need to be above 98%, if a supplier is below this level it is a indication that: he has poor control of the manufacturing process; Poor component selection (price over quality; excepted a poor design from

Typical first pass yield in electronics

Electronics Forum | Tue Apr 27 07:20:34 EDT 1999 | Richard Marks

I'm a mechanical engineer and we buy electronic pressure sensors and switches. In doing quality audits, I need to understand what "best practice" will yield in terms of conforming product first time through the manufacturing process? Any data out t

IC marking unclear after pass reflow

Electronics Forum | Fri Mar 28 01:45:10 EDT 2008 | En-Apple

I have problemabout fault reject rate at AOI very high, due to inspection letter or marking on IC body. It have uncleary. When I check at raw mat'l of IC it no problem but after pass reflow process it show marking not clear ( Laser marking type). Ple

Help me increase my first pass yields

Electronics Forum | Thu Jun 04 11:23:44 EDT 1998 | Frank S

If you could measure and chart 3 variables in my process, what would they be? The boards that I produce are on panels that are 12up and 2x4 up. All boards are single sided paper base w/o plated thru holes. They are on scored panels that measure 7"

IC marking unclear after pass reflow

Electronics Forum | Mon Mar 31 09:16:41 EDT 2008 | davef

What is changing the marking on the part? * Is flux residue coating the part to change the the way light reflects from the part surface? [Run a board with tape on the part, then remove the tape prior to AOI] * Is the heat of the oven changing the mar

IC marking unclear after pass reflow

Electronics Forum | Tue Apr 01 12:12:43 EDT 2008 | jdengler

On our machine we have found that some IC's require a different light for inspection based on the manufacturer. Have you tried other lighting options? You may need to talk to the AOI manufacturer to see if there is something the machine may be able


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