Electronics Forum: electronic (Page 1221 of 7890)

Re: N2 vs. Air Reflow Soldering

Electronics Forum | Thu Dec 21 01:08:28 EST 2000 | Bentzen

Check out my article about reflow soldering in nitrogen atmosphere on www.smtinfocus.com Hopefully you will find some answers and more detailes on my web-site.

0402 placed by CP3

Electronics Forum | Thu Dec 14 20:49:33 EST 2000 | Ian T

does anyone know if a 0402 can be placed by a FUJI CP3, i can pick them but the vision doesn't read it. any help would be appreciated. Ian T

Re: EMPF Emfasis

Electronics Forum | Sat Dec 16 10:12:57 EST 2000 | Dave F

Now, that you have your chompers in place and the coffee cleaned from your screen, aren't you going to tell us about the research reports that EMPF produces that provide the information for those people that write some of the articles in our trade j

Looking for URL that explain about SMT and COB

Electronics Forum | Thu Dec 14 03:04:30 EST 2000 | Anuar Ahmad

Dear all, I wish somebody to help me to find any site that provide white paper about SMT and COB. Any information would be very much appreciated. Thank you.

Re: Looking for URL that explain about SMT and COB

Electronics Forum | Thu Dec 14 18:46:50 EST 2000 | Danny Carr

Check some of the links on EverythingPCB's Technical & How to pages: http://www.everythingpcb.com/p2404.htm

Re: Looking for URL that explain about SMT and COB

Electronics Forum | Thu Dec 14 19:54:23 EST 2000 | Dave F

SMT Magazine has "SMT In 10 Easy Steps or "Back To Basics" or something like that on their site that is a good starting point. If you want the one line definitions SMTnet has a "Terms & Definitions" in the "Library" You could ask us.

Re: Help! Cognex computer on MPM AP24x

Electronics Forum | Wed Dec 13 20:51:43 EST 2000 | Dave F

Sometimes used equipment brokers / refurbishers can help with requests like yours. There's a list in fine SMTnet Archives.

Re: SMT - Cpk for Attribute Data

Electronics Forum | Wed Dec 20 14:52:38 EST 2000 | susan

For attribute data, the process capability is reflected by the process average nonconforming (e.g.p bar). Reference the automotive group's AIAG SPC Manual. Hope this helps, Susan

Re: Reflow Profile Dry Out Stage

Electronics Forum | Wed Dec 13 14:37:06 EST 2000 | Chris

I should explain that this bake out was performed after population. The solder paste slumped terribly after this bake out. However, after the back out and after reflow, no bridging.

PCB laminate dielectric absorption

Electronics Forum | Wed Dec 13 13:42:57 EST 2000 | Mike Ihm

The dielectic absorption characteristic of printed circuit board materials is usually not listed on the manufacturers spec. sheets. Can anyone point me in a direction to help determine which laminate materials might exhibit better dielectric absorpt


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