Electronics Forum: ionic (Page 35 of 42)

Electromigration Testing

Electronics Forum | Mon Jun 28 10:03:22 EDT 2004 | davef

First, welcome to your new job. Second, IPC-TM-650 2.6.14 is only loosely an �Ionic Contamination (Electromigration) Test�. * Electromigration Test, IPC TM 650 2.6.14, 2.6.14.1 * Ion Chromatography for Ionic Cleanliness, IPC TM 650 2.3.28 Third, I

Re: Solderability of BGA and PCB

Electronics Forum | Mon Nov 27 19:32:02 EST 2000 | Michael Parker

Prof. Whoopee - amazing facts that you find on your 3-D BB, it has completely confounded my comrade, Chumley. Plainly spoken that around the SF Bay Area a.k.a. Silicon Valley(ever hear of the famous SF Fog?)during the winter months, near the coast a

Re: Question on ESD Smocks

Electronics Forum | Tue May 16 20:59:46 EDT 2000 | Dave F

Ashok: Haven't unloaded that ESD Coordinator job yet have you? Smocks: Don't work, they're hot, and no one likes them, but they put up with them (sort of). Now if they knew they didn't work, all the customer PR in the world wouldn't help. The bi

Re: Anti-solder finishing

Electronics Forum | Mon Feb 07 13:26:14 EST 2000 | Dave F

Spacerwoman: Carol is a professional spacer problem fighter (we think). When people have problems with spacers, they call on SPACERWOMAN!!!!! Here she is to save the day � ;-) Selecting a spacer made of brass is a good choice for many applicatio

Wave soldering vertical mini-dins

Electronics Forum | Mon Nov 08 09:45:29 EST 1999 | John Burris

Having a big problem waving these puppies, hope someone can help. I've got an 8 pin mini-din connector (like a PS/2 connector with two more pins) that has two mounting pins on each side. During wave, at least half the lot has shorts from the ground p

Re: DE-IONIZED WATER SUPPLIERS

Electronics Forum | Sat Sep 11 03:44:40 EDT 1999 | Brian

1 MOHM, 18 MOHM)? | | | | What state are you located? | | | | What type of volume will you use (1 drum per week, month, year)? | | | | Mike | | (800) 218-8128 | | | | We are located in Illinois (Southwest Suburb of Chicago). Our usage will prob

Re: Cleanliness Testing/Conformal Coating

Electronics Forum | Mon May 10 15:17:37 EDT 1999 | C.K.

| If I clean my assembly and find no visable contamination with the unaided eye, do I need to do cleanliness testing prior to conformal coating? | More than likely, you're okay if you can't see any contamination with the unaided eye. However, the

Re: Cleanliness Testing/Conformal Coating

Electronics Forum | Tue May 11 07:50:52 EDT 1999 | Graham Naisbitt

| If I clean my assembly and find no visable contamination with the unaided eye, do I need to do cleanliness testing prior to conformal coating? | Douglas, It is highly advisable to test for ionic contaminants because a coating seals in as well as

Need help with no-clean specs

Electronics Forum | Wed Sep 30 13:42:56 EDT 1998 | Chrys

Hello, I've been evaluating a bunch of wave solder fluxes and found one that is absolutely perfect. I'm so excited I can't wait to switch over. Unfortunately, I have to assure reliability, and the only test I have in-house is ionic contamination

Re: Clean raw bds

Electronics Forum | Mon Aug 17 03:05:59 EDT 1998 | Bob Willis

| | Where can I find a spec to put on my fab drawing, to call out the cleanliness of the board, before I recieve it. These boards will require a tight spec after they are assembled, so I want to know that they are clean when I get them. Any suggestio


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