Electronics Forum | Wed Feb 10 12:52:21 EST 1999 | Dick Casagrande
|I'm getting in a little late on this but my 2 cents is: We have been using no-clean flux for a few years now but up till last month were still cleaning (the white residue) our boards (all thru hole). Finally did some investigation and found the flux
Electronics Forum | Wed Oct 06 11:40:41 EDT 1999 | Debbie Alavezos
| | Hi, | | | | Help! Could anyone help to enlighten me on this? | | | | Question: | | | | If I have a CSP/BGA package of size X by Y and the standoff gap between the component and PCB is Z, What is the maximum allowable Y/Z or X/Z that using a n
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
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
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
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
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
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
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
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
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