Electronics Forum | Wed Feb 21 11:25:04 EST 2001 | Dave E
We have had a problem with some resistors on some conformally-coated boards which, after a few months in the field, started going bad -- a real worst-case situation. The resistors would increase in value dramatically and sometimes develop diode-like
Electronics Forum | Tue Feb 27 18:13:03 EST 2001 | davef
First used a Binks for painting a '57 Chebby that Wesley B and I were rebuilding. We still use them for spraying conformal coatings. If Chrys was here, she�d freak. Look at: http://www.smtnet.com/library/index.cfm?fuseaction=view_article&article_i
Electronics Forum | Wed May 02 16:20:01 EDT 2001 | mparker
As a second thought, just to address your problem, try contacting a local fabrication shop for restaurant supply. They are used to working with stainless steel. I once had a complete sink/workstation top fabricated to my specs. for a fraction of the
Electronics Forum | Wed May 02 22:33:44 EDT 2001 | davef
Silvio Dante (played by former E Street Band Guitarist Steve Van Zandt, in his acting debut) has even turned an extremely passing resemblance to Al Pacino [Godfather, Part III] into a personality; he�s forever curling down the corners of his mouth an
Electronics Forum | Wed May 02 22:36:50 EDT 2001 | davef
I hear ya and yer probably correct, but the drives on the pup are whipped and I wasn't aimin to spend much time with it, yano. Just order some parts, slap 'em in, and get bustin'. But that just may not be what Ima gunna do, whether I like it or not
Electronics Forum | Tue Aug 22 09:30:31 EDT 2000 | Kelvin Chow
Mr. Lee, Although most of the lead free alloy used for solder paste and wave soldering have been identified, a suitable alloy used for leaded Ic packages (like QFP, PLCC..etc) have not been identified yet. Do you have any suggestion on this lead-f
Electronics Forum | Mon May 14 18:31:20 EDT 2001 | genny
The experiment was to determine insertions from a > gold plated board into a connector. Same > thickness boards (0.062"), with 100 m base > nickel. � 100m gold =_ 500 insertions � 50 m > gold =_ 300 insertions � 30 m gold =_ 50 to 75 > insertio
Electronics Forum | Wed May 30 10:27:52 EDT 2001 | genny
I couldn't find that standard free on the IPC website and was looking for a quicker answer (hang my head in shame...) Sometimes my company's a little frugal, and to get them to buy a standard can be like pulling hen's teeth... I will see what I can
Electronics Forum | Fri Dec 31 20:21:26 EST 1999 | Stu Leech
Intel had a similar problem with one of their military packages. They had "dull" leads. QC screamed loudly about this because the "dull" leads looked like a solder-coating problem. (Actually the solderability was equal or better than the "shinny" lea
Electronics Forum | Tue Jun 29 16:09:44 EDT 1999 | Dave F
| Could somebody tell me what means Leaching, ie: "Leaching of terminal end face exposing the ceramic"? | Roberto: Leaching, according to the SMTnet Library of Terms: Leaching. Dissolution of a metal coating into liquid solder. Nickel barrier unde