Electronics Forum | Fri Jan 03 12:48:23 EST 2020 | cyber_wolf
Besides correct stencil design, solder paste chemistry can have a profound effect on voiding. People will tell you reflow profiles. I have never in my career seen a reflow profile have any effect on voiding unless it is grossly off.
Electronics Forum | Mon May 18 02:40:53 EDT 2020 | peterhuang
Does anyone need help? We have developed a type of cover tape, which can effectively overcome the problem of throwing rate. It can be less than 3‰. Most of these problems are classified as machine problems. According to our research, it can be effect
Electronics Forum | Tue Jul 14 15:09:16 EDT 1998 | Steve Gregory
| Dear Colleagues: | I am looking for quantiative data on comparing the effects of depaneling/routing versus other forms of singulation specifically shearing, | I need data not opinions. | Thanks in advance for your help. | Sincerely, | B. Decker
Electronics Forum | Tue Jul 14 16:53:43 EDT 1998 | B. Decker
| | | Dear Colleagues: | | I am looking for quantiative data on comparing the effects of depaneling/routing versus other forms of singulation specifically shearing, | | I need data not opinions. | | Thanks in advance for your help. | | Sincerely
Electronics Forum | Wed Mar 21 21:28:22 EST 2001 | davef
We have RF boards with ... * No solder mask * Strategically placed globs of solder It's possible that your boards will not work with NC flux res on them. We generally don't see noise problems. We loose one of the edges [front I think, but don't
Electronics Forum | Mon Jun 18 19:57:40 EDT 2001 | Gil Zweig
Dave: You pose a very good question. We have been in the electronics x-ray inspection business for 18-1/2 years and, to date, we have not received a single report of damage associated with x-ray exposure. However... we do see signs of long term x-ra
Electronics Forum | Mon Jul 07 00:33:12 EDT 2003 | praveen
First we have to look in to the current situiation of the SMT line.Is the pick and place machine very old and can not perform consistently. Is the board to be inspected is very dense and have lots of connectors and fine pitch comp.with lots of 0402 c
Electronics Forum | Fri Feb 09 02:30:50 EST 2007 | Muhammad Haris
What are Resins, Solvents, Activators, and Thickening Agents in Solder Paste and what are their helpful and harmful effects? AND What are the purposes/properties and effects of Sn(Tin), Pb(Lead), Ag(Silver), Bi(Bismuth), In(Indium), Cu(Copper), Ni(
Electronics Forum | Mon Dec 18 10:29:41 EST 2000 | martys
Charles, what do you consider the most important recent advance in technology effecting Flexible Circuits?
Electronics Forum | Thu Aug 24 13:07:20 EDT 2000 | Dave F
Sorry, what is the "inductive effect" and how is involved in flux acticivity?
