Electronics Forum | Wed Feb 17 17:51:37 EST 1999 | Zboss
| | | Hello all in SMT land: | | | | | | My name is Brian G Bancroft and I work for Lucent Technologies in New jersey. I have been asked to try and find information on a bench top workstation with micro-manipulation ability, soldering capabi
Electronics Forum | Tue Dec 08 17:55:51 EST 1998 | Dave F
1. What is the best way to remove polyurethane conformal coating from selected areas? Your conformal coat material supplier is best equipped to tell you how to remove the coating. Polyurethane conformal coating is not easy to remove. Without in-pu
Electronics Forum | Mon Sep 13 04:37:22 EDT 1999 | Brian
| I noticed that some of our pcb's component legend/designation are unreadable as they are placed under smt pads. Is this correct and according to standard? Although we don't have any problems with them as of now, I would like to know the effects on
Electronics Forum | Wed Jan 26 10:15:04 EST 2000 | Christopher Lampron
Maurice, I have worked with several different platforms of P&P machines and have a couple of thoughts regarding features and ease of use. The Contact Systems 3 series machines are versitile and very user friendly. I contribute this to the touch scree
Electronics Forum | Thu Mar 29 07:37:45 EDT 2012 | davef
The current discussion about solder fountains has to do with copper dissolution. Broadly, copper dissolution is the weakening of copper traces where a trace and a barrel plating intersect due a loss of the copper into the solder. Longer contact time
Electronics Forum | Thu Jan 01 13:04:42 EST 1998 | scott cook
| Has anyone had any experience with thermal shocking | and cracking of SMD capacitors during the rework process? | My company was advised to preheat capacitors to 125 C | at a rate of 2 C/sec before replacing them onto boards. | Would this maybe
Electronics Forum | Fri Apr 21 18:43:23 EDT 2006 | SD
Sorry, I have not read the article. However, I do have five years experience constantly tweaking an AOI system that ran ONE product! The strength of the machine was solder inspection. The biggest problem was component color variation and shadowing
Electronics Forum | Fri Jun 02 16:30:42 EDT 2000 | Michael Parker
I found a reference to Cost of Conversion earlier this year. Basically, the average cost to convert a single component from raw materials to assembled goods is $.08, just after pick and place. After placement and before reflow, repair (solder paste r
Electronics Forum | Tue Aug 17 09:59:50 EDT 1999 | Earl Moon
I'm trying a second time to post this very important message, to me, concerning Air-Vac's following creation. Does any own and use this stuff successfully to remove solder from 20 layer and up MLB's with .020" diameter holes? Also, is any of the adve
Electronics Forum | Wed Mar 12 10:34:42 EST 2003 | Stephen
I want to be clear. You are talking about buying fully populated cards? And not just bare boards. Approach different CM's and compare contracts. You can pretty much get anything from "build from kit" where all the CM does is assembly, to complete s
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