Electronics Forum | Fri Aug 28 13:23:50 EDT 1998 | Ben Salisbury
| | | | | Damn Wayne, | | | | | | If I knew as much as you, Justin, Steve, his dad, and others know, or knew, I'd be happy to be the UGLY. The plus of a forum like this is it keeps us on our toes and keeps our brain cells alive or constantly searchin
Electronics Forum | Fri May 14 14:52:56 EDT 1999 | Ryan Jennens
| | | | I am looking for anyone who has converted over to VOC Free flux. I need some info on any problems, etc. that you might have had. | | | | | | | | Please E-mail me at wes.ruggles@vickers-systems.com or call at (513) 494-5229 | | | | | | | | T
Electronics Forum | Tue Jun 17 15:52:51 EDT 2003 | russ
Is this a single sided or double sided board? We run the first side flat on the oven belt this keeps the board flat for the second side assembly. If the board warps during the second reflow process we will make a support fixture to carry the PCBA
Electronics Forum | Wed Oct 18 16:41:35 EDT 2000 | Dave F
It's unrealistic to think that two materials with the following disperant properties would have the same reflow profile. From http://www.norplex.com/Carrier.htm Physical Properties / NEMA FR-4 / NEMA CEM-1 Glass transition temperature �C / 130 / 10
Electronics Forum | Mon Jun 07 22:30:28 EDT 1999 | Dave F
| | | I was wondering what measurements are used to define pitch? | | | | | Frank: John's correct with the most common definition, but there can be others, depending on your perspective. TTYL Dave F | | | | Pitch. The center-to-center spacing b
Electronics Forum | Wed Apr 21 12:03:59 EDT 1999 | Michael N.
I'm having problems with trying to get a good solder joint using a Ceramic PCB. We are using AMTECH hi-temp solder (ws-486 96.5/3.5ag). My profile looks great and I used the recommended profile from Amtech with a few adjustments. My max temp is about
Electronics Forum | Mon Sep 14 16:44:37 EDT 1998 | Steve A
| Reading some technical report I found the term "CSP", but no explanation. | I guess something about Chip Scale Package... but not sure. | Could someone please explain it to me? | Rgds, | Anderson You are absolutely correct. CSP is an acronym for C
Electronics Forum | Sun Aug 30 16:36:31 EDT 1998 | Steve Gregory
Hi Kc! I went to Surface Mount International last week, and had a chance to see a way to reball BGA's that is very simple, and not expensive at all. I've seen the advertisements in a few magazines, but this was the first time I've seen it live. It's
Electronics Forum | Mon Jul 01 20:44:17 EDT 2002 | davef
Actually, the white res were caused by the water carrier in your Lonco 23F reacting with the res from the nc flux used to solder the component in place. Comments are: * Some nc flux res are cleanable, some are not. Your supplier [Alpha?] can probab
Electronics Forum | Thu Jun 26 03:27:35 EDT 2003 | loz
We currently have a requirement to build flexi circuits and mount two 40 way, 20 thou connectors at each end. The flexi pcb's arrived in singlulated format. Ideally we would like to have the circuits panelised for machine building as hand placing the
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