Electronics Forum | Tue Oct 30 14:39:41 EST 2001 | markhoch
Has anybody else out there had problems with SMT connectors with plastic locating pins lifting up during the reflow process? We've had several instances with several differant types of SMT connectors lifting up during the reflow process. We've even g
Electronics Forum | Mon Sep 16 13:04:19 EDT 2002 | dragonslayr
JoJo- please keep your "mining" for leads to other forums; you have activated a nearly one year old thread that has no relevance today other than your interest in your making a contact. Try contacting the original poster direct. If you have somethin
Electronics Forum | Thu Nov 15 07:59:53 EST 2001 | John S
My company is in the process of evaluating dispensing/screen printing vendors for a new production line that will build a mixed through hole and smt board in high volume. DEK recently came out with a system that uses a thick plastic stecil with mach
Electronics Forum | Fri Nov 16 10:53:30 EST 2001 | Carol Stirling
Hello Everyone, Our board supplier changed our board surface finish on a prototype to flat solderable tin (FST) because of the PWB thickness (.125"). The pads seem to be contaminated, particularly on second side pass through reflow. The solder appea
Electronics Forum | Wed Nov 21 19:45:36 EST 2001 | Yngwie
Hi Guys, I need help. I�ve a trouble with non-wetting problem on the lead of 208 pin, 20 mils pitch QFP. We are on intrusive reflow. I never faced this problem before on this product after running them for about 2 years now. This occurred on one pa
Electronics Forum | Mon Nov 26 20:15:50 EST 2001 | davef
Sounds like you are thinking correctly. I'd guess your fab has gotten "smart" and changed your bare board, as you suggest. So, you've got two choices: 1 Rework the QFP. 2 Remove the lower temperature PTH components and solder them to the board some
Electronics Forum | Thu Nov 22 10:02:42 EST 2001 | Adam
Guys Has anybody had experiences with plastic glue stencils good or bad ? I also have a couple of questions : 1. Can I use the same aperture design rules for plastic stencils as I do on my metal glue stencils ? 2. How repeatable is a plastic glue st
Electronics Forum | Fri Dec 07 09:43:04 EST 2001 | Russ Steiner
I have a mixed technology PCB that has SMT all on bottom, TH parts on both sides (Yes, I realize that's bad. Can't be avoided.) We have designed a 10-up panel, 2 x 5 array. There are 50 leads per bd, 500 per panel. How much time is reasonable to a
Electronics Forum | Thu Dec 13 19:46:13 EST 2001 | Dave Oggy
The componant details can be found at: http://www.jst-mfg.com/pdfE/eFLZ.pdf its the 21 pin variety I need. I'm sorry but anyone suggesting that I manually do !anything! with this componant has got perfect 20/20 vision along with the soldiering skills
Electronics Forum | Wed Dec 26 15:27:07 EST 2001 | johnspade
Hi Yannick, Smart Sonic has just introduced the "Assembly Module" to their StencilScan AOI software package. By adding the Assembly Module to StencilScan AOI, one workstation allows you to inspect and compare the stencil to the PCB and Gerber data a
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