Electronics Forum | Mon Oct 08 23:17:48 EDT 2001 | Brad Arnold
We are trying to produce a PC Card bus assembly with a 672 pin BGA on one side. These pcb's are .015 thick. I believe the ball pitch is .5mm. The pcb's are plated with white tin. The pcb's are in a 1 X 3 array. We had 2 plates with appropriate cutout
Electronics Forum | Thu Oct 11 17:44:30 EDT 2001 | aaelect
OK, OK. 672 ball BGA. The pcbs are PC Card bus size and are .015 thick. There are 3 on a panel with about 1/2" between and rails. The aluminum plates are about 3" by 7". There are 3 cutouts which allow for the parts from either side to protrude du
Electronics Forum | Fri Dec 06 12:52:45 EST 2002 | dphilbrick
AGI in Huntsville AL. will help you through the process they do good work.
Electronics Forum | Fri Aug 22 13:10:51 EDT 2008 | bschreiber
The folowing articles are available at: http://www.smartsonic.com/article.html "Why Not Ultrasonic Cleaning?" by William Kenyon "Damage-Free Ultrasonically-Assisted Cleaning of Printed Circuit Assemblies" - by B.P. Richards et al "Does Ultrason
Electronics Forum | Thu Feb 19 07:17:35 EST 2009 | mdavister
When I had to order ceramic (AL2O3, BeO, AlN) in the past, the fabricator always used a CO2 laser system for cutting holes and irregularities in the ceramic. Some companies that I have used that do ceramic cutting are: http://www.altinc.com/ http:/
Electronics Forum | Wed Feb 05 15:11:10 EST 2003 | davef
Russ, Jasper, et al; J Dumont is probably not as BIG of a dirtbag, as he / she appears. Please contact Brian Doyle [ bpdoyle@smtnet.com ] and complain about commecial postings.
Electronics Forum | Sun Feb 27 17:06:18 EST 2005 | Darby
This is the profile we came up with on a 1500 to satisfy the parameters suggested by Indium. This was on an FR4 1mm thick 4 layer pcb that I would descrbe as medium density, QFP, SOP, AL-CAP, TANTS, D-PAK, MINI SPRING COIL, SOT and CHIPS were all use
Electronics Forum | Tue Apr 12 22:23:05 EDT 2005 | Al
The way we do this, is to tape a transparent film to the PCB. The printers and chip shooters can read fiducials no problems. Once it has been run through SMT, simply remove the tranparency film and the PCB is ready for use, no mess no cleaning and yo
Electronics Forum | Thu Aug 03 06:24:05 EDT 2006 | LexT
Look, I'm new to this forum and I failed to find a suitable division/thread... I'm a hobbyist PCB designer and I use software tools which are not as expensive as big brand names... affordable one like DipTrace is a find for me... maybe some of you ca
Electronics Forum | Thu May 07 22:13:10 EDT 1998 | Wayne
| Sorry for the confusion. For now there is but one | forum, and that is this SMT Forum. Everyone is | welcome to post any technical issues related to | pcb design, fabrication, and assembly, of which | capital equipment is an integral part. Cunli
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