Electronics Forum | Mon Apr 25 22:56:44 EDT 2005 | davef
rush316 First, no one stated that PBB and/or PCBE are in FR4. FR4 contain tetra-bromo-bisphenol A [TBBA]. Second, there are classes [and grades] of dielectric materials used in fabricating printed circuit boards. Grades, NEMA LI-1. From these gr
Electronics Forum | Tue Nov 11 17:35:08 EST 2008 | davef
SM-840, is a material qualification document only, with all the test requirements applicable only to a defined test coupon, not to production boards. So, it's useless for what you're trying to accomplish. As assemblers use A-610 - Acceptability Of E
Electronics Forum | Mon Nov 12 17:12:40 EST 2001 | slthomas
Thanks, Dave. Three courtesy cheers for specifications written to reflect the capabilities of the part suppliers, even if they fail to meet the purchaser's (not unreasonable) process req'ts. In the meantime, I'm sure my stencil guy would be more
Electronics Forum | Mon Oct 23 06:50:06 EDT 2017 | spoiltforchoice
For package shapes/names I would recommend using manufacturer names. This is much safer than coming up with descriptive names like QFN32_5x5 as there are multiple 5mm 32Pin QFN shapes even when pitch is the same, this makes it safer to use a name in
Electronics Forum | Fri Dec 13 15:40:53 EST 2002 | pjc
Too many British. Maybe some below can refer you to Dutch or Belgian companies. SMD-Taping Service Bartholomaeusweg 8 D-91522 Ansbach Germany Tel. / Fax: +49 981 17356 Tel.: +49 981 9724363 Fax: +49 981 9724364 www.smd-taping-service.com Reel Servi
Electronics Forum | Thu Jun 06 07:53:51 EDT 2002 | Jim M.
Has anyone had much luck Picking and Placing die with a Panasonic MPA-G3?What special setups or considerations are required? Currently we pick and place one die with our Universal GSM using only one nozzle. The nozzle must be painted white in order
Electronics Forum | Thu Jun 06 08:16:13 EDT 2002 | caldon
Jim- Sorry I can not offer advice on the Panasonic machine but do want to shed light on the Die and waffle pack issue. Take note that if the Die are loose in the pockets the balls or terminations could be damaged. The thin layer that the ball is atta
Electronics Forum | Thu Oct 17 17:18:48 EDT 2002 | Leandro G. Barajas
Hi everybody, This is a simple posting to initiate a discussion on different ways to troubleshoot, improve, and control the Stencil Printing Process SPP in SMT manufacturing. There are many SPC, ANOVA and other analysis techniques that provide insi
Electronics Forum | Wed Sep 13 15:54:53 EDT 2006 | Osvaldo Smith
Hello, I am trying to find some Programming and host manuals for the following Panasert and Sony machines: MSH-G1 (Panasert SMT) RH2 (Panasert Through Hole) RH3 (Panasert Through Hole) RH5 (Panasert Through Hole) JVK (Panasert Through Hole) AX (Pan
Electronics Forum | Mon Apr 19 01:36:55 EDT 2010 | jola
Been a while since I used those machines but I found a list on how it was on ours anyway: MV2-F,C: F8-F1-F7-SHIFT-M-V MPA-V: F8-F1-F7-SHIFT-M-P-SHIFT-A-SHIFT-V MPA-G1: F8-F4-F7-SHIFT-M-F7-P-F7-SHIFT-A-F7 Always start from the main "run" screen. Go
