Electronics Forum | Thu Aug 14 18:33:38 EDT 2008 | smt_guy
Am I Correct to say that the Via's Annular Rings are broken or incomplete? If they are then that's an automatic Failed. regards
Electronics Forum | Thu Aug 14 21:58:43 EDT 2008 | proy
NO WAY I had seen this 10 years ago, and got into a 'p' match with the PCB fabricator. We had failures after wave solder, the thermal ezpansion caused cracks in the 'knee' where the skinny little trace go's over into the barrel. even if not failin
Electronics Forum | Fri Aug 15 00:51:30 EDT 2008 | boardhouse
Hi Paul, My discloser, I sell for an offshore house, this is Crap.... Section 3.4.3 Annular Ring (External) of IPC-6012A, which also calls out Table 3-5, states that "Plated-through holes identified as vias can have up to 90 degrees breakout of t
Electronics Forum | Fri Aug 18 20:42:02 EDT 2000 | KYUNG SAM PARK
Hi. Smtguys I need help. The delamination of smd (QFP) occured when we checked with the SEM. This device have been excursed smt process after baking for 24 hour (125��) in oven. Are there any other reasion in SMD delamination except humidit
Electronics Forum | Tue Jul 15 08:01:37 EDT 2008 | amcross
Grayman, Respectfully, you are off base. Many US companies pay their best engineers FAR more than any managers other than their executive VPs. Exceptional tchnical skill, absent management ability, IS rewarded VERY highly here in the US. in the past
Electronics Forum | Wed May 19 19:59:48 EDT 2004 | M.L. Feather
I won't see it either except in pictures. Thanks for info. M.L. Feather
Electronics Forum | Thu Aug 24 12:14:27 EDT 2006 | russ
All except for DEK!!!!! Russ
Electronics Forum | Mon Dec 13 14:30:38 EST 2010 | gantry
I do not have a suggestion except possibly calling APS?
Electronics Forum | Mon Apr 17 00:18:07 EDT 2017 | teslalab2
The password is QUAD not quad. Not very many DOS programs are case sensitive, CC is an exception....
Electronics Forum | Sat Dec 10 19:10:17 EST 2005 | mika
Most of the chip; res & caps are already lead-free or RoHS compliant and you most certainly already solder them in your regular leaded reflow process. However, there are a few more component packages except from BGA:s that are NOT backwards compatib
