Electronics Forum | Sun May 23 15:12:59 EDT 1999 | JohnW
| We are running a number of boards with 8-10 25 mil PQFPs on board. Our process is mature with at least 3 years experiance and statistically few opens on the QFPs. Our beloved purchasing department has chased the almighty $ and changed FAB vendor
Electronics Forum | Fri May 21 13:57:02 EDT 1999 | KA Stillings
| | hello...can somebody help me regarding the POPCORN at Reflow. What is this POPCORN at reflow, what it looks like, its cause and corrective action if there is... | | | | your help is greatly appreciated...thanks | | | | omat marasigan | | | |
Electronics Forum | Fri May 07 02:29:16 EDT 1999 | Bob Willis
| | I would like to know if someone aleady have problems with Ceramic Capacitors SMD in In-Circuit Test (see below)and how did you solve this problems ? | | | | PROBLEMS | | 1 - Only one kind of capacitor (2n2F), of all capacitors on board, sometim
Electronics Forum | Sun Dec 08 23:40:19 EST 2002 | nonotalent
Hi all, We are currently having problems with > a laser-cut stencil that is electropolished and > nickel plated with 9-mil openings. The paste > does not release well from the apertures. We are > having to wipe after every print. The board is >
Electronics Forum | Thu Jul 01 00:51:56 EDT 1999 | Scott Cook
| Steve, | | First of all I don't disagree with you, but 104 caps perform a power smoothing function not a data signal function. | | A PCB will still function despite a few dead cap locations. | | It won't function without certain IC lead contact
Electronics Forum | Tue Apr 14 15:50:45 EDT 1998 | Bob Barr
Justin, Thanks for the response to my dilemma. For once it's not just me! The parts seem perfectly solderable, but I will try the modification to the profile you suggested. I wonder if the retention clips may be letting loose from the holes they a
Electronics Forum | Sun Aug 18 06:23:34 EDT 2002 | bentzen
Hi Ken. It's always fun and a good exercise to debat on a interesting subject like this. I can see at your response that I have to clarify some of the issues. Yes, the placement machine should be the line bottleneck. And in a line with more placem
Electronics Forum | Thu Oct 10 15:56:14 EDT 2002 | seand
Hello Everyone, It has been my perception that one of the long time issues in Forum has been the code of conduct with regards to Rep responses (I know...Duh). I tried looking through the site to look into a possible defined protocol and didn't find
Electronics Forum | Sun May 29 17:36:11 EDT 2005 | MikeaJ
Dear JMT, I have read your reply, and you have one small valid point. There are times when you should call Technical Support. It is not for us to judge when each individual calls upon that resource, allow me to note a few points: 1. You can't always
Electronics Forum | Thu Apr 05 16:13:12 EDT 2007 | Ben T
D?rty, I was actually under the same mission as you a little over a year ago, but have since given up on the impossible. I have however been developing software for the industry for the past year. I have made a BOM importing tool, which cleans the BO
