Electronics Forum | Mon Nov 09 22:33:42 EST 1998 | Jim McCarten
I have had experience with both companies. If you are doing contract work and get you parts and boards in a box, the Mydata does a fine job of teaching a board on the machine. Quad's strengths are in their software and the ability to automatically
Electronics Forum | Wed Jun 02 23:53:09 EDT 1999 | Dean
| To you all for comment and summary, | | The following things I like without endorsing (PCB/PCBA stuff - outside the great women in my life [many] and without [mostly]): | | 1) A good set of design rules | 2) A good set of design rules meeting pro
Electronics Forum | Thu Apr 04 05:33:19 EST 2002 | ianchan
Hi, hope this helps : 1) BCC (bump chip carrier) production for us, was with a 5mils Stencil. The outer perimeter smallish pads are not much of a problems. For the central large pad, we split the paste print (corresponds to the Stencil apperture op
Electronics Forum | Thu Jan 18 21:52:24 EST 2001 | arul2000
>>>>Dave, The BGA substrate surface finish is NiAu, while the PCBA pad surface is HASL. The solder ball composition is SnPb 63/37 and the solder paste used on the PCBA is also the same but with 2% Silver.>>> Dave, sorry I don't have the picture with
Electronics Forum | Fri May 26 21:25:52 EDT 2006 | mika
Yes we do place "big and heavy" SMT DC/DC:s on most of our board's. Please tell us what brand it is or at least what the package look like?!? For instance we place a different numbers of "heavy" DC/DC converters (40x20mm & 45x25mm) that has the pick-
Electronics Forum | Sat Jan 19 02:25:37 EST 2002 | ianchan
Hi, Have a board run, using 63/37 Water Souble (WS) process. during the reflow setup time, we had unsolder issues on a leadless bump chip carrier (BCC) IC level package. To rectify the unsolder rejects, we adjusted the reflow time from 25-55sec into
Electronics Forum | Fri Aug 08 11:37:09 EDT 2008 | pjc
Yes, sure. In fact in some applications ICT is coming back. Mainly due to the fact that more and more SMT discrete components have no markings, so AOI cannot tell you if you have the correct value on the PCB. Fixed pin or flying probe ICT is a valuab
Electronics Forum | Mon Nov 02 08:24:44 EST 2009 | rgduval
Umar, We don't think you've violated ESD handling in the manner you've described. If your employees were wearing foot straps, and your floors are conductive/grounded. I've run into this at multiple companies, where transporting the PCBs station
Electronics Forum | Wed Jun 20 18:32:35 EDT 2001 | davef
I'm sorry, I can�t image on your words. A couple of years ago, we had a rash of DOA shipments to a customer. We thought someone could be drop-kicking the packaged product down the stairs. So, we shipped with BIG red labels and impact indicators on
Electronics Forum | Wed Jul 18 22:23:44 EDT 2001 | davef
First thing, I wouldn't buy new. There's tons of this stuff out there, the problem is finding the used stuff. One place to look is the SMTnet used equipment sales watteverzits called. Roland knows the name. Most work bench suppliers [eg, Arlink,
