Electronics Forum | Sun Nov 09 01:58:09 EST 2003 | fastek
Oh Primus I didn't mean it literally! And it doesn't upset me at all. Amazed perhaps but upset....no. The bottom line is either the market is far worse than suspected or Cookson simply had no idea how to run and manage perhaps the best collection o
Electronics Forum | Fri Nov 14 08:28:22 EST 2003 | caldon
Actually cleaning of PCB's may see a resurgence with the lead free movement. Higher temps and more aggresive fluxes might need to be clean depending on your board and process. In addition Wave soldering solder pots (in some cases machines) may have t
Electronics Forum | Wed Nov 05 13:43:52 EST 2003 | swagner
I just did a bga job with square aperture's, the reasoning is for enhanced print release and additional paste volume. Be careful of the edge to edge clearance between the stencil openings, I don't recommend going below a 8 mil clearance, you could b
Electronics Forum | Wed Nov 05 17:36:12 EST 2003 | Stephen
Make sure that the side of the square is the diameter of the pad, That is that the circle is inside the square not that the square is inside the circle. normally the aperatures are smaller than the pad to get gasketing. In this case the idea is to
Electronics Forum | Wed Nov 05 19:57:35 EST 2003 | Hoss
9.0. In it's spent form (from a batch cleaner) the cleaning solution is at a pH of 10.1. Luckily, we are setup with a holding tank and have an oppurtunity to treat the stuff before sending to drain. My question is, what is the easiest way to adjus
Electronics Forum | Mon Nov 17 08:01:44 EST 2003 | stefwitt
The format is X,Y Theta of the component center for all placement machines. Gerber data can be useless, unless you have the reference from pin 1 to the component center. Some machines offer a CAD convertion tool. I don't know any machine, which can
Electronics Forum | Fri Nov 07 15:57:56 EST 2003 | Marc Simmel
Are there specifications or recommendations for electro-deposited tin-lead plating thickness on austenitic stainless steel that would provide a shelf life of 1 year? 6 months? Would 2 to 3 microns (78 to 118 micro-inches) 90/10 tin-lead over 1.27 mi
Electronics Forum | Mon Nov 10 11:35:09 EST 2003 | simon66
Hello every member in the net. There is a con-man in this trading. Pls becareful. The one who read this know who you. YOu will not be able to locate him at all and ony he can locate you. I am not revealing their name now by giving them a chance to ex
Electronics Forum | Tue Nov 11 08:08:43 EST 2003 | Chris
Use a Radial lead inserter. you will need 1 head for each different part number you have. the machine cannsert 2.5 $ 5.o mm lead components and 7.5 with special to0ling. For LED you want to use a Radial with the new dual spocket CTA (Component transf
Electronics Forum | Tue Nov 11 12:49:13 EST 2003 | Carol
Could you direct me to a Standard or Study that has used this termination with 67/37 tin/lead solder please? I am looking for the recommended reflow temperature requirements and reliability issues for the completed product. We are receiving this type