Electronics Forum | Sat Feb 02 08:55:55 EST 2002 | davef
I'd don't believe that the reels need to be ESD protective material. The carrier and cover tape have resistivity and materials specifications. Start with EIA-481. In past threads on SMTnet, we have discussed problems in picking components that wer
Electronics Forum | Sun Feb 03 08:12:38 EST 2002 | davef
I&J Fisnar [2-07 Banta Pl Fair Lawn, NJ 07410-3002 201-796-1477 Fax 201-794-7034 http://www.ijfisnar.com info@ijfisnar.com ] makes a very good quality bench-top liquid dispenser. A base machine costs about $10k. Programming is relatively easy, alth
Electronics Forum | Thu Feb 07 11:59:48 EST 2002 | Ron Costa
When double sided BGA's are used on an .062 FR4 10 layer board should via's be plugged and tented? The CACHE chips being used are PBGA's 1.27mm pitch. The pad size is .030 and the finished via dia. is .010. This is a dogbone type pad and via design.
Electronics Forum | Thu Feb 07 20:55:09 EST 2002 | davef
You are correct about the location of wood on your friendly neighborhood triboelectric scale. But unfortunately for us [and fortunately for the ESD protected material board rack salesperson], the scale does not recognize the effect of the moisture t
Electronics Forum | Mon Feb 11 22:05:44 EST 2002 | davef
You may not find a supplier with an "out of box" solution. But you might be able to jury-rig something without too much pain and cost. Try this: * Buy a fairly brainless feeder [like an old quad feeder] from an used equipment supplier / broker [sea
Electronics Forum | Tue Feb 12 05:47:29 EST 2002 | Roy Barton
To Dave F. Thanks for your comments. I should point out that I am not well versed in SMT, I am more of a thick film and chip man. However I will look into your leads. I will try and find out more about the Quad equipment. I am very wary in getting
Electronics Forum | Mon Feb 11 20:07:46 EST 2002 | caldon
Stephano- There is a Chemical process to revert the contamination back to its original form. The EMPF Developed it back a few years ago in conjunction with Rockwell and some others. Please contact ACI at 610-362-1200 and ask for Dr. Greg Parks. This
Electronics Forum | Thu Feb 14 09:07:43 EST 2002 | PeteC
Looking at low cost reliable Mother-Daughter board interfaces. Looking at having the Mom w/ a routed out slot, like 1.7mm wide with solder lands on the bottom side then plugging in Daughter thru Mom's slot w/ the Daughter having board edge contacts t
Electronics Forum | Fri Feb 15 14:19:15 EST 2002 | seand
Hello Dave, With regards to acquiring data and additional insight to cost of ownership and your technical concerns for closed loop recirculation, a good contact for you may be Brian Mahue of Resys. Resys specializes in closed loop recirculation sys
Electronics Forum | Fri Feb 15 00:39:09 EST 2002 | Jones
I've noticed that after we have switched to Transition Automation blades on our MPM screen printers that the stencils seem to be wearing out faster and I see a wavy rippling effect across the length of the stencil thats impacted by the squeege blade.