Electronics Forum | Sat Sep 05 18:51:34 EDT 1998 | Graham Naisbitt
John, I believe that your problem is cuased by inadequate filling of the transformers with potting material - if any is used at all. When you attempt to clean, particularly with a chemistry, it is designed with wetting agent, surface tension modifier
Electronics Forum | Mon Aug 10 10:58:01 EDT 1998 | Justin Medernach
| | I am trying to get an idea of what system seems to work best for solder paste inspection. I am looking for basic table top models with he capabilites of height and width measurements. Can anyone give me suggestions, pricing and why you prefer
Electronics Forum | Mon Jun 15 22:00:52 EDT 1998 | Jon Medernach
As an equipment vendor (Panasonic Create group)I am extremely interested in GEM/SECS. It is really a nebulous concept. Everyone I talk to wants something different but it's all lumped under GEM/SECS! I ask a simple question. What do you want it to
Electronics Forum | Tue Feb 24 01:19:01 EST 1998 | Jon Gruett
You are right !!! The exact volume of solder paste onto flip chips is extremely critical. Only one vendor that I know has taken that part of the process to the next level, whereby they can effectively deposit the right amount onto the flip chip exa
Electronics Forum | Fri Jan 09 09:48:24 EST 1998 | Wendy Casker
| We are currently in the process of analyzing Forced Air Convection Oven systems. The systems in the running are the Electrovert, Vitronics, Conceptronics, and Seho. Service is a big requirement for us. Our plant locations are in Dublin, Ireland
Electronics Forum | Fri Dec 12 10:28:30 EST 1997 | David Syracuse
I am interested in locating a water soluble resist mask that does not leave a residue after wash and is easy to work with during the screen printing process. I have tried the Alpha Metals 110 and 220 solder mask and have found that it does not leave
Electronics Forum | Tue Aug 21 03:42:55 EDT 2001 | mugen
SMT community, My Fellows, 1) why is No-clean (NC) the preferred process, for BGA mounting by SMT? 2) why is water-soluble (WS) not a hot choice? 3) All I know, *is in layman terms*, that BGA has tendency to trap water, should WS process be the c
Electronics Forum | Mon Nov 12 13:04:35 EST 2001 | slthomas
We've got a problem with a fine pitch board that has about .005" registration error at each end (towards the center of the board) when it's printed. Apparently we've got a case of board stretch generated at the fab shop. I still have to do some mea
Electronics Forum | Tue Dec 11 13:56:38 EST 2001 | Damian Holzmann
Regarding your comment "technology doesn't seem to have improved". Actually, technology has improved significanty. Cyber Optics uses a line measurement, a new unit from Germany uses sine wave differential measurement. The Gridmeter unit captures a vi
Electronics Forum | Mon Apr 15 18:56:56 EDT 2002 | davef
Hesitating after your shout-out for �DI water rinse experts�, Q1: �What is the FIX industrial standard?� A1: Never heard of �the FIX industrial standard�. There is no standard in the US electronic industry. The issue: * Is NOT the cleanliness of