Electronics Forum | Fri Jun 25 09:43:24 EDT 1999 | Dave F
snip | | Dear John/Earl | | Thanks for your clarifications. To me also the problem does not seem to be linked with the PCB. The Pre heater temp. is set at | 450 degree C. We are using Alpha Aq. cleanable flux. Can you elaborate on the Desired
Electronics Forum | Sat May 01 09:55:59 EDT 1999 | Bob Willis
| Hi all, | | We're starting up tests for pin-to-paste and, well, things could be better. We're testing different pastes and we're testing different apertures rules and, well, we're still testing. It's coming close and we're getting pretty good
Electronics Forum | Wed Apr 14 17:25:01 EDT 1999 | Stephen Oltmann
A company in Santa Clara California specializes in repair of fine pitch using automated inspection and repair equipment. They guarantee their work and include bake and dry pack. Go to http://www.sixsigmaservices.com/services.htm | DOES ANY ONE KNOW
Electronics Forum | Thu Mar 18 10:35:34 EST 1999 | greg cronin
I have a Hitachi HB/327 64 pin dip eprom that I need programmed. The company that I usually use cannot program these for me. I only have the program on one programmed IC. If anyone has a program house that can help me please let me know. Prefferi
Electronics Forum | Tue Mar 16 09:31:21 EST 1999 | Dave Manero
I am looking for the dimensions of the qfp trays. I need to no the center to center as well as the edge to center. I will use this information to program the fuji QP machine for placing 44pin QFP from the tray, or other devices. I can measure this by
Electronics Forum | Mon Feb 22 16:49:38 EST 1999 | C.K.
A rash of new products here at my company have designs with multi-pin connectors 90 out-of-phase (orientation)wiht respect to wave direction, which has lead to massive bridging (shorts) problems.... Does anyone still use the 45 Degree Pallet (a pal
Electronics Forum | Thu Feb 18 21:20:13 EST 1999 | Ernie Flamont
During inspection and test we find leads which do not get soldered. Some are because of insufficient paste, but with others everything looks right. This will only happen on 1 to 2 pins, and it is not isolated to a specific type of ic or location on
Electronics Forum | Wed Dec 30 09:47:52 EST 1998 | Paul M
Hi All, I work with CNC Routers . I use full perimeter routing of double sided populated panels, in a high volume/ mix application environment. We chose stand alone routing machines for our facility . I'm interested in your input for better ideas
Electronics Forum | Mon Nov 30 10:04:26 EST 1998 | Clint Hardee
Yes, the GEM series feeders are quite different. In fact, if you put CSM feeders on a GEM machine, you will probably break nozzles and crash the head due to the fact that the CSM feeders have a mechanical arm that sticks up toward the front of the bo
Electronics Forum | Fri Nov 13 03:57:41 EST 1998 | Steve Cheung
We are experiencing 'lifting' on one or more sides of a QFP. Poor lead co-planarity has been ruled out by independent tests. Please tell me which of the two remaining failure modes is the most probrable? 1. Expansion of gases in vias underneath devi
