Electronics Forum | Tue Mar 16 15:43:11 EST 1999 | Mike Greening
| | We are currently looking into purchasing a high volume, medium mix production line. We are considering several different vendors and I would like to know if current users of Siemens equipment are happy. Are the machines maintenance intensive?
Electronics Forum | Mon Feb 15 15:33:47 EST 1999 | Earl Moon
| Any info on the pros and cons of FR4 or Polyamide ref the use of soldering PGAs would be helpful. ie. temp co-efficient diffs, baking, wave soldering, Convection reflow etc | I'm sure you know all the basic differences as Tg, X, Y, and Z expansi
Electronics Forum | Sun Jan 31 14:34:50 EST 1999 | Dean
| SMT Mfg. Equipment: Fuji CP-6/IP-3 - but please all hi-speed chip placer users input are appreciated !! | | The company that I work for is a C/M which offers both consignment but mostly turnkey work. I am currently running 3 Fuji lines. All parts
Electronics Forum | Mon Feb 01 17:48:36 EST 1999 | E.
| | SMT Mfg. Equipment: Fuji CP-6/IP-3 - but please all hi-speed chip placer users input are appreciated !! | | | | The company that I work for is a C/M which offers both consignment but mostly turnkey work. I am currently running 3 Fuji lines. All
Electronics Forum | Wed Aug 04 01:19:30 EDT 1999 | oscar
| | SMT Mfg. Equipment: Fuji CP-6/IP-3 - but please all hi-speed chip placer users input are appreciated !! | | | | The company that I work for is a C/M which offers both consignment but mostly turnkey work. I am currently running 3 Fuji lines. All
Electronics Forum | Tue Jan 19 11:12:41 EST 1999 | Dave F
| | | | | Folk's, | | | | | | | | | | I'm looking for information of how long you cna store a gold finish PCB before building it. I know there are problems with the gold disappearing into the underlying nickle over time / temperature etc but exactly
Electronics Forum | Tue Jan 05 10:17:25 EST 1999 | Earl Moon
| | | Does anyone have any experience with vibration testing of BGA packages and assemblies? We are starting to design BGA's into some of our products and we have not found very much information on vibrational test results. Any information will be
Electronics Forum | Fri Dec 04 20:37:45 EST 1998 | kallol chakraborty
| | | | | Hi folks , | | | | | Lately we are seeing a lot of rawcards with black spots on the pads - most of them have Au finish(immersion gold) . We did a lot of inspecton after wave solder and found that only (fine pitch) QFP are affected the most
Electronics Forum | Fri Oct 16 09:12:46 EDT 1998 | Scott Cook
Sorry folks. I'm just a naysayer here. Let's look at this BGA thing...... We've all been successfully processing down to 16 mil FP stuff for years, now--some of us down to 11 mil. Once the printing process was stabilized, paste rheologies were matur
Electronics Forum | Sat Oct 17 10:43:29 EDT 1998 | smd
| Sorry folks. I'm just a naysayer here. Let's look at this BGA thing...... | | We've all been successfully processing down to 16 mil FP stuff for years, now--some of us down to 11 mil. Once the printing process was stabilized, paste rheologies were