Electronics Forum | Wed Feb 24 12:53:55 EST 1999 | Dave F
| Are the terms "uBGA" and "Fine Pitch BGA" synonomous, different all-together, or is Fine Pitch BGA a subset of uBGA? Thanks. | | Steve | Steve: �BGA�: Micro BGA�. A brand name for a fine pitch BGA from Tessera. Fine Pitch (1) In SMD: Surfa
Electronics Forum | Tue Jan 19 12:25:23 EST 1999 | Mike Cox
I need some opinions (And I know everybody has one). I am mounting a board into a case, after mounting the board I am loading it with stress in the middle causing it to bend around .030 inch. The board is 4" X 6" and is Bending in the 4" direction.
Electronics Forum | Sat Aug 29 08:43:35 EDT 1998 | Dave F
| Hi, Friends, | Could you please recommend me some solder mask materials and equitements for high quality solder mask? Details such as company name, phone numer et al are welcomed. Thanks! | Have a good day | Xingsheng Xingsheng: Consider the follo
Electronics Forum | Thu Jul 16 12:50:57 EDT 1998 | joe devaney
Dave, We have a rigging company that uses what we call airbags, the same principle like and upside-down air hockey puck. We have moved Fuji machines, verticle carousels (fully loaded with parts), reflow ovens etc. and wouldn't move another machine
Electronics Forum | Tue Jun 02 20:26:17 EDT 1998 | Anthony
Does anybody know if a contraption exists that will minimize a PCB's tendency to become slightly bent after reflow? We have a new product that we're planning to assemble in a couple of months. The board is 9.7" by 13.4" and it is imperitive that we
Electronics Forum | Tue Sep 04 18:11:18 EDT 2001 | davef
Assuming you're asking about double sided reflow soldering ... Use pad mating to lead wetting area. Bob Willis has found the ratio to be as much as 44 grams/sq in. Check Bob's site [Electronic Presentation Sevices] for more. Phil Zarro uses the
Electronics Forum | Wed Oct 10 09:38:32 EDT 2001 | brownsj
I'm trying to design a costing matrix for raw cards so our designers can estimate the costs of their raw card designs, this will hopefully slow down their lust for technology and get them considering project budget costs. Does anyone know of where I
Electronics Forum | Tue Apr 23 18:34:45 EDT 2002 | mkallen
My first posting was not very clear -- sorry. Let me try again. What I want to know is: can I eliminate the drying (baking) process completely IF I know that the good parts (i.e., those not being reworked) are going to stay under some threshold tem
Electronics Forum | Wed Mar 06 11:02:07 EST 2002 | slthomas
I worked for a medical instrument manufacturer a few years ago and we had to calibrate all measurement devices. That included everything from our vapor phase oven's thermocouples to 6 inch steel rulers. I don't see any logical justification if you'
Electronics Forum | Thu Apr 18 17:29:00 EDT 2002 | dason_c
The industrial standard is follow the R.O.S.E test as a guideline per J-STD-001 and the limit is 10ug/sq. inch. Different tester with different equivalent factor with the ROSE and you can refer back to the manual, the Zero Ion tester with equivalent
