Electronics Forum | Tue Feb 29 21:53:46 EST 2000 | Kelvin Chow
Dear Robert, On PBGA assembly, BGA sphere shrinkage number depends to the following factors, a. BGA Sphere size (before reflow) b. Solder mask opening diameter As far as I know, no formular has been established yet. Most of my friends just collect
Electronics Forum | Fri Jul 20 15:53:57 EDT 2001 | davef
Bowing to jokesters with comments about cake, in-laws that drink all their beer, musician friends, and whatnot; I'll push forward. What do yall do to manage the life and contamination level in the sponges that hand soldering operators use to clean t
Electronics Forum | Tue Nov 10 12:06:59 EST 1998 | Steve Herring
Larry, We place QFP240's all the time with our 2 IP-3's. If you provide your e-mail or fax number, I can send you the PD that we use for our QFP's. Steve | Here is a good one for ya. Our IP3's MTU will not pick QFP240's out of cavities, 10, 12,
Electronics Forum | Thu Nov 12 18:08:38 EST 1998 | Steve Abrahamson
Larry, We once had a problem in which the IPIII would pick on one area of the tray and not on another. It turned out to be the vacuum hose. There was a small crack/cut in the hose, and when the robot (and attached hose) was in a particular positio
Electronics Forum | Thu Nov 12 18:39:10 EST 1998 | Phillipf fHunter
| Here is a good one for ya. Our IP3's MTU will not pick QFP240's out of cavities, 10, 12, 13, 15. This is a 3X8 tray. The listed cavities are also the closed cavities that are used for tray eject. There is plenty of vaccum, the nozzle comes down
Electronics Forum | Wed Nov 04 12:01:28 EST 1998 | Michael Bryant @ SMTnet
Geez Jeff, your making me blush. Thanks a lot for the comments, it's nice to be appreciated. If you have any ideas on how we can make the home page or other parts of the site even better, please share them with us. Thanks again. | To the site bui
Electronics Forum | Thu Oct 31 08:39:35 EST 2002 | Jim M.
There is an old saying that i try to follow called "Your Price is too high" "It's unwise to pay too much, but it's unwise to pay to little.When you pay to much, you lose a little money, that is all. when you pay too little , you sometimes lose every
Electronics Forum | Fri Feb 21 20:01:14 EST 2003 | MA/NY DDave
Hi This is a good one. Let me take a stab at it. First remind me, why is this air coming in carrying a charge. I think I remember yet it is always fun. Also hopefully it isn't carrying any compressor oils. There are some companys that make other t
Electronics Forum | Fri Nov 11 10:19:35 EST 2005 | davef
0.3 mg/l) is a �hazardous substance containing waste�. Disposal permitted only in controlled landfills, mfrs. pay extra costs (Waste Disposal and Public Cleansing Laws). * South Korea: Korean Electronics Industry Declaration to Manufacture Environmen
Electronics Forum | Fri Jan 13 09:02:38 EST 2006 | chunks
Please, don't give em' a soap box to preach from. Now, back to No-Lead. Has anyone else out there thinking about the higher emmisions you're company will pump out due to higher temps? Just wondering. I can see the "No-Lead Brain Trust" sitting ba