Electronics Forum | Wed Nov 14 20:30:26 EST 2001 | davef
Tks. So was the answer that you got close? [ala "Car Talk"] Some guy from Cal-fornie sends me spill. I get cigars from � Yeh, I know I hog the responses, but I learn by doing this. If I can communicate in print, I can better communicate in word
Electronics Forum | Wed Nov 14 08:29:32 EST 2001 | dxiong007
Hi DaveF, Thanks for your suggestions. You are good man! Couple of years ago, I asked a question in this Forum, you are the first one gave me help. I also read many topics almost all of them have your comments and suggestions. I think in all those y
Electronics Forum | Mon Jan 24 22:28:57 EST 2005 | davef
In addition to the potential problems you mentioned, add: * Barrel cracking of PTH and via. * Lifted pads. * Warped boards. And the reason you're not using a solder fountain to to solder this connector is? Or use an old trick we've done here on SMT
Electronics Forum | Tue Sep 09 10:36:35 EDT 2008 | davef
We'd use a hot air gun like a Leister [800-700-6894 http://www.hotairtools.com/products.htm] hot air soldering tool with a nozzle for your connector. We have no relationship, nor receive benefit from the company referenced above.
Electronics Forum | Tue Nov 13 19:52:47 EST 2001 | davef
1800??? That's not a Mictor part number. Huh? What??? Haaaa!!!! You gotta do what???? 1800 ofem??? Haaaa!!!! Sorry. It�s simple. Just ... * Cut all the SMT gull wing leads on both sides of the connector just above the solder. * Put the co
Electronics Forum | Tue Oct 29 15:55:16 EST 2002 | babe
If you are using a low end hot air system IE: Weller, Hakko or Pace then your problems are with the system and not necessarily with your process. However process is important. We have found by inspection with an Ersa Scope (BGA inspection system) tha
Electronics Forum | Thu Aug 19 04:42:50 EDT 1999 | Earl Moon
| | OK folks, let's get real serious. | | | | Well, I shot off my big mouth yesterday during a scheduling meeting concerning DFM and rework. Again, what an irony, oxymoron, or that other thing. | | | | Anyway, I said it would take another 4 weeks t
Electronics Forum | Fri Aug 13 11:21:15 EDT 1999 | Earl Moon
| | Ladies and Gentlemen, | | | | As a newly appointed DFM/CE "guru" here, one of my responsibilities has become repair (of course). As I have some knowledge of BGA repair/rework using semi-automated equipment, it naturally follows I would hav treme
Electronics Forum | Sat Aug 03 01:40:24 EDT 2019 | sarason
I own a metcal for the high precision work 1500$ in 1992 tips $60 in 1992 and have only used one tip in all that time, have horses holves for large pin devices, precision points for 0402 and a largest tip for service work. Also have Hakkos for bulk
Electronics Forum | Thu Jan 07 16:46:05 EST 1999 | Steve Gregory
Hey ya'll!! SUCCESS! I was able to get that monster off!...(Now I just gotta' be able to get it back on right...hehehe) If you remember, the whole reason I had to rework it was because somehow they got the hole positions wrong in the board for
