Electronics Forum | Wed Feb 07 21:56:00 EST 2001 | davef
Every critter out there with large incisors adapted for gnawing and nibbling has a different theory of solder ball formation. [My theory: It�s punishment for using NC fluxes. Stand and deliver. My solder balls end-up in the gross filter connected
Electronics Forum | Sat Dec 12 12:03:59 EST 1998 | Dave F
| DO you know of an Industry Standard that describes solder paste geometries requirements? | Lyle: The industry standard that describes solder geometries requirement is IPC-A-610. There is no industry standard that describes how solder paste shoul
Electronics Forum | Wed Sep 23 20:48:03 EDT 1998 | Dave F
| Konichi wa "SMT-netter" sans... | I've been on a fruitless search for some board mount, micro BGA sockets...I don't think they're out there yet, but I don't know for sure. | Found a lot of test and burn-in sockets for CSP's (at more than $1,000 pe
Electronics Forum | Thu Sep 10 21:48:37 EDT 1998 | Dave F
| I'm very familiar with the great board space savings of BGA and all the "claims to fame." However, can someone out there tell me if any concern exist in the inspection realm. Additionally, solder cracking, CTE/TCE mismatches, no leads for stress re
Electronics Forum | Tue May 13 20:48:10 EDT 2008 | davef
Rob On your thermal recipe: Above liquidous for nearly 2 minutes seems to be a scoush long. Not sure you're doing anything positive with things like that. On the article: * SMT Magazine, October, 2002, p24 'Q & A: BGA Dewetting' * "Q: Our manufactu
Electronics Forum | Mon Jun 07 13:51:48 EDT 1999 | Dave F
| | We are changing from through-hole to SMT, wondering what pitch requirements would an 8 pin SOAC require for pick and place? We think that this would be our finest pitch part. | | | | | | | John: Never heard of an "SOAC." SO packages are 50
Electronics Forum | Mon Jun 07 20:12:42 EDT 1999 | John Martell
Thanks for the advice, I'll check out that site. | | | We are changing from through-hole to SMT, wondering what pitch requirements would an 8 pin SOAC require for pick and place? We think that this would be our finest pitch part. | | | | | | | |
Electronics Forum | Sat Oct 02 20:19:19 EDT 1999 | John Dwinell
| | I am currently in the middle of a company wide war and I'm looking for data (AMMO). Here are the problems: | | | | 1) I am looking for anyone who has done or seen any reports on Thermal Shock to smt parts and/or via holes caused by Soldering Ir
Electronics Forum | Mon Aug 14 18:24:36 EDT 2000 | Dave F
James: Here's a starting point: 1 www.wwnet.net/~rkroy/wp-inb.html 2 www.sas.com/otherprods/jmp/Home.html 3 www.micromeg.com/ 4 Boeing SQC (avail. from Boeing for $100) is a good little package for DOS machines. 5 For Windows, SPC KISS from Air Aca
Electronics Forum | Mon May 21 17:34:22 EDT 2001 | davef
Continuing the line of Michael's, the previous poster, comments ... The more Krispy Kremes, the better. Yeth!!! The more beer, the better. Yeth!!! The more epoxy, the better. Uh, I don think so!!! We look at this from a papa bear, mama bear, bab
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