Electronics Forum | Wed Mar 24 11:28:45 EST 2004 | Mika
Hi, Why don't You contact Universal GSM tech specialists on this one? Just pick up the phone and explain Your problem and they will help you: Customer Support Center 1-800-842-9732 or 607-779-5000. There is also tech documents on their web site tha
Electronics Forum | Fri Mar 05 06:50:58 EST 2004 | t_white
Does any one out there have any experience with this machine? If you do, what are some pro's and con's associated with it? There are not to many of these installed in the U.S. so hopefully someone across the pond can give me some feedback. BTW...W
Electronics Forum | Fri Mar 05 22:49:42 EST 2004 | Bryan She
Hello all, recently,I met a voiding issue in board to BGA ball joints. I've checked so many threads in this forum,but I can't find one which is really useful perhaps.Is there anyone who also met this issue,and then,in the end, succesfully get rid of
Electronics Forum | Sat Mar 06 02:54:25 EST 2004 | tommy
1)Solder paste selection 2)Reflow profile.Focus on soaking and TAL. 3)Moisture control for BGA. 4)Maybe the BGA solder ball already with void. 5)PCB design.Any via on bga land? 6)Solder masking type. 7)Solder paste volume apply on land. 8)IPC class 3
Electronics Forum | Sat Mar 06 06:15:14 EST 2004 | Bryan
Thanks Tommy. In fact I've tried many types of profile,but it didn't work.I'll try to make the peak temp. as low as 205C and dwell long as in some threads Dave said.I've tried baking the BGA and PCB before mounting also dindn't work.yes,I've heard th
Electronics Forum | Tue Mar 09 22:20:16 EST 2004 | Ken
Is this a PBGA? If yes. run a flat steel rule or edge across the top of the PBGA. Is it flat or cupped? Is this a TBGA (super bga). I have seen issues with a suppliers heat spreader design that actually will deflect the corners down and raise the
Electronics Forum | Mon Mar 08 11:18:42 EST 2004 | Dave Euser
Hi everyone....I'm a student working on a short research project on industrial control algorithms - and part of the scope that we are looking at is SMT pick and place machines. I was wondering if anyone knows what type of control is used for the no
Electronics Forum | Mon Mar 08 14:39:54 EST 2004 | Gabriele
Have you considered those Tant Caps could be moisture Sensitive Components ? During last year, several Brand Suplliers classified their Tant Caps as Moisture Sensitive Level 2a (4 wks out of dry pack before reflow, see J-STD-033a) some even MSL:3
Electronics Forum | Wed Mar 10 04:52:11 EST 2004 | Gabriele
Hi As I know PBGA reballing is not recommended or better not allowed by all the most important Standards. Exceptionally Cstly Ceramic BGA or Ceramic ColumnGA where you can perform electrical test before reballing (90/10 ball/column-balls made) some
Electronics Forum | Wed Mar 17 19:57:08 EST 2004 | Dreamsniper
Do you wanna save the BGA or what? Do you have an electric stove, baking tray and a BBQ clip? Does your wife love cooking? if u have one of each, then u don't need a reflow oven which is too expensive and you don't need to buy heating guns or drill p
