Electronics Forum: hi--we (Page 6 of 48)

Cleaning BGA

Electronics Forum | Wed Oct 12 20:55:53 EDT 2005 | mikaelsuhairi

Hi We have BGA sockets that are soldered on our PCB which required cleaning? Anyone have any solution as for now we just use compress air jet to clean it. We found this is not effective in the long run. Any comment?

Electra Manuals

Electronics Forum | Mon Oct 24 17:47:43 EDT 2005 | Splice

Hi, We have a used Electra that was purchased a couple of years back. Due to a lack of Manuals the machine is serviced in a breakdoen maintanence mode. Would anyone be having an extra set of manuals or a CD-rom? Thanks, Splice

BGA inspection microscope

Electronics Forum | Thu Dec 01 19:06:37 EST 2005 | IRAS

Hi, We are looking for a BGA inspection microscope. We had looked at one with a prism method trying to found a vendor for a fiber optic scope. I'm not sure which one is best. Any recommendation and suggestion would be appreciated. Thanks. IRAS

Gold Surface Finish on PCB's

Electronics Forum | Thu Dec 08 08:18:29 EST 2005 | grantp

Hi, We have recently moved to flash gold as well, as we had solderability issues with emerson gold, and this was supposed to be a solution. However I did not know flash gold would be thicker, and could have other issues. Is flash gold a stable boar

Grid lok system

Electronics Forum | Thu Feb 16 03:43:54 EST 2006 | aj

hi, we tried to introduce form-flex a few years back and it caused more problems than it fixed. Switched back to pins and no problems. It might have improved since but I would be reluctant to get them again unless I was given a 6 month trial!! aj


Electronics Forum | Fri Feb 17 05:15:12 EST 2006 | nemachines

Hi We came across a Mydata pick & place TP9 1993 model, We are looking for more infomation on this Model. ie :- Component sizes(From - Too ), centering device For this age machine are they any good. Thx

Voids found

Electronics Forum | Thu Mar 02 04:44:48 EST 2006 | EC

Hi, We found voids on BGA. Understand IPC stated as long as not more than 25% should be fine. So, is there any standard stated how many voids in BGA can be allow. Appreciate your help......

Heat Sink for QFP

Electronics Forum | Fri Mar 24 14:06:07 EST 2006 | mdemos1

Hi. We are designing in a 128 pin LQFP that has a heat sink in the center of the package. The size of this is 7.44 by 7.55 mm. Can anyone recommend what pad size should be on the board for this? How about stencil aperture/pattern? Thanks, Mike.

sot363 placement issues

Electronics Forum | Sat Apr 15 16:49:53 EDT 2006 | ausajid

hi we had also the same problem a time ago on the said package. we have taught his legs as 1, 3 and 5 instead of 1, 3 and 4 or 6. after doing this 98% problem solved. try this method...

Automatic In-line Depanelizer

Electronics Forum | Tue Apr 18 11:57:16 EDT 2006 | Ravi

Hi, We are using Cencorp BR1000 model routing m/c. The m/c is very good. If you need some information please mail me ravi@autroncorp.com.