Electronics Forum | Tue Feb 25 19:52:35 EST 2003 | vicentedelgado
Hi, We are experimenting with BGA recovery and we would like to know When is BGA Reballing not recommended?
Electronics Forum | Fri Jul 21 13:37:35 EDT 2006 | Chunks
Stencil clog on BGA apps. BGA not reflowing all the way - check profile.
Electronics Forum | Thu Aug 24 10:25:49 EDT 2006 | wrongway
we use a stencil and aply paste to the BGA have used sticky flux but prefer pasting the BGA
Electronics Forum | Tue Nov 18 14:33:45 EST 2008 | stepheniii
Do you mean BGA reballing? If so, then not with a hot air gun.
Electronics Forum | Fri Aug 10 02:30:46 EDT 2001 | praveen
Hello Friends, Please advise how critical is the Micro BGA baking? The BGA size is around 7x7mm and we need to program it before mounting. The Micro BGA's are supplied in Trays and are put in to tape and reel after programming.We need to put these BG
Electronics Forum | Tue Feb 18 16:31:43 EST 2003 | arturoflores
Haran: Have you made improvements regarding your BGA shorts? We are facing the same problem and we think it is partly because the non coplanarity of the seating plane of the BGA which causes BGA balls to squeeze on one side of the BGA. Also, we ha
Electronics Forum | Thu May 15 07:37:49 EDT 2003 | pteerink
Have seen similar circumstances a couple times. Possible causes: 1) PCB defect - remove the BGA and inspect/test the PCB for shorts. ( trace short, layer short etc ) 2) PCB defect that only shows up when the BGA is populated - a short somewhere o
Electronics Forum | Thu Jul 31 15:29:25 EDT 2003 | bcceng
A couple of things you can look into 1. The proper bottom pre-heat of board. If you are applying only direct hot air to BGA without preheating can cause BGA's to warp and collapse un-even. 2. Moisture on you BGA's. If BGA's were not properly packa
Electronics Forum | Mon Sep 29 02:35:28 EDT 2003 | Sam
Hi Mantis. Has there been any changes in the BGA itself? One of our BGAs changed to a newer type, and after that we had problems with corner lifting. In that case problem was BGA's structure, there was mismatch in TCE between BGA's substrate and mo
Electronics Forum | Tue Dec 06 15:52:39 EST 2005 | pjc
There are quite a lot out there now: http://www.sapltd.co.uk/electronic_production/bga_scope/bga_scope.htm http://www.ocwhite.com/bga/ http://www.hirox-usa.com/bga.html http://www.jergensinc.com/infodir/catalog_asg.asp?GroupNum=175 http://www.sm
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