Electronics Forum: unwanted reflow during bga rework (Page 1 of 11)

BGA collapse during reflow

Electronics Forum | Mon Jul 12 09:13:08 EDT 1999 | Mark Charlton

I need some advice concerning reflow of a BGA-292. Since I am not ready to change my entire process to no-clean, I decided to place the lone BGA-292 on a proto run using our BGA re-work station. The pcb is a moderately dense, single-sided, 8-layer

Re: BGA collapse during reflow

Electronics Forum | Mon Jul 12 12:39:39 EDT 1999 | M Cox

| I need some advice concerning reflow of a BGA-292. Since I am not ready to change my entire process to no-clean, I decided to place the lone BGA-292 on a proto run using our BGA re-work station. The pcb is a moderately dense, single-sided, 8-laye

Re: BGA collapse during reflow

Electronics Forum | Wed Jul 14 14:05:52 EDT 1999 | KT

| I need some advice concerning reflow of a BGA-292. Since I am not ready to change my entire process to no-clean, I decided to place the lone BGA-292 on a proto run using our BGA re-work station. The pcb is a moderately dense, single-sided, 8-laye

Re: BGA collapse during reflow

Electronics Forum | Mon Jul 12 12:28:10 EDT 1999 | Wolfgang Busko

| I need some advice concerning reflow of a BGA-292. Since I am not ready to change my entire process to no-clean, I decided to place the lone BGA-292 on a proto run using our BGA re-work station. The pcb is a moderately dense, single-sided, 8-laye

Re: BGA collapse during reflow

Electronics Forum | Mon Jul 12 10:21:06 EDT 1999 | Earl Moon

| I need some advice concerning reflow of a BGA-292. Since I am not ready to change my entire process to no-clean, I decided to place the lone BGA-292 on a proto run using our BGA re-work station. The pcb is a moderately dense, single-sided, 8-laye

Use lead-free alloy wire during rework for Leaded Process

Electronics Forum | Wed Nov 01 07:32:33 EST 2006 | davef

What you have run up against is the unfortunate consequence of the transition period from Sn-Pb to Pb-free. In the past 2-3 years there have been several studies highlighting the differences in reliability between mixed metal systems, Sn/Pb, and SAC

BGA rework

Electronics Forum | Fri Mar 13 16:38:57 EDT 2009 | hegemon

'Hege is checking in for the DRS25 by Air Vac. Forced Air Convection reflow, and huge heating capacity for bottom side, ensuring minimum Delta T across the PCB during the process. Have 3 of these machines constantly in use for the last 2 and a half

smt rework

Electronics Forum | Wed Nov 15 15:51:21 EST 2006 | RJ K.

I have been looking into buying a rework station like ERSA or PDR. What I am questioning is how well will these systems reflow BGA's with metal top/cover that are reflective. In addition, when preheating the board would dark body packages absorb te

BGA rework rate

Electronics Forum | Thu Feb 10 09:09:30 EST 2005 | russ

99% (there will always be that one that gets jacked somehow). Your old placement equipmment may affect this by dropped parts that get underneath the BGA, etc.. hopefully the placement accuracy will at least get the parts halfway on pad and they will

Paste / Flux during rework?

Electronics Forum | Fri Aug 09 11:58:52 EDT 2002 | sam_b

Just started doing BGA rework. After the removal of the "old" component and after site cleaning/component reballing I am ready to install the component on the PCB. It is recommended to apply flux or paste to the board/component. I would appreciate m

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