Electronics Forum: pcb baking prior to rework (Page 1 of 3)

PCBA baking prior to rework

Electronics Forum | Mon Oct 14 18:27:38 EDT 2002 | kennyg

In regards to baking an assembly prior to hot air (BGA) rework.... 1) Do people always bake, sometimes or never? Does this depend on whether MS sensitive components are near the rework site? If a BGA is to be removed and reballed, baking is a no-br

PCBA baking prior to rework

Electronics Forum | Tue Oct 15 10:12:44 EDT 2002 | davef

1) Do people always bake, sometimes or never? Does this depend on whether MS sensitive components are near the rework site? If a BGA is to be removed and reballed, baking is a no-brainer. Sometimes, based on the proximity of the MS components. >2)

PCB baking for rework

Electronics Forum | Tue Jul 16 00:53:39 EDT 2002 | kennyg

What is a typical time/temp baking cycle for an assembly prior to BGA rework? This bake is intended to prohibit PCB or nearby component damage as well as protect the component being removed for reball. A 24 hr bake at 125C would be great, but often

Baking prior to conformal coat

Electronics Forum | Mon Aug 01 18:50:46 EDT 2005 | crishan

Hi Cecil, We using conformal coating in our manufacturing area, we did use to use Humiseal, others have been Bectron and Peters. We recentalt switched all lacquering to Peters, since it is lead free and it is a lot friendly than Humiseal. To answer

Re: Baking FR-4 PWB's prior to reflow

Electronics Forum | Wed Mar 29 04:14:49 EST 2000 | Marc

Charlie B: You mentioned that you have an air conditioned environment and a RH 0rf 50, baking the boards is predominately done when the history of the PCB delivery and / or previous storage conditions are un known. When I was with a CM, we did this a

baking boards, revisited

Electronics Forum | Fri Oct 04 11:34:42 EDT 2002 | Bob Willis

Some additional comments from a paper may be of interest. Baking Printed Circuit Boards - Why and How Baking printed boards prior to conventional and surface mount assembly should not be necessary. Often boards are baked for historical reasons; in

Re: Questions regarding rework

Electronics Forum | Tue Dec 08 17:55:51 EST 1998 | Dave F

1. What is the best way to remove polyurethane conformal coating from selected areas? Your conformal coat material supplier is best equipped to tell you how to remove the coating. Polyurethane conformal coating is not easy to remove. Without in-pu

LGA component rework process on SRT machine

Electronics Forum | Fri Jun 04 11:54:22 EDT 2021 | cbart

We do this quote often with our older Summit machine. there are a few ways to do this. all of these are assuming you have parts on the boards already and are working around them. 1- if you have a good tech that can add solder to the pads on the PCB a

To bake or not to bake?

Electronics Forum | Sat Sep 26 22:08:07 EDT 1998 | Jeff Sanchez

I recieved a pack of sensitive IC's that said they needed to be baked befor certain processes. If I need to do rework, do I have to bake prior to single soldering of these IC's. Or can I just place one as needed by hand with out baking? Any info woul

Re: To bake or not to bake?

Electronics Forum | Mon Sep 28 08:35:15 EDT 1998 | Earl Moon

| I recieved a pack of sensitive IC's that said they needed to be baked befor certain processes. If I need to do rework, do I have to bake prior to single soldering of these IC's. Or can I just place one as needed by hand with out baking? Any info

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