Electronics Forum: stop baking boards (Page 1 of 108)

Re: Peelable solder stop

Electronics Forum | Tue Dec 29 17:42:27 EST 1998 | Dave F

| Can anyone recommend a solder stop that can be applied by our PCB supplier. Our current material form Tamura Kaken is causing problems. | | The material should be capable of withstanding 1 Surface mount IR reflow cycle and 1 wave solder cycle. | W

component baking

Electronics Forum | Fri Aug 16 18:23:48 EDT 2002 | kenbliss

Hi Dave Interesting points. If I understand you correctly 1. about 2% of part numbers have a moisture problem 2. Packaging frequently comes in with expired dates on them. This seems hard to believe you would accept them. 3. To really solve the

BGA baking

Electronics Forum | Sun Mar 20 14:47:29 EDT 2011 | floydf

We are going to be placing BGAs for the first time, and I have some questions. Is it recommended top bake all of the boards and all of the BGAs before production? I have had good luck baking boards that didn't wave solder well. It usually turns out

Re: Is baking PCB necessary before solder process?

Electronics Forum | Wed Jul 28 20:56:58 EDT 1999 | Dave F

| Currently, we are baking any PCB before process on SMT, the 'reason' is to dry any possible humidity that could be inner the PCB, it does not matter if the PCB is multilayer or not. We bake PCB's at 107C for 4 hrs and the board must be process into

Micro BGA baking

Electronics Forum | Mon Aug 13 17:38:05 EDT 2001 | fmonette

Praveen, Once you find out the MS level of your components, you will need to track the exposure time from when the parts are initially removed from their dry bags, through test, programming, taping, and during subsequent dry storage and use of thes

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

Bare PCB baking

Electronics Forum | Wed Nov 20 16:53:18 EST 2002 | davef

Q1: How important is the bare PCB baking ? A1: Baking boards is a non-value added activity. Q2: What is the temperature for baking @ what RH ? A2: Search the fine SMTnet Arcives for bake recipes. Q3: What would be the impact for the ENTEK finishe

Bare PCB baking

Electronics Forum | Tue Nov 19 02:59:24 EST 2002 | yngwie

Hi Experts out there, pls help me with the following matters. How important is the bare PCB baking ? What is the temperature for baking @ what RH ? What would be the impact for the ENTEK finished board should the baking is really necessary ? For t

baking boards, revisited

Electronics Forum | Wed Oct 02 20:59:23 EDT 2002 | davef

We�ve been stewing on this and it just dawned on us the part that�s missing. Blow-holing is caused by BOTH of the following: * Moisture absorption by the resin that holds the board together. [Steve is addressing this with his various baking schemes

baking boards, revisited

Electronics Forum | Tue Oct 01 20:56:48 EDT 2002 | davef

Hey Steve, You shouldn't bake your boards, because it's a bandaid for bad fabrication, packaging, storage practices, and what not. You really should go back to the source of the problems and fix that so that you don't add non-value-added costs to

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