Electronics Forum: speed curing (Page 1 of 6)

Removing over-cured peelable mask (Wave Solder)

Electronics Forum | Fri Sep 14 07:46:34 EDT 2018 | charliedci

If it is "wondermask" made by Techspray, it is supposed to be water soluble. It being overcured (we have experienced this before), water will not touch it. We used acetone which softened it up to remove it with an orange stick. We apply it ourselves

Re: RTV Cure Questions

Electronics Forum | Thu Jun 22 16:48:17 EDT 2000 | MikeF

Most RTV's depend on atmospheric moisture to cure. You can put them in an oven with a pan of water and that will speed up the cure. I'd suggest about 150 to 180 degree F, time period to depend on the thickness of the RTV. You'll have to do some tests

RTV Cure Questions

Electronics Forum | Thu Jun 22 09:31:21 EDT 2000 | Rich Ziebell

All, Can anyone point me in the right direction for (sources of info) various ways to quickly cure RTV or atleast speed up the process. Our requirements are to use Dow Corning 3145 hi-temp RTV. I have tried contacting the manufacturer but am losing

Underfill Process

Electronics Forum | Wed Jan 22 15:50:23 EST 2003 | davef

Some people run underfill through their reflow oven set with a normal recipe, but at breakneck speed. We think that might not produce the cure that we'd like to obtain. We'd don't use our reflow oven because we don't want to given-up the time to

White Hazing under the solder mask of a through hole board

Electronics Forum | Sat Nov 08 09:42:22 EST 2003 | ethercom

Hi: I have seen this problem before. It is caused by improper curing of solder mask by the fab manufacturer. When you run the board thru' wave solder, and then wash the board, you see the problem of white residue. However, when you apply heat, you c

Re: conformal coating after rework

Electronics Forum | Wed Jan 27 09:00:56 EST 1999 | Chris Fontaine

I have boards coated with Humiseal 1B73. At a late point mfg. site we need to remove a series of 0603 resistors for optioning purposes. I have been trying to determine the fastest, easiest way to re-coat the pads after removal. Drying time of the

Bottom side process question

Electronics Forum | Wed Mar 14 18:17:40 EST 2001 | mparker

Some thing to watch out for is the cure spec for the adhesive. Will that match with your solder paste reflow spec? You will have two dissimiliar materials going through endothermic reactions at the same time. You could end up with under cured adhesiv

Re: conformal coating after rework

Electronics Forum | Fri Jan 22 14:31:14 EST 1999 | Dave F

I have boards coated with Humiseal 1B73. At a late point mfg. site we need to remove a series of 0603 resistors for optioning purposes. I have been trying to determine the fastest, easiest way to re-coat the pads after removal. Drying time of the c

Re: Cure/Reflow Profile

Electronics Forum | Wed Feb 23 00:16:23 EST 2000 | Finepitch Services

Sal, Jax has a good point about utilizing your multi-profile oven and switching to a different profile. However, since some ovens cause trouble while cooling off and stabilizing, I will assume you do have to use the same profile for whatever reason.

Re: Cure/Reflow Profile

Electronics Forum | Wed Feb 23 00:16:23 EST 2000 | Finepitch Services

Sal, Jax has a good point about utilizing your multi-profile oven and switching to a different profile. However, since some ovens cause trouble while cooling off and stabilizing, I will assume you do have to use the same profile for whatever reason.

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