Electronics Forum: de-wetting (Page 1 of 7)

De-wetting

Electronics Forum | Mon Jul 28 05:48:17 EDT 2008 | mattkehoe

What could be the main reasons for De-wetting in > reflow process. Can anybody answer Normally it is a contaminated surface finish.

De-wetting

Electronics Forum | Tue Aug 17 04:12:32 EDT 1999 | Scott J

Can anyone help on the subject of de-wetting during the spray coating process. We use PC29M Parts A+B spray coating material, Humiseal tapes and masking dots, Marigold supertouch V70N gloves and Concoat CM533 liquid masking material. We also use a Ko

Re: De-wetting

Electronics Forum | Tue Aug 17 13:32:13 EDT 1999 | Brian

| Can anyone help on the subject of de-wetting during the spray coating process. We use PC29M Parts A+B spray coating material, Humiseal tapes and masking dots, Marigold supertouch V70N gloves and Concoat CM533 liquid masking material. We also use a

TAL during reflow

Electronics Forum | Mon Feb 13 13:43:54 EST 2006 | pjc

You will begin to de-wet at a high TAL and actually likely see all of the conditions you list.

Lead Free De-Wetting...

Electronics Forum | Mon Apr 28 11:27:14 EDT 2008 | vortex337

Thanks, I will give it a try this afternoon.

De-wetting

Electronics Forum | Mon Jul 28 11:22:46 EDT 2008 | blnorman

Iagree with Matt, normally caused by pad surface contamination. Out of curiosity, what is the PCB metallization?

Is %Sn related to de-wetting?, Help!

Electronics Forum | Wed Dec 19 09:56:20 EST 2001 | guicho_v

I'm new in SMT world, and I've got my 1st challenge: I'm having de-wetting issues with a specific IC 160 pins MQFP (six location, failure is random), where one pin has de-wetting (solder reflow OK, and there is evidence of having contact the past and

Is %Sn related to de-wetting?, Help!

Electronics Forum | Wed Dec 19 10:21:16 EST 2001 | davef

Crank-up the volume. Look here for a similar discussion http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=4735&#Message18380&

Immersion Gold over Nickle de-wetting problem

Electronics Forum | Fri Mar 07 15:07:50 EST 2003 | davef

YiEng, MA/NY DDave: Usually when the gold plating bath goes south, you loose solderability.

Immersion Gold over Nickle de-wetting problem

Electronics Forum | Sun Mar 09 19:55:56 EST 2003 | iman

Which specific title books from under your pen, would you recommend for the avid process reader/learner? specific - talking about info/process/data wealth books, and not which books give the most royalties *grinz*


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