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Black pad

Views: 4926

#64844

Black pad | 17 August, 2011

Hey all need your input, this looks like classic black pad to me. what do you think?

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#64848

Black pad | 17 August, 2011

If looks were the measure, we'd say, "Hail yes, it looks like black pad." The determination of black pad or not is best done in a laboratory.

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#64853

Black pad | 18 August, 2011

Do you happen to know of any good labs for this analysis?

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#64857

Black pad | 18 August, 2011

Here are a few labs that would be good starting points: * Robisan Laboratory; 6502 East 21 St, Indianapolis, IN 46219; 317-353-6249 F357-1270 Susan Mansilla, Technical Director robisan1@aol.com * Trace Laboratories - East; 5 North Park Dr, Hunt Valley, MD 21030; 410-584-9099 F9117 tracelab@connext.net http://www.tracelabs.com

* STI, 102 Tribble Drive, Madison, AL 35758 256-461-9191 f256- 461-9566 stielectronicsinc.com Mark McMeen * UIC, Martin K. Anselm, Ph.D., Manager, Analytical & Failure Analysis Services 607-779-5077 Anselm@uic.com

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#64858

Black pad | 18 August, 2011

STI is now at 261 Palmer Road Madison, AL (moved a couple of years ago).

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#64860

Black pad | 18 August, 2011

Thank guys, appreciate the help.

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#64861

Black pad | 19 August, 2011

I've been seeing a lot of product come in with what appears to be black pad lately. I've sent stuff out to labs to be told there is no contamination. Contamination or not solder won't wet to it. Regardless of what it is we have a method to remove it. Contact me if you want to discuss in detail.

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#64870

Black pad | 19 August, 2011

I'm still sold on the "black pad" model. The price of gold should be a good indicator of what is happening. The gold plating solution is being used well past its life and plating times are stretching. Extended time in the plating solutions is a long accepted cause of black pad.

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 Reflow System

Plasma prior Conformal Coating