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Everyone,
I have finally found a GREAT way to remove the "Staples Picture Paper" paper-residue from a pcboard, after doing the toner transfer step!
Now I just hope that I can identify what this material IS, that works so well.
I am using a type of handmade kitchen scrubbing pad, purchased a long time ago through one of my old software customers, which was made by a blind woman whom my customer knew.
At the time it was purchased, my wife was still alive. So she is actually the one who purchased these. However, I was present and did hear my customer and my wife talking about them. And I DO remember that they said that they were either MADE OF something called "Crinolin", or, were made of something LIKE something called Crinolin. And I am not sure of the spelling of the word "Crinolin". I also SEEM to recall hearing them say something about how crinolin might have been the material (or LIKE the material) that was used to make womens' old-fashioned petticoats!
It appears to be a very-loosely-woven, somewhat-rough, slightly-stiff type of fabric. In my case, the stuff used to make the scrubbing pad may even have been shaped more like yarn, as if it came on a roll instead of in a sheet, and was then just "woven" and/or knitted (or something) into the shape of a scrubbing pad.
But, anyway: This thing works GREAT!!!! Once the top layers of paper have been removed, I can use this pad to COMPLETELY clean off a 4" x 6" board in about 30 seconds, INCLUDING all of the drill holes and small spaces, with very little EFFORT!!
I had gotten very proficient at using a toothbrush, for this step. And this pad does the job in much less than 1/10th the time, with much less than 1/10th the effort.
Notes:
The material does feel slightly abrasive. HOWEVER, I could NOT get it to scratch the copper, even when pressing fairly hard.
I will email my old customer, to verify with her what the pad is actually made from. If I find out anything more than "crinolin", I will post it, here.
Good luck!
Regards,
Tom Gootee
http://www.fullnet.com/u/tomg-------------------------------------
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