Read my full reply/description.
I do know that if you have gold, or silver plating, you will be stripping a few thousand atoms at a time from the vertical thickness, since, you see them darkening up the eraser. Also, it seems to get rid of any oxidizing layers. It's especially great at re-finishing gold-thinger edge card PCBs.
________ Brian G.
----- Original Message ----- From: "JaMi Smith" <[EMAIL PROTECTED]>
To: "Protel EDA Discussion List" <[EMAIL PROTECTED]>
Sent: Friday, November 26, 2004 3:51 PM
Subject: Re: [PEDA] Dielectric constant
Brad,
By using an eraser, you can do a very fine trim of the thickness of the trace, and
hence a very fine "tweak" of the electrical characteristics, especially if you have
a solder plate / HASL.
JaMi
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