[SI-LIST] : Solder resist coatings

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From: Ken Taylor ([email protected])
Date: Tue Mar 06 2001 - 22:26:05 PST

Can anyone tell me, or refer me to a source of data, about typical dielectric constants, thickness, and lossiness of solder resist coatings.

I would also welcome input on the application methods of the coatings, whether they result in a uniform coating thickness over the copper and laminate surface, or does the application process result in a plane surface (as if the coating was applied in a flood), or something inbetween. In fact, any information at all, or a source of information, will all be most gratefully received.

Thanks all.

Ken Taylor
Polar Instruments, Portland, OR.
503 356-9001

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