Why etc.

From: Marvin <marvin_at_rain.org>
Date: Mon Mar 13 02:21:58 2000

Allison J Parent wrote:
>
> None should be used unless extreme measures are required. The gold
> plating is only 100u and can be rubbed right off. If you wear through

100 microinches is pretty thick gold and was perhaps more likely to be used
on older boards. From the time I got involved with the printed circuit
industry (1977), the standard has been more like 30 - 50 microinches.
Received on Mon Mar 13 2000 - 02:21:58 GMT