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Mike, I don't remember the original post, but if Bob was looking for an
evaluation pattern for polymer inks, the TF-870 has one specified and we
have the film.
Dave
On Wed, 17 Apr 1996, Mike Buetow wrote:
> Hi Bob,
>
> I don't know of any design patterns for carbon inks.
>
> A concern is placement, due to the electrical characteristics of the carbon.
> IPC-D-275, para. 5.5.3, specifies that conductive marking inks shall be
> permanent and isolated by spacing or coating from the balance of the
> circuitry.
>
> Mike Buetow
> IPC Tech Staff
>
>
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