HI ED,

PTFE ELECTROLESS PROCESSING MIRRORS FR4, HOWEVER, DESMEAR AND ETCHBACK
REQUIRES A DIFFERENT APPROACH, PLASMA ETCHBACK IS MOST EFFECTIVE, CHEMICAL
DESMEAR AND ETCHBACK IS ALSO AVAILABLE, NAMELY TETRA ETCH, WHICH IS A VERY
CONCENTRATED REACTIVE SOLUTION.

BEST REGARDS,
LENNY KURUP

On Tue, 21 Oct 1997, Ed Cosper wrote:

> Does this material process the same as standard FR 4 with respect to desmear and electroless?
> All help is appreciated.
>
> Ed Cosper
> Graphic Electronics
>
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