On Fri, 03 Jun 2005 21:06:59 +0200, Tony Harris <
kg4wfx@...> wrote:
> Ok, next stupid question...
> Let's say I drill all my holes, and plate.
> Now I take it to etching - how do I protect my thruholes from being
> etched away? Also, if I am doing toner transfer, do I
> transfer the toner - drill - plate then etch?
> -Tony
You must laminate dry film resist, it tents the holes.
TT and THP could perhaps be done by plating tin as resist over the copper,
but i dunno if negative TT and plating in the "gaps" works well.
ST