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Subject: Re: [Homebrew_PCBs] Re: Vintage PCB toner transfer problems

From: Harvey White <madyn@...>
Date: 2017-07-10

On Mon, 10 Jul 2017 15:16:07 +0000, you wrote:

>I first used toner transfer paper purchased at Digikey over 20 years ago.
>Discovered the whole process to be RUBBISH...

The clear film transfer is something I've not had a lot of luck with.
The Pulsar paper, once you understand the limits of the process, will
work.
>
>So it seams still is.
>Digikey discontinued to carry it after everyone else failed too.
>I get 98% success with presensitsed photo etch with a clear positive image on film.
>

Photoetch is the best method, but it has problems as well, a good
opaque pattern is key, and a good coated board is also key.

Harvey

>-
>
>Don Matthys
>dba Don's Light and Magic
>www.dlmparts.com
>don@...
>
>John Adams wrote that the Fourth of July "...ought to be celebrated by pomp and parade, with shows, games, sports, guns, bells, bonfires, and illuminations from one end of this continent to the other..."