Homebrew PCBs

Why don't top-post? saves us all a lot os useless scrolling and searching  
for the reply.
If you reply in one paragraph, and not several mixed in with the OP,  
top-posting seems perfectly acceptable (even better) to me and ther is no  
rule against it that i'm aware of.

I'm not sure the tinnit and other electroless stuff would make a thick  
enough plating to work as resist.

ST



On Wed, 29 Mar 2006 02:59:31 +0200, Len Warner <yahoo@...>  
wrote:

> [Please don't top-post]
>
> [Please _do_ trim your quotes]
>
>
> Your understanding is correct and that is one such product,
>
> which applies a tin coating by purely chemical means..
>
>
> However, if you had been attendiing to this thread you might
>
> have understood that it is about applying a tin plating as an
>
> etch-resist _before_ etching. This is done through a developed
>
> photo-resist or similar while the copper foil is still intact, so
>
> there is no need to use an electroless plating solution.
>
>
> After etching, the tin layer may then be chemically stripped.