Homebrew PCBs

After transferring the toner to the copper board is it necessary to 
do the etching right away?  Or can it wait a day or more?

Mike

On Sat, 25 Sep 2004 19:18:11 -0000, upand_at_them  
<upand_at_them@...> wrote:

> After transferring the toner to the copper board is it necessary to
> do the etching right away?  Or can it wait a day or more?
>
> Mike

I think it can be stored longer. i have once waited a day but usually put
it in immediately.
ST

Hi Mike,

The time between toner transfer and etching only depends on how and where
you store the board.
Dont forgot that copper oxidates easely and this oxide is a 'not' to the
etching process.
If you really need to store the board try some sort of sealed box (like
tupperware or alike) or the thin plastic film used in kitchens to preserve
food.

Nuno T.

-----Original Message-----
From: upand_at_them [mailto:upand_at_them@...]
Sent: s\ufffdbado, 25 de Setembro de 2004 20:18
To: Homebrew_PCBs@yahoogroups.com
Subject: [Homebrew_PCBs] Toner transfer method


After transferring the toner to the copper board is it necessary to
do the etching right away?  Or can it wait a day or more?

Mike






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