Homebrew PCBs

----- Original Message ----- 
From: "niponcio" <niponcio@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Saturday, February 02, 2008 5:18 PM
Subject: [Homebrew_PCBs] Sealing Toner with a Hot Air Gun - Sponge Rubbing


> Hi, I remember reading in a post, a while ago, that after transfering
> the toner to the PCB, u could seal it with a heat gun, eliminating the
> porous surface, getting the same results as with the green TRF Foil.
>
> Ive been searching for that post but I cant find it.
>
> My questions are:
>
> 1.- Does this sealing method will work with the sponge rubbing etching
> technique.
>
> 2.- If so, at what  temperature should I set the gun, and for how long
> (how do I know the toner is sealed).

Something else that might work is exposing it to the vapour from a solvent. 
This has been used for increasing the density of transparencies created with 
a laser printer. It's probably easier than using hot air.

Leon
--
Leon Heller
Amateur radio call-sign  G1HSM
Yaesu FT-817ND transceiver
Suzuki SV1000S motorcycle
leon355@...
http://www.geocities.com/leon_heller