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Subject: Re: Sealing Toner with a Hot Air Gun - Sponge Rubbing

From: "niponcio" <niponcio@...>
Date: 2008-02-03

Thnx for the replies, I am going to test it. Gonna try a hot air gun
and the label backing paper.Hopefully the gun will work.

Thnx again

--- In Homebrew_PCBs@yahoogroups.com, "Myc Holmes" <mycroft2152y@...>
wrote:
>
> As the original poster, I simply used a hair dryer very close to the
durace
> of the pvb to "fast fuse" the toner.
>
> Yes it works with the sponge method.
>
> I've also had success with running the pcb through the laminator ( or
> ironing) a seconf time using the release paper form labels. The idea
is to
> create a flatter surface and close up any pinholes.
>
> Stay away from the solventss, there are verry messy and potentially
> dangerous.
>
> Myc
>
> On Feb 2, 2008 12:32 PM, Leon <leon355@...> wrote:
>
> > ----- Original Message -----
> > From: "niponcio" <niponcio@... <niponcio%40yahoo.com>>
> > To: <Homebrew_PCBs@yahoogroups.com <Homebrew_PCBs%40yahoogroups.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@... <leon355%40btinternet.com>
> > http://www.geocities.com/leon_heller
> >
> >
> >
>
>
> [Non-text portions of this message have been removed]
>