Probably.. Today I took fresh printouts and the results were much
better though I couldn't make usable PCBs even after three attempts.
Now I have to try with PnP blue instead of the glossy paper.
On 4/1/06, Lez <lez.briddon@...> wrote:
> err, water vapour absorbed by paper 'gassing' when heated?
>
> Maybe store next ones in a airtight bag with a bag of sillica crystals.
>
>
>
> On 31/03/06, Ramakrishnan Muthukrishnan <vu3rdd@...> wrote:
> > Hi,
> >
> > I am trying to make PCBs using the Toner Transfer Method with cloth
> > Iron. About a month back, I took afew Laser Printouts of the layouts
> > and on the same day I made use of one of the printouts and made a PCB
> > and it was a great success.
> >
> > Now, yesterday, i.e. about a month after I took the printouts, I took
> > them off the cover and cut out another of the layouts and tried to
> > make a PCB and it was a disaster. The edges got registered into the
> > copperclad but the center portion never registered and air got trapped
> > in the middle. I scratched off all the toner, cleaned the board very
> > well and then tried again with another printout I had from my month
> > old printouts and it was again a disaster. After about six takes, all
> > my printouts got exhausted.
> >
> > I cannot find any reason why it should fail. The surface was clean and
> > the heat applied was okay. Could it be that the toner got stuck on the
> > paper very well since it is one month since I took it? I have never
> > read anywhere that the PCBs should be made ∗right after∗ taking
> > printouts. Should it be the case? I am anyway going to try a fresh
> > printout (I do not have a printer at my disposal, have to go and take
> > it at a shop afew kilometers away) tomorrow.
> >
> > Thanks
> > --
> > Ramakrishnan - VU3RDD
> > http://www.zerobeat.in
> >
> >
> > Be sure to visit the group home and check for new Links, Files, and Photos:
> > http://groups.yahoo.com/group/Homebrew_PCBs
> >
> > If Files or Photos are running short of space, post them here:
> > http://groups.yahoo.com/group/Homebrew_PCBs_Archives/
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
>
>
> --
>
>
>
> Lez
>
>
> Be sure to visit the group home and check for new Links, Files, and Photos:
> http://groups.yahoo.com/group/Homebrew_PCBs
>
> If Files or Photos are running short of space, post them here:
> http://groups.yahoo.com/group/Homebrew_PCBs_Archives/
> Yahoo! Groups Links
>
>
>
>
>
>
>
>
--
Ramakrishnan - VU3RDD
http://www.zerobeat.in