Homebrew PCBs

John,
This was very helpful. I really appreciate it! I'm not familiar with 
the press you use. I'm still using an iron but I will look into what 
you have.

Please do upload the pictures!
Kenny

--- In Homebrew_PCBs@yahoogroups.com, "jam5411" <j@m...> wrote:
>
> --- In Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
> <stefan_trethan@g...> wrote:
> >
> > On Mon, 02 Jan 2006 20:34:50 +0100, kennytrussell  
> > <kenneth.trussell@t...> wrote:
> > 
> > >
> > >
> > > I have not done double-sided yet. I do have a question for 
someone
> > >
> > > about the "pouch". When you slide the board in, how do you 
assure
> > >
> > > that both sides of the pouch are still equally positioned? If 
the
> > >
> > > paper curvature is different for one side than the other where 
edge
> > >
> > > of the board meets the bound side of the pouch, wouldn't you 
get an
> > >
> > > ofset? (not sure I explained that well) For single sided 
boards, I
> > >
> > > trim my transparency or paper (whichever I am using) to just 
the
> > >
> > > outline of the board. Do you keep it a lot larger? Help from 
all
> > >
> > > appreciated.
> > 
> > 
> > Yes, the curvature causes an error for me. If i put in in a
> folded-over  
> > piece of thin cardboard the curve is much more gradual and not a
> problem.
> > 
> > ST
> >
> 
> Using the Press n Peel I leave roughly 3/8inch overlap from the 
laser
> print out. This is 3/8" larger than the board outline. (Diptrace 
will
> print the board outline which is helpful to check alignment as you
> assemble the pouch.) Again this is a rough idea I do it by eye and 
if
> there is more because the board outline does not fit the press n 
peel
> there may be more hanging over. ie press n peel is 8+ wide and I 
have
> a board that is 3" I dont try to save the small amount of press n 
peel
> that would be left over (2*(3+(2*3/8))) - gees John... I let the
> rigidty of the pouch kinda self center the PC board Stock. Easier 
to
> do than explain. After it comes out of the heated press and cold
> water, the press n peel falls off, the board is dried and 
inspected.
> If OK at that point then I will drill some small holes at the board
> outline corner - usually .15. If these line up with the same point 
on
> both sides of the board then the board is assumed to be in 
alignment.
> Etch and enjoy. I have only had one time that this method failed 
and I
> could attribute that to an error I made while  closing the press.
> Forgot my paper spacer and tried to open press and insert it... I 
will
> be making some more in the next few days and will upload some pix 
if
> you like
> 
> John
>