Homebrew PCBs

Hi
Thanks a ton....
Regards
Gaurav

On Tue, Sep 15, 2009 at 11:04 AM, Harvey White <madyn@...> wrote:

>
>
> On Tue, 15 Sep 2009 09:43:38 +0530, you wrote:
>
> > Hi
> >
> >I use Tina for all my simulations and work. It also allows me to create my
> >PCB's
> >
> >Being small time I would use toner transfer method for my work..
> > This is where my confusion starts.
> >
> >To better explain my problem I have uploaded two files at the location
> >http://tech.groups.yahoo.com/group/Homebrew_PCBs/files/First_PCB/
> >
> >The first file is InvAmp.Gif, this is the image of the PCB I see when it
> is
> >auto generated.
> >
> >The next file is InvAmp.pdf which is the print I will get and is a mirror
> >image.
> >
> The reversed image will transfer correctly to a board. All toner
> transfer layers when printed must be mirror images. You should not be
> able to read the print directly.
>
> Look at the diagram through the paper when held up to light. The
> toner side should be facing the light. That toner will be transferred
> to the board as you see it through the paper. At this point, you
> should be able to read the letters.
>
> >I think I am not suppose to use the mirror image for the work when I am
> >using toner transfer or am I thinking wrong ??
>
> You do use the mirror image. Try the experiment with a piece of
> paper. Try to transfer the image from the paper (cheap paper, scrap
> of board) to the board. You should see the image properly.
>
> In some programs, you may or may not automatically print the bottom
> layer reversed, you do, this is good. It saves a step.
>
> Harvey
>
> >
> >This may be very silly but I am just not sure.
> >
> >My actual circut is quite different but I just used this simple inverting
> >amp of an opamp to demonstrate my query.
> >
> >Thanks
> >Regards
> >--
> >Gaurav Verma
> >Email - Gaurav.Verma.MCA@... <Gaurav.Verma.MCA%40gmail.com>
> >Phone - 9910732960
>
> 
>



-- 
Gaurav Verma
Email - Gaurav.Verma.MCA@...
Phone - 9910732960


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