Homebrew PCBs

Hi,

Any photos? That would help is seeing whatt is wrong.
I've done a few surface mount boards succesfully with
toner transfer.

Myc

--- patroclus04 <patroclus04@...> wrote:

> Hello,
> I've been doing some PCBs by "hand" for a year or
> so.
> Now I would like to use SMD and superficial IC, and
> I need more
> accuracy and posibility of making several boards.
> 
> I tried 4 or 5 times with tonner transfer. Results
> are not good.
> 
> I use magazine paper, I tried 2 o 3 of them. Glossy.
> I print using a LaserJet 6. I iron at high temp, for
> 10 minutes or
> even more. I wash in warm water, and leave there a
> few minutes more.
> Then I peel the paper (it takes time and effort,
> sometimes I just
> damged a track). The pattern is firmly transfered,
> and it actually
> takes a lot of effort to remove from the copper
> using disolvent. BUt
> the pattern is heavily damaged. Many track cutted,
> pads missing,... I
> manage to get some better, but I need very good
> acuracy for SMD, can't
> just finish by hand...
> 
> I don't know what more I can do...
> I'm thinking on going into photographic methods. I
> was thinking on
> getting photosensitive boards, print a mask, and
> expose it to UV
> light. Then, as far as I'm concerned, I will have to
> put in developer,
> and then etch.
> 
> Can you guys help me out? any advice??
> Any ideas??
> 
> Thank you so much
> 
> 
> 
> 


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