Re: Home-made SSI chips

Mel Wilson wrote:
> In article <[EMAIL PROTECTED]>,
> [EMAIL PROTECTED] (JJ) wrote:
>
> > I was wondering what would it take to make my own SSI chips?
> >
> > Of course I'm not talking about 90 nM resolution.. but something
> > like 0.1 millimeters (at best). I have a 2400?dpi laser printer.
> >
> > How does one make a transistor? Is this technology reachable from
> > the (enthusiast) hobbyst? Where could I find the necessary materials?
>
>
>    It seems like the kind of thing a truly obsessed hobbyist
> could do.  If I were doing it, I'd find out everything I
> could about the transistors Shockley originally made at Bell
> Labs.  I'd find a chemist I could talk to about plating
> doped germanium out of solution.  I wouldn't dream about
> commercial viability.
>
>    Good Luck.  I won't see followups because I'm reading
> this in comp.arch.embedded, and it's totally off topic here.
>
>         Mel.

Yes it can be done, see Scientific American, some were around the
mid 1970's for some field effect ones.