On 4/30/07, James Richard Tyrer <[EMAIL PROTECTED]> wrote:
Have they figured out how to do multi-layer board yet? Can they print
Lead free solder? :-)
I saw something like this years ago, but not with an inkjet printer.
The process printed metal traces (copper alloy I think) onto a piece of
molded plastic so that you could make a whole thing in one piece. That
is a small I/O board consisting of the system bus, the card to hold the
chips, a frame for strength, and the output connector could all be one
piece of plastic -- something strong like glass filled polycarbonate --
with the metal traces printed onto it. Same problem though, no
multi-layer board so you would be limited to two sides although I
suppose that you could glue additional layers on.
We're working on a fields metal deposition head in the RepRap project,
so, along with the thermoplastic depo head, you'll be able to print
fully 3D arbitrary layer count circuit boards. It's a necessary part
of full (or nearly full) self-replication.
--tim
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