Re: [DIYbio] multielectrode arrays

On Wed, Mar 06, 2013 at 12:23:35PM -0800, Nathan McCorkle wrote:

> So that will get your circuit laid out, but you would then need to
> mask off the wires leading to each electrode. Is there an ink-jet

You'd need a dock, with integrated wire electrodes which
make contact to thin-film Pt. Soldering and coating
with epoxy might do with thicker film (thickend by
electrodeposition of peripheral film, covering the core
array with removable laquer).

> clear-coat? Otherwise I'd say you might be able to get away with
> contact lithography and some cheap photoresist.

I've been thinking that way as well. Deposit metal on the slide,
and spin-coat the photoresist, expose, develop, etch.

Toner transfer might just do, in fact. Metal-coated slide
instead of PCB.

It might not do for production, but it will probably do
for a prototype with few leads of a ~cm neural circuit.

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