Optimal aperture position?

Started 2 months ago | Discussions thread
OP E Dinkla Senior Member • Posts: 1,838
Re: Homemade sputtering device

ProfHankD wrote:

Incidentally, I am at a university that has a nanotechnology center with real sputtering equipment and everything else you could want for VLSI and solar-cell fab; they even have a molecular 3D printer. It would be quite easy for me get stuff done there if I wanted to do real production-quality stuff... it's just we'd quickly get back to the $100+ build cost per filter range.

Which would make it possible to use tiny silver particles to build a thin layer that is dense enough.  Better control than gradually etching the silver of a mirror that I was thinking about. Could be done though with a resin box and have the disc spin with etching fluid droplets falling in the center. Fresh etching fluid eats more in the center than exhausted fluid at the circumference + the area increases towards it.  Maybe there is no need for the resin pattern either.

Met vriendelijke groet, Ernst
No photographer's gear list is complete without the printer mentioned !

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