Tuesday, March 24, 2020
Antique 4x5 camera creates 20 micron photolithography masks
I use an antique 4x5 view camera to create high resolution photomasks in my home shop.
Source of film and developing chemicals: https://www.freestylephoto.biz/531345-Arista-Ortho-Litho-Film-3.0-3.9x4.9-50-Sheets-For-4x5-Film-Holders
Possible source of poster-sized printouts: https://blueprintsprinting.com/pricing/
Gold on microscope slide: https://sci-hub.tw/10.1109/MEMSYS.2013.6474404
Commerical microelectrode arrays: https://www.multichannelsystems.com/products/microelectrode-arrays
Vacuum film holder: https://web.archive.org/web/20111016132122/http://cloudynights.com/documents/large.pdf
Test patterns: http://www.bealecorner.org/red/test-patterns/
Thought emporium: https://www.youtube.com/user/TheChemlife
Huygens Optics: https://www.youtube.com/user/huygensoptics
Sam Zeloof: https://www.youtube.com/user/szeloof
Support Applied Science on Patreon: https://www.patreon.com/AppliedScience
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Just in case you can get to Germany: We have an old Black and White Photo Magnifier nobody uses. If you're interested, just contact me
ReplyDeleteI would very much like to learn more about the sealing process you used to make the vacuum film holders. I'm about to make some for my own camera and am interested in how you sealed the light-tight slot where the dark slide inserts.
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