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Polishing aluminum deposited on glass to 0.2 nm
November 10, 2019
Q. I am depositing aluminium on glass substrate (Bluestar microscopic slides). Now I want to polish the aluminium substrate up to the surface roughness .3nm. What polishing material should I use and of what grit? Or is it not possible to achieve it?
Ph.D. Scholar - INDIA
A. Hi ASHAMONI. While anything is possible, my limited understanding is that there is no technology for achieving such polishing. My quick googling and a few miniutes of reading seems to indicate that even specialized techniques have only achieved 0.7 nm on aluminum.
Ted Mooney, P.E. RET
finishing.com - Pine Beach, New Jersey
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