Note that this is alumina (Al2O3)-- a ceramic, not aluminum (Al) metal.
Alumina is chemically related to sapphire; both are hard, strong, good
electrical insulators and have decent thermal conductivity. Sapphire is
transparent, 99% pure alumina is normally pure white.
Hard anodizing is a neat coating, especially when the pores are sealed with
micron- sized Teflon!
Regards, Neil Tucson, AZ
-----Original Message-----
From: Robert Jepson [mailto:robere@xensei.com]
Sent: Thursday, May 02, 2002 4:29 AM
To: land-speed@autox.team.net
Subject: Transparent Aluminum
http://www.rense.com/general20/transparentalum.htm
Kinda like aluminum anodized all the way through; years ago some M.I.T.
guys brought the idea of hard anodizing to my grandfather's (big)
plating shop, where they developed the technique. At the time they
thought they might be able to eventually penetrate the whole piece with
resulting 70 Rockwell (?) oxide, but only got in .001 or so.....
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