I know of these aluminum disks that are pvd ceramic coated.  I can't figure
out what they are used for or even why they are coated to be honest.  Does
anyone know what products are pvd ceramic coated?  Our company does a lot of
work with pvd coatings for high wear users such as machining tools for
extending life.  But I understand that there are a lot of coatings used in
electonics and optics.


Russell Epstein
President
Advanced Industrial Ceramics
12651 Briar Forest Dr.
Houston, Tx 77077
[log in to unmask]
Tel: 800-865-0532
Tel: 281-497-4788
Fax: 281-556-9244

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