Feature
Item
Oxidation
Plasma Spray Coating
Super-Oxide
Anodizing
Y2O3
Al2O3
Al2O3+Y2O3
Purity
Al2O3(99%)
AlXOY(97%)
99.99%
99.99%
99.99%
Thickness
~200?
~70?
~1,000?
~1,000?
~1,000?
Porosity
~1%
~15%
~5%
~5%
~5%
Crystal Type
?,?-Al2O3
Amorphous
Crystalline
Crystalline
Crystalline
Plasma Resist.
Good
Poor
Excellent
Good
Good
Applucations...