Mixed oxide high index optical coating material and method

Details Mixed oxide high index optical coating material and method Mixed oxide high index optical coating material and method

1995-05-09

1997-06-24

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

501103, 501152, C04B 35462

Patent

active

056417195

ABSTRACT:
A composition of material of the formula MN.sub.x O.sub.y, where M and N are metals selected from groups IIIA, IVA and VA of the periodic table, O is oxygen and x and y have values such that the oxygen-to-metal ratio is less than 4 and the ratio of y/(1+x) is also less than 4, said material being in the form of a single oxide phase and having a crystal structure of a single type alone with no detectable crystal structure of a second type, said material being sub-stoichiometric.

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patent: 5106794 (1992-04-01), Oizumi et al.
patent: 5225382 (1993-07-01), Mizuno et al.
patent: 5340607 (1994-08-01), Friz et al.

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