Ceramics comprising Al 2 O 3 , Y 2 O 3 , ZrO 2 and/or HfO 2...

Details Ceramics comprising Al 2 O 3 , Y 2 O 3 , ZrO 2 and/or HfO 2... Ceramics comprising Al 2 O 3 , Y 2 O 3 , ZrO 2 and/or HfO 2...

2006-11-28

2006-11-28

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S049000, C501S050000, C501S051000, C501S052000, C501S073000, C501S077000, C501S079000, C385S141000

Reexamination Certificate

active

07141522

ABSTRACT:
Ceramics comprising (i) at least one of Nb2O5or Ta2O5and (ii) at least two of (a) Al2O3, (b) Y2O3, or (c) at least one of ZrO2or HfO2. Embodiments of ceramics according to the present invention can be made, formed as, or converted into optical waveguides, glass beads, articles (e.g., plates), fibers, particles (e.g., abrasive particles), and thin coatings.

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