ZnOベースのガラスセラミック

Title:

ZnOベースのガラスセラミック

Document Type and Number:

Japanese Patent JP2006512274

Kind Code:

A

Abstract:

Disclosed is a substantially transparent glass-ceramic ceramic, and a method for making a glass-ceramic, exhibiting an aluminogallate spinel crystal phase and having a glass-ceramic composition that lies within the SiO₂-Al₂O₃-ZnO-K₂O-Ga₂O₃-Na₂O system and particularly consisting essentially, in weight percent on an oxide basis, of 25-50% SiO₂, 15-45% ZnO, 0-26% Al₂O₃, 0-25% K₂O, 0-10% Na₂O, 0-32% Ga₂O₃, a K₂O+Na₂O amount of greater than 10%, a Al₂O₃+Ga₂O₃of greater than 10%, the glass ceramic microstructure containing a crystal phase comprising at least 15%, by weight, of hexagonal ZnO crystals. Another aspect disclosed is optical element selected from the group consisting of an optical fiber, a gain or laser medium, and an amplifier component, a saturable absorber, with the element comprising a transparent glass-ceramic of the same composition and containing a crystallinity of at least about 15% by weight of hexagonal ZnO crystals.

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Inventors:

Pinkney, Linda

Application Number:

JP2004565613A

Publication Date:

April 13, 2006

Filing Date:

December 19, 2003

Export Citation:

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Assignee:

CORNING INCORPORATED

International Classes:

C03C10/02; C03C4/12; C03C10/00; H01S3/042

Attorney, Agent or Firm:

Yanagita Seiji
Go Sakuma

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