Title:
広帯域コントラスト偏光ガラス
Document Type and Number:
Japanese Patent JP3962093
Kind Code:
B2
Abstract:
A polarizing glass article, and a method of making the article, that exhibits a broad band of high contrast polarizing properties in the infrared region of the radiation spectrum, that is phase-separated by precipitating silver, copper, or copper-cadmium halide crystals in the glass within a size range of 200-5000 Å, and that contains elongated silver, copper, or copper-cadmium metal particles formed on or in the halide crystals, and having an elongated aspect ratio of at least 2:1, the article having a contrast ratio of at least 100,000 over a range of at least 300 nm.
Inventors:
Borelli, Nicholas F
Man Larry Gee
Whitbread, George N. Third
Man Larry Gee
Whitbread, George N. Third
Application Number:
JP52561598A
Publication Date:
August 22, 2007
Filing Date:
November 18, 1997
Export Citation:
Assignee:
CORNING INCORPORATED
International Classes:
G02B1/00; G02B5/30; B32B17/00; C03C4/00; C03C4/06; C03C14/00
Domestic Patent References:
| JP2248341A |
Foreign References:
| US4908054 |
Attorney, Agent or Firm:
Yanagita Seiji
Go Sakuma
Go Sakuma