Published January 24, 1984 | Version v1
Patent Metadata-only

High-quantum efficiency long-lived luminescing refractory oxides

Creators

Description

A crystal having a high-quantum efficiency and a long period of luminescence is formed of an oxide selected from the group consisting of magnesium oxide and calcium oxide and possessing a concentration ratio of H-ions to F centers in the range of about 0.05 to about 10

Availability note (English)

U.S. Commissioner of Patents, Washington, D.C. 20231, USA, $.50.

Additional details

Publishing Information

Imprint Pagination
v p.
IPC:
Int. Cl. C01F 5/00; C09K 11/12.
IPC
Int. Cl. C01F 5/00; C09K 11/12.
Patent number
US patent document 4,427,570/A/

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
16013300
Subject category
S36: MATERIALS SCIENCE;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
CALCIUM OXIDES; CONTROL; CRYSTALS; EXCITATION; HEATING; LUMINESCENCE; MAGNESIUM OXIDES; POWDERS; PRODUCTION; QUANTUM MECHANICS; REFRACTORIES; SPATIAL DISTRIBUTION; TEMPERATURE DISTRIBUTION
Descriptors DEC
ALKALINE EARTH METAL COMPOUNDS; CALCIUM COMPOUNDS; CHALCOGENIDES; DISTRIBUTION; EMISSION; ENERGY-LEVEL TRANSITIONS; MAGNESIUM COMPOUNDS; MECHANICS; OXIDES; OXYGEN COMPOUNDS; PHOTON EMISSION

Optional Information

Notes
PAT-APPL-447729.