The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 30, 1995
Filed:
Aug. 25, 1994
Applicant:
Inventors:
Yuhu Wang, Tokyo, JP;
Junichi Ohwaki, Tokyo, JP;
Assignees:
Sumita Optical Glass, Inc., Tokyo, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
501-3 ; 501 57 ; 501 60 ; 501 64 ; 501 74 ;
Abstract
A high efficiency wavelength up-conversion transparent glass ceramics composition is provided containing a rare earth ion, which can be applied to short wavelength solid lasers, full color displays, infrared light detecting sensors, etc. The ceramic composition has the following chemical composition, in which fluoride fine crystals containing rare earth ions are preferentially precipitated:
Wang, Yuhu. (1995). Wavelength up-conversion transparent glass ceramics (U.S. Patent No. 5420080). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5420080
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile