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:
Jan. 02, 1990
Filed:
Sep. 02, 1988
Applicant:
Inventors:
Hiroyuki Ishibashi, Tsukuba, JP;
Kazushi Shimizu, Tsukuba, JP;
Kenzo Susa, Tsukuba, JP;
Shinzou Kubota, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01T / ;
U.S. Cl.
CPC ...
250367 ; 2504831 ; 2504861 ; 2523 / ;
Abstract
A radiation detector containing as a scintillator a combination of two or more single crystals of cerium doped gadolinium silicate having different Ce concentrations, or a single crystal of cerium doped gadolinium silicate having different Ce concentrations therein, is improved in a spatial resolution and a time resolution.