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:
Nov. 16, 2004
Filed:
Feb. 22, 2001
Applicant:
Inventor:
Kazuo Kajiwara, Tokyo, JP;
Assignee:
Sony Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 9/227 ;
U.S. Cl.
CPC ...
H01J 9/227 ;
Abstract
A luminescence crystal particle which emits light upon irradiation with an energy beam and which has a crystal defect density of 5×10 defects/cm or less in a region located from the surface of the luminescence crystal particle to a portion as deep as the energy beam reaches.