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. 01, 2001
Filed:
Nov. 18, 1998
Applicant:
Inventor:
Takayoshi Mamine, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21G 4/00 ;
U.S. Cl.
CPC ...
G21G 4/00 ;
Abstract
A short-wavelength electromagnetic-radiation generator includes a pair of concave reflectors, a laser source for emitting a laser beam so as to be incident between the concave reflectors, and an electron beam generator for emitting an electron beam so as to be incident on the laser beam, which is repeatedly reflected and converged.