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. 07, 2002
Filed:
Sep. 14, 1999
Applicant:
Inventors:
Hiroyuki Kondo, Tsukuba, JP;
Noriaki Kandaka, Kawasaki, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21K 1/06 ;
U.S. Cl.
CPC ...
G21K 1/06 ;
Abstract
A x-ray apparatus includes an x-ray source, an x-ray optical system, wherein the x-ray optical system extracts x-rays of a specific wavelength from the x-ray source and converts the x-rays into a beam, and an irradiation source that causes radiation to be incident on surfaces of optical elements contained in the x-ray apparatus.