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:
Aug. 02, 1994
Filed:
Feb. 09, 1993
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21K / ;
U.S. Cl.
CPC ...
378161 ; 378 34 ; 378145 ; 378159 ;
Abstract
An X-ray apparatus includes an X-ray pickup window through which synchrotron radiation light is projected, the X-ray pickup window having an X-ray transmission film; and a correcting system for correcting an intensity distribution of the synchrotron radiation light; wherein the X-ray transmission film has at least one of a film thickness distribution and a transmissivity distribution changing substantially in a predetermined direction; and wherein the X-ray transmission film is so disposed that the predetermined direction is substantially aligned with the direction of change of the intensity distribution of the synchrotron radiation light.