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. 14, 1997
Filed:
Feb. 16, 1995
Applicant:
Inventor:
Toshihisa Tomie, Tsukuba, JP;
Primary Examiner:
Int. Cl.
CPC ...
G21K / ;
U.S. Cl.
CPC ...
378145 ; 378 84 ;
Abstract
An X-ray lens includes a plurality of hollow cylinders of prescribed radius bored in a lens material piece having a phase lag coefficient appropriate for the wavelength of the X-rays to be focused such that the axes of the hollow cylinders are parallel and perpendicularly intersect a straight array axis.