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:
Dec. 12, 1989
Filed:
Mar. 25, 1986
Applicant:
Inventors:
Kiichi Komatsubara, Tokorozawa, JP;
Seiichi Tanuma, Kiryu, JP;
Katsuya Okabe, Ota, JP;
Toshio Katsuyama, Hachioji, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 41 ; 372 39 ; 372-5 ;
Abstract
An intercalation compound obtained by intercalating a halide of sodium or an element belonging to the group IV of the periodic table such as NaBr, SiCl.sub.4, etc., in a layer crystal substance such as graphite is suitable as an optical resonator in a device for emitting coherent radiation together with an exciting energy supplying means which can radiate synchroton radiation or plasma focus X-rays, particularly in an X-ray laser for emitting X-rays having a wavelength of 10 .ANG. or less.