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:
Sep. 20, 1988
Filed:
Mar. 30, 1987
Applicant:
Inventors:
Hirofumi Shimura, Ibaraki, JP;
Yuji Enomoto, Ibaraki, JP;
Yusei Noguchi, Ibaraki, JP;
Yoshitaka Tatsue, Ibaraki, JP;
Hidenori Shinno, Ibaraki, JP;
Assignees:
Agency of Industrial Science & Technology, Tokyo, JP;
Ministry of International Trade & Industry, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; B32B / ;
U.S. Cl.
CPC ...
350641 ; 350609 ; 4289122 ; 428664 ; 428662 ; 428687 ; 428634 ;
Abstract
An optical mirror in which a mirror surface formation material, e.g. aluminum, is coated on a substrate consisting of a c/c composite and having a predetermined shape. The coated mirror surface formation material layer is ultrahigh precision machined to a small thickness such that its deformation is suppressed by the substrate.