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, 1995
Filed:
Nov. 04, 1993
Applicant:
Inventors:
Makoto Okano, Saitama, JP;
Shingo Iwasaki, Saitama, JP;
Toshiyuki Miyadera, Saitama, JP;
Fumio Matsui, Saitama, JP;
Assignee:
Pioneer Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 648 ; 428333 ; 428913 ; 430270 ; 430495 ; 430945 ;
Abstract
An optical recording medium has a substrate, a recording film of phthalocyanine coloring matter and provided on the substrate, a light reflection film on the recording film, and a protection film on the light reflection film. The light reflection film is made of Au and has a thickness less than 1500 .ANG..