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. 18, 2007
Filed:
Mar. 10, 2005
Mitsurou Moriya, Ikoma, JP;
Shin-ichi Tanaka, Kyoto, JP;
Yasuhiro Sugihara, Katano, JP;
Hiroshi Taniguchi, Hirakata, JP;
Michiyoshi Nagashima, Ikoma, JP;
Mitsurou Moriya, Ikoma, JP;
Shin-ichi Tanaka, Kyoto, JP;
Yasuhiro Sugihara, Katano, JP;
Hiroshi Taniguchi, Hirakata, JP;
Michiyoshi Nagashima, Ikoma, JP;
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Abstract
An optical recording medium is provided which includes a first substrate having a first information surface, a semitransparent reflection film formed on the first information surface of the first substrate, and a second substrate having a second information surface. In addition, the optical recording medium includes a reflection film formed on the second information surface of the second substrate, and an adhesive layer for adhering the first substrate and the second substrate so that the first information surface of the first substrate faces the second information surface on the second substrate. The thickness of the first substrate is the same as the thickness of the second substrate.