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:
Nov. 27, 2006
Filed:
Nov. 12, 2003
Hisaki Miyamoto, Osaka, JP;
Michiyoshi Nagashima, Nara-ken, JP;
Kiyoshi Inoue, Osaka, JP;
Sakae Noda, Osaka, JP;
Hisaki Miyamoto, Osaka, JP;
Michiyoshi Nagashima, Nara-ken, JP;
Kiyoshi Inoue, Osaka, JP;
Sakae Noda, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
The disk-shaped optical information medium of this invention includes: a first substrate having a center hole; a second substrate having a center hole; and a radiation curable resin interposed between the first and second substrates for bonding together the first and second substrates, wherein the optical information medium further includes a stopper for preventing the radiation curable resin from protruding into the center holes of the substrates, and a space between the first and second substrates of at least half of a clamp region for clamping the optical information medium is filled with the resin.