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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.:

US 6793748 B1

PDFFull Text
Expired
Date of Patent:
Sep. 21, 2004

Filed:

May. 21, 2002

Disk bonding apparatus and disk bonding method

Applicant:
Inventors:

Toshiyuki Fujioka, Osaka, JP;

Akinobu Katayama, Kyoto, JP;

Toshikazu Kozono, Neyagawa, JP;

Kiyoshi Mayahara, Hirakata, JP;

Assignee:

Matsushita Electric Industrial Co., Ltd., Osaka, JP;

Attorney:

Pearne & Gordon LLP

Primary Examiner:

Jeff H Aftergut

Assistant Examiner:

John T Haran

Int. Cl.
CPC ...
G11B 7/26 ;
U.S. Cl.
CPC ...
G11B 7/26 ;
Abstract

It is an object to provide an optical recording medium (disk) bonding apparatus which eliminates the warpage of a disk during bonding and has high precision in the bonding. There are provided means for bonding two substrates and then irradiating radioactive rays from both sides of the substrates when carrying out radiation curing, and a mechanism for shifting the irradiation starts of both radioactive rays to control an amount of warpage of each substrate after the curing.

Find Patent Forward Citations

Fujioka, Toshiyuki. (2004). Disk bonding apparatus and disk bonding method (U.S. Patent No. 6793748). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6793748

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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