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:
Apr. 03, 2012
Filed:
Feb. 01, 2007
Applicants:
Seoung Won Lee, Daejeon-si, KR;
Hun Seo, Yongin-si, KR;
Jun Seok Lee, Chungcheongbuk-do, KR;
Jin Hong Kim, Yongin-si, KR;
Kyung Chan Park, Seoul, KR;
Inventors:
Seoung Won Lee, Daejeon-si, KR;
Hun Seo, Yongin-si, KR;
Jun Seok Lee, Chungcheongbuk-do, KR;
Jin Hong Kim, Yongin-si, KR;
Kyung Chan Park, Seoul, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is directed to an optical disk having a projection that prevents full contact of the upper surface of the disk when engaging a supporting surface. The optical disk includes a projection formed in a central portion of the optical disk that abuts or is near the upper surface of a protecting layer.