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 7651752 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 26, 2010

Filed:

May. 19, 2005
Applicants:

Kun Ho Ahn, Seoul, KR;

Keum Cheol Kwak, Seoul, KR;

Jin Hong Kim, Yongin-si, KR;

Inventors:

Kun Ho Ahn, Seoul, KR;

Keum Cheol Kwak, Seoul, KR;

Jin Hong Kim, Yongin-si, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed herein is a super resolution optical disc. The super resolution optical disc comprises dielectric layers, and a mask layer formed between the dielectric layers, in which the mask layer is constructed as a complex mask layer comprising a metallic oxide (MO) or metallic nitride (MN), and a metallic thin film formed thereon. A size of the cavities and an amount of metallic particles in cavities created by illumination of recording laser can be controlled to increase a level of a reproduction signal for recording marks and to enhance the quality of the reproduction signal.


Find Patent Forward Citations

Ahn, Kun. (2010). Super resolution optical disc (U.S. Patent No. 7651752). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7651752

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