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:
May. 31, 2005
Filed:
Jul. 29, 2002
Applicants:
Shi-hui Zhang, Taipei Hsien, TW;
Irene Chen, Taipei, TW;
Hung-hsum Huang, Hsin-Chu Hsien, TW;
Hsien-chin Liu, Taipei, TW;
Kuan-chung Chang, Tao-Yuan, TW;
Inventors:
Shi-Hui Zhang, Taipei Hsien, TW;
Irene Chen, Taipei, TW;
Hung-Hsum Huang, Hsin-Chu Hsien, TW;
Hsien-Chin Liu, Taipei, TW;
Kuan-Chung Chang, Tao-Yuan, TW;
Assignee:
U-Tech Media Corp., Tao-Yuan Hsien, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B007/24 ;
U.S. Cl.
CPC ...
Abstract
An optical recording medium having a scratch-off material layer includes a transparent substrate, a reflective layer formed on the transparent substrate, a protective layer formed on the reflective layer, information formed on a surface of the protective layer, and at least one opaque scratch-off material layer formed on the protective layer for disguising the information.