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:
Sep. 05, 2006
Filed:
Mar. 07, 2003
Richard L. Wilkinson, Whittier, CA (US);
John H. Rilum, Tustin, CA (US);
Carlyle J. Eberly, Huntington Beach, CA (US);
John R. Holmes, Garden Grove, CA (US);
Richard L. Wilkinson, Whittier, CA (US);
John H. Rilum, Tustin, CA (US);
Carlyle J. Eberly, Huntington Beach, CA (US);
John R. Holmes, Garden Grove, CA (US);
Optical Disc Corporation, Santa Fe Springs, CA (US);
Abstract
Improvements in the shape of three-dimensional features displayed in optical recording structures, particularly in such structures displaying features of differing dimensional characteristics. The shape improvements include reductions in berm height and width, dual level data marks and tracking guides, and land areas projecting above or into the surface of the recording structure.