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:
Mar. 11, 2003
Filed:
Dec. 05, 2001
Applicant:
Inventor:
Jun-min Park, Seoul, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/84 ;
U.S. Cl.
CPC ...
G11B 5/84 ;
Abstract
A disk-type recording for protection of media recording and/or reproduction units, including an information recording surface portion disposed around a center hole and a crack hindering element to hinder the generation of a crack at the center hole from advancing to an outer edge of the disk-type recording media. The crack hindering element includes at least one annular protrusion portion protruded around the center hole.
Park, Jun-min. (2003). Disk-type recording medium having a crack hindering element (U.S. Patent No. 6532210). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6532210
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile