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. 11, 2017
Filed:
Apr. 16, 2015
Seagate Technology Llc, Cupertino, CA (US);
Shuaigang Xiao, Fremont, CA (US);
David S. Kuo, Palo Alto, CA (US);
XiaoMin Yang, Livermore, CA (US);
Kim Y. Lee, Fremont, CA (US);
Yautzong Hsu, Fremont, CA (US);
Koichi Wago, Sunnyvale, CA (US);
Seagate Technology LLC, Cupertino, CA (US);
Abstract
Provided herein is an apparatus, including a first region of a substrate corresponding to a data region in a patterned recording medium; a first set of protrusions etched out of the first region of the substrate, wherein the protrusions of the first set of protrusions are rectangle shaped; a second region of the substrate corresponding to a servo region in a patterned recording medium; and a second set of protrusions etched out of the second region of the substrate, wherein the second set of protrusions includes radial lines etched into the substrate across chevrons etched out of the substrate.