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:
Jul. 11, 2017
Filed:
Sep. 17, 2014
Marvell International Ltd., Hamilton, BM;
Zhimin Yuan, Singapore, SG;
Jingliang Zhang, Singapore, SG;
Chun Lian Ong, Singapore, SG;
Shiming Ang, Singapore, SG;
Marvell International LTD., Hamilton, BM;
Abstract
Magnetic disk, method of track following on a magnetic disk, and method of writing a servo pattern in a dedicated servo layer of a magnetic disk. The magnetic disk comprises a servo pattern in a dedicated servo layer of the magnetic disk, the servo pattern having a first burst A and a second burst B arranged to be within one period of a servo sample, each of burst A and burst B comprising DC+ and DC− magnetic bursts; wherein a center of the DC+/DC− bursts of burst B is shifted relative to the DC+/DC− bursts of burst A in a substantially radial direction of the magnetic disk.