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:
Oct. 04, 2005
Filed:
Apr. 10, 2002
Applicants:
Enghock Lim, Singapore, SG;
Bengtheam Ko, Singapore, SG;
Jun Wang, Singapore, SG;
Mingyou HU, Singapore, SG;
Myint Ngwe, Singapore, SG;
Inventors:
EngHock Lim, Singapore, SG;
BengTheam Ko, Singapore, SG;
Jun Wang, Singapore, SG;
MingYou Hu, Singapore, SG;
Myint Ngwe, Singapore, SG;
Assignee:
Seagate Technology LLC, Scotts Valley, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B005/596 ; G11B021/02 ;
U.S. Cl.
CPC ...
Abstract
A method of determining run-out in a disc drive involving steps of performing a direct current erase, selecting a reference track, writing a sinusoidal signal into a first track at a first offset from the reference track, sensing a read signal along the reference track, and analyzing the read signal to extract run-out information.