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. 17, 2006
Filed:
Sep. 07, 2004
Applicants:
Chang-dong Yeo, Yongin-si, KR;
Jong-yoon Kim, Yongin-si, KR;
Inventors:
Chang-dong Yeo, Yongin-si, KR;
Jong-yoon Kim, Yongin-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 27/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of screening a hard disk drive (HDD) including: measuring one or more parameters to display read/write head performances at least two times during an HDD process; and calculating variances of the measured one or more parameters and judging whether head degradation has occurred based on the calculated variances.