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.:

US 6828784 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 07, 2004

Filed:

Aug. 22, 2002
Applicant:
Inventors:

Jong Yun Yun, Cupertino, CA (US);

Jae June Kim, Sunnyvale, CA (US);

Chin Won Cho, San Jose, CA (US);

Chang Dong Yeo, Jook Gun-Li, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 3/312 ; G11B 2/736 ;
U.S. Cl.
CPC ...
G01R 3/312 ; G11B 2/736 ;
Abstract

Methods and apparatus are disclosed determining the presence of base line popping noise for a read head inside an assembled disk drive, as well as, determining read bias conditions for operating the read head free of base line popping noise. These further include performance evaluation of the read head for read bias conditions free of base line popping noise. They also include repairing the read head using DC write current and read bias current within the assembled disk drive.


Find Patent Forward Citations

Yun, Jong. (2004). Method and apparatus detecting base line popping noise in a read head and stabilizing the magnetic domain of merged magnetoresistive read-write heads using dc write current and read bias current for an assembled disk drive (U.S. Patent No. 6828784). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6828784

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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