Patent · US Active

Suppressing adjacent track interference/far track interference (ATI/FTI) in a hard disk drive (HDD) by an external magnetic field

US8169730B2 · kind B2 · utility

8Cited by

10References

12Claims

0Family size

Assignee

Hitachi Global Storage Technologies Netherlands B.V. · NL

Inventors

Nelson Cheng · Fremont, US
Lakshmi Ramamoorthy · San Jose, US
Kris Schouterden · Los Gatos, US
Masayoshi Shimokoshi · Yokohama, JP

Key dates

Filing date	Dec 17, 2009
Grant date	May 1, 2012
Priority date	—
Expiry date	Dec 17, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG11B2005/001
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A hard disk drive (HDD) comprising a magnetic disk that includes a data storage surface and an external magnetic field parallel to the data storage surface for suppressing track interference.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.