Invention Grant
- Patent Title: Disk drive having a disk of discrete-track media type
- Patent Title (中): 磁盘驱动器具有离散轨道介质类型的磁盘
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Application No.: US12338962Application Date: 2008-12-18
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Publication No.: US07933088B2Publication Date: 2011-04-26
- Inventor: Hideo Sado , Masatoshi Sakurai , Yuji Sakai
- Applicant: Hideo Sado , Masatoshi Sakurai , Yuji Sakai
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Knobbe, Martens, Olson & Bear LLP
- Priority: JP2007-338217 20071227
- Main IPC: G11B5/09
- IPC: G11B5/09 ; G11B5/596
Abstract:
According to one embodiment, a disk drive has a DTM type disk. The DTM type disk has a servo area on one recording surface. In the servo area, a servo pattern is recorded. The servo pattern is composed of a projection-depression pattern and an N- and P-pole magnetic pattern. The N- and P-pole magnetic pattern is recorded in an address-data region that contains a cylinder code.
Public/Granted literature
- US20090168228A1 DISK DRIVE HAVING A DISK OF DISCRETE-TRACK MEDIA TYPE Public/Granted day:2009-07-02
Information query
IPC分类:
