Invention Grant
- Patent Title: Magnetic disk device and reference pattern writing method of the same
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Application No.: US18117674Application Date: 2023-03-06
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Publication No.: US12198735B2Publication Date: 2025-01-14
- Inventor: Hiroyuki Suzuki
- Applicant: Kabushiki Kaisha Toshiba , Toshiba Electronic Devices & Storage Corporation
- Applicant Address: JP Tokyo; JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba,Toshiba Electronic Devices & Storage Corporation
- Current Assignee: Kabushiki Kaisha Toshiba,Toshiba Electronic Devices & Storage Corporation
- Current Assignee Address: JP Tokyo; JP Tokyo
- Agency: Maier & Maier, PLLC
- Priority: JP2022-142376 20220907
- Main IPC: G11B5/012
- IPC: G11B5/012 ; G11B5/588 ; G11B5/596
Abstract:
A magnetic disk device detects a shift of writing positions of a spiral pattern, corrects the regulation speed in a direction where the shift is canceled, and writes spiral patterns based on the corrected regulation speed.
Public/Granted literature
- US20240079028A1 MAGNETIC DISK DEVICE AND REFERENCE PATTERN WRITING METHOD OF THE SAME Public/Granted day:2024-03-07
Information query
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