Invention Grant
- Patent Title: Hard disk drive having dual micro-actuators on carriage arms
-
Application No.: US17224725Application Date: 2021-04-07
-
Publication No.: US11521646B2Publication Date: 2022-12-06
- Inventor: Koichiro Miyamoto , Kenichiro Oozeki , Yu Chen
- 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: Allen & Overy LLP
- Priority: JPJP2019-128553 20190710
- Main IPC: G11B5/55
- IPC: G11B5/55 ; G11B25/04 ; G11B5/596 ; G11B5/012 ; G11B5/58 ; G11B5/56

Abstract:
According to one embodiment, there is provided a hard disk drive including a first recording surface, a second recording surface, a first magnetic head, a first actuator and a second actuator that move the first magnetic head, a second magnetic head, a third actuator and a fourth actuator that move the second magnetic head, a fifth actuator that moves the second actuator and the fourth actuator, a drive circuit that implements at least one of a first mode in which the second actuator and the fourth actuator operate differently from each other or a second mode in which the first and third actuators operate differently from each other, and a controller that controls the drive circuit.
Public/Granted literature
- US20210256997A1 HARD DISK DRIVE Public/Granted day:2021-08-19
Information query
IPC分类: