Invention Grant
US08125741B2 Rotational, shear mode, piezoelectric motor integrated into a collocated, rotational, shear mode, piezoelectric micro-actuated suspension, head or head/gimbal assembly for improved tracking in disk drives and disk drive equipment
有权
旋转,剪切模式,集成到并置,旋转,剪切模式,压电微致动悬架,头或头/万向节组件中的压电电机,用于改进磁盘驱动器和磁盘驱动设备中的跟踪
- Patent Title: Rotational, shear mode, piezoelectric motor integrated into a collocated, rotational, shear mode, piezoelectric micro-actuated suspension, head or head/gimbal assembly for improved tracking in disk drives and disk drive equipment
- Patent Title (中): 旋转,剪切模式,集成到并置,旋转,剪切模式,压电微致动悬架,头或头/万向节组件中的压电电机,用于改进磁盘驱动器和磁盘驱动设备中的跟踪
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Application No.: US11880179Application Date: 2007-07-20
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Publication No.: US08125741B2Publication Date: 2012-02-28
- Inventor: John R. Shelor
- Applicant: John R. Shelor
- Applicant Address: US CA Murrieta
- Assignee: Magnecomp Corporation
- Current Assignee: Magnecomp Corporation
- Current Assignee Address: US CA Murrieta
- Agency: Intellectual Property Law Offices of Joel Voelzke, APC
- Main IPC: G11B21/02
- IPC: G11B21/02 ; G11B5/596

Abstract:
A rotational, shear mode, piezoelectric motor is integrated with a suspension, head or head gimbal assembly (HGA) into a collocated, rotational, shear mode, piezoelectric micro-actuated suspension, head or head gimbal assembly (HGA) for use in disk drives and disk drive manufacturing equipment. When excited by a control voltage, the collocated, shear mode, piezoelectric micro-actuated HGA rotates the head enabling high frequency, high resolution track positioning of the read/write element. The motor is integrated with the head and flexure (collocation). The head rotates about a rotation axis that is ideally located at the center of mass of the head. A shear mode piezoelectric motor rotates the head. A collocated, rotational, shear mode, piezoelectric micro-actuated HGA has high stiffness, high frequency response, high positioning resolution, low mass and low internal vibration for improved tracking, increased track density and greater disk drive storage capacity. Furthermore, its solid integration improves shock resistance and reduces micro-contamination.
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