Patent · US Expired

PRECISE POSITIONING ACTUATOR FOR HEAD ELEMENT, HEAD GIMBAL ASSEMBLY WITH THE ACTUATOR, DISK DRIVE APPARATUS WITH THE HEAD GIMBAL ASSEMBLY, MANUFACTURING METHOD OF ACTUATOR AND MANUFACTURING METHOD OF HEAD GIMBAL ASSEMBLY

US6700749B2 · kind B2 · utility

44Cited by

4References

28Claims

0Family size

Assignee

TDK CORPORATION · JP

Inventors

Masashi Shiraishi · Tokyo, JP
Tamon Kasajima · Dongguan, CN

Key dates

Filing date	Oct 10, 2001
Grant date	Mar 2, 2004
Priority date	—
Expiry date	Mar 29, 2022

Classification

Technology area (CPC G)Physics
CPC primaryG11B5/5552
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A precise positioning actuator to be fixed to a head slider provided with at least one head element and to a support, for precisely positioning the at least one head element, includes a pair of movable arms formed by a metal plate. These movable arms are capable of displacing in response to a drive signal applied to the actuator along a direction crossing a plate plane of the movable arms, and catch the head slider in a space between them.

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