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Class Information
Number: 360/294.4
Name: Dynamic magnetic information storage or retrieval > Head mounting > For adjusting head position > Disk record > Adjustment parallel to disk plane > Driver detail > Piezoelectric adjuster
Description: Subject matter wherein a piezoelectric element is utilized to provide adjustment.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623321 |
Micro-actuator including electrical connection shifting circuit, head gimbal assembly and disk drive unit with the same |
Nov. 24, 2009 |
| 7617588 |
Method for making a device |
Nov. 17, 2009 |
| 7614136 |
Method of producing a framing assembly |
Nov. 10, 2009 |
| 7612967 |
Method and apparatus coupling at least one piezoelectric device to a slider in a hard disk drive for microactuation |
Nov. 3, 2009 |
| 7612968 |
Disk drive microactuator frame with epoxy overflow reservoir |
Nov. 3, 2009 |
| 7580226 |
Method and mechanism of the PZT micro-actuator application for the magnetic head gimbal assembly of the hard disk driver |
Aug. 25, 2009 |
| 7558026 |
Method and apparatus for a single piezoelectric micro-actuator in a head gimbal assembly of a hard disk drive |
Jul. 7, 2009 |
| 7554772 |
Head gimbal assembly having an independent spacer therein and disk drive unit with the same |
Jun. 30, 2009 |
| 7554773 |
Micro-actuator, head gimbal assembly and disk drive unit with the same |
Jun. 30, 2009 |
| 7551405 |
Rotational PZT micro-actuator with fine head position adjustment capacity, head gimbal assembly, and disk drive unit with same |
Jun. 23, 2009 |
| 7551386 |
Head gimbal assembly with flying height controller, disk drive unit using the same, and flying height adjusting method and system thereof |
Jun. 23, 2009 |
| 7536771 |
Method for loading single head in a hard disk drive |
May. 26, 2009 |
| 7538985 |
Magnetic head positioning mechanism |
May. 26, 2009 |
| 7538984 |
Rotational PZT micro-actuator with a rotatable plate |
May. 26, 2009 |
| 7535680 |
Micro-actuator with integrated trace and bonding pad support |
May. 19, 2009 |
| 7535681 |
Micro-actuator including side arms having back-turned extensions, head gimbal assembly and disk drive unit with the same |
May. 19, 2009 |
| 7525769 |
Micro-actuator having swing support to allow horizontal swinging movement of slider support |
Apr. 28, 2009 |
| 7518833 |
Micro-actuator with electric spark preventing structure, HGA, and disk drive unit with the same, and manufacturing method thereof |
Apr. 14, 2009 |
| 7508634 |
Micro-actuator, vibration canceller, head gimbal assembly, and disk drive unit with the same |
Mar. 24, 2009 |
| 7499246 |
Magnetic head device |
Mar. 3, 2009 |
| 7490398 |
Methods for assembling a disk drive using robotic end effector |
Feb. 17, 2009 |
| 7477489 |
Actuator including an actuator arm with a first microactuator supporting a read head and a force-balancing microactuator without any read head |
Jan. 13, 2009 |
| 7474512 |
Miro-actuator, head gimbal assembly, and disk drive unit with the same |
Jan. 6, 2009 |
| 7471490 |
Micro-actuator including U-shaped frame and metal support frame, and manufacturing method thereof |
Dec. 30, 2008 |
| 7469464 |
Method for adjusting a head suspension for positioning a read/write head over a disk |
Dec. 30, 2008 |
| 7468869 |
Micro-actuator, micro-actuator suspension, and head gimbal assembly with the same |
Dec. 23, 2008 |
| 7466520 |
Co-located microactuator lever assembly |
Dec. 16, 2008 |
| 7459835 |
Loading-protected bending microactuator in additive suspensions |
Dec. 2, 2008 |
| 7440216 |
Rotary piezoelectric microactuator with an optimum suspension arrangement |
Oct. 21, 2008 |
| 7440236 |
Apparatus for insulating and electronically connecting piezoelectric motor in dual stage actuator suspension from the same side of the suspension |
Oct. 21, 2008 |
| 7433159 |
Micro-actuator unit, head gimbal assembly, and disk drive unit with vibration canceller |
Oct. 7, 2008 |
| 7423846 |
Magnetic-head apparatus with microactuator having function of short-circuiting both electrodes of epiezoelectric elements and method of manufacturing the same |
Sep. 9, 2008 |
| 7420785 |
Suspension assembly, hard disk drive, and method of manufacturing suspension assembly |
Sep. 2, 2008 |
| 7417830 |
Head gimbal assembly with dual-mode piezo microactuator |
Aug. 26, 2008 |
| 7417831 |
Micro-actuator and head gimbal assembly for a disk drive device |
Aug. 26, 2008 |
| 7411764 |
Head gimbal assembly with precise positioning actuator for read/write head and disk drive device with the head gimbal assembly |
Aug. 12, 2008 |
| 7408745 |
Sway-type micro-actuator with slider holding arms for a disk drive head gimbal assembly |
Aug. 5, 2008 |
| 7382583 |
Rotary piezoelectric microactuator and disk drive head-suspension assembly |
Jun. 3, 2008 |
| 7379274 |
Rotational PZT micro-actuator, head gimbal assembly, and disk drive unit with the same |
May. 27, 2008 |
| 7375911 |
Piezoelectric actuator and sensor for disk drive dual-stage servo systems |
May. 20, 2008 |
| 7375930 |
Apparatus for PZT actuation device for hard disk drives |
May. 20, 2008 |
| 7359154 |
Method and apparatus for connecting a micro-actuator to driver arm suspension |
Apr. 15, 2008 |
| 7359158 |
Suspension of disc drive |
Apr. 15, 2008 |
| 7352538 |
Magnetic disk drive piezoelectric actuator with hinge plate limbs extending non-linear symmetrically from central portion |
Apr. 1, 2008 |
| 7345851 |
Disk drive with rotary piezoelectric microactuator |
Mar. 18, 2008 |
| 7312956 |
Micro-actuator, head gimbal assembly, and disk drive unit with the same |
Dec. 25, 2007 |
| 7312955 |
Disk drive piezoelectric actuator with coupling portion extending across a slit between flexible substrates |
Dec. 25, 2007 |
| 7301731 |
Head assembly having microactuator |
Nov. 27, 2007 |
| 7298593 |
Micro-actuator including a leading beam pivot part, head gimbal assembly and disk drive unit with the same |
Nov. 20, 2007 |
| 7292413 |
Microactuated suspension with shear transmission of force |
Nov. 6, 2007 |
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