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| Number | Title | Issue Date |
| 7369369 | Bidirectional micropositioning recording head for a magnetic storage device A recording head for use in magnetic storage devices is disclosed. The recording head includes a transducer that is bi-directionally movable with respect to a magnetic medium surface of the magnetic storage medium, thereby enabling improved positioning of the transd... | 05/06/2008 |
| 7368846 | Microactuator with displacement sensing function and deformable mirror including the microactuator According to the present invention, a moving element Ai such as an electrostatically driven actuator is displaced by supplying a drive signal thereto. Meanwhile, a displacement sensing section 6 senses its displacement and a calibrating section 15 auto... | 05/06/2008 |
| 7355305 | Small-size direct-acting actuator A direct-acting actuator is provided comprising a stator section (16), an attachment section (6) secured to the stator section, micro-beams (8, 10) extending from the attachment section, a rotor section (12) supported for swing motion by ... | 04/08/2008 |
| 7352525 | Hard disk drive fly height adjust method and apparatus during error recovery Data recovery, following a read error in a hard disk drive, is provided which includes an adjustment of fly height. In one embodiment, some re-reads are performed by both adjusting the fly height and the off-track positioning of the read head. In one embodiment, two... | 04/01/2008 |
| 7333298 | Magnetic head actuator and magnetic disk drive using the same In conjunction with a magnetic disk drive unit comprising a voice coil motor (14), an arm (12) extending from the motor, a magnetic head actuator (2) mounted at a distal end of the arm, a suspension (16) coupled to the actuator, and a mag... | 02/19/2008 |
| 7317595 | Suspension assembly and rotary disk storage device Embodiments of the invention provide a suspension assembly offering large peel stiffness, small pitch stiffness and small roll stiffness. In one embodiment, the suspension assembly includes a load beam and a flexure 100. The flexure is connected to the load b... | 01/08/2008 |
| 7312956 | Micro-actuator, head gimbal assembly, and disk drive unit with the same A head gimbal assembly includes a slider, a rotatable micro-actuator and a suspension to load the slider and the rotatable micro-actuator. The rotatable micro-actuator horizontally rotates the slider with a central portion of the slider as an axis, which includes a ... | 12/25/2007 |
| 7298593 | Micro-actuator including a leading beam pivot part, head gimbal assembly and disk drive unit with the same A HGA includes a slider, a micro-actuator horizontally rotating the slider with a central portion of the slider as a rotation center, and a suspension to load the slider and the micro-actuator; wherein the micro-actuator comprises a support frame having a base, a mo... | 11/20/2007 |
| 7289285 | Information storage systems An information storage apparatus includes a storage media including a plurality of information tracks. Each storage medium has a head assembly having a substantially planar surface and a plurality of read/write heads positioned in registry with the information track... | 10/30/2007 |
| 7277257 | Transducer-level microactuator for a magnetic recording system A transducer-level microactuator selectively positions a transducer portion of a slider radially with respect to circumferential data tracks of a rotatable disc. The slider includes a slider body having a leading edge and a trailing edge, a transducer body and a fle... | 10/02/2007 |
| 7277258 | Dual-stage actuator disk drive with optimal location of the movable portion of the secondary actuator A dual-stage actuator disk drive has both a rotary primary actuator and a rotary secondary actuator. When the primary actuator initiates a seek there are two torque components acting on the center of mass of the secondary actuator's moving portion. The center of rot... | 10/02/2007 |
| 7275303 | Method for making a disc drive The upper voice coil motor magnet assembly (64a′) of a disk drive (10′) is magnetically aligned with the lower voice coil motor magnet assembly (64b′) using an alignment fixture (126). The alignment fixture (126... | 10/02/2007 |
| 7253993 | Head slider with precise positioning actuator and manufacturing method of the head slider A head slider with a precise positioning actuator includes a thin plane shaped head section provided with a first surface that is substantially perpendicular to an ABS of the head slider, a second surface opposite to the first surface and at least one head element f... | 08/07/2007 |
| 7248444 | Electromagnetic heads, flexures, gimbals and actuators formed on and from a wafer substrate Devices for reading or writing electromagnetic information include a wafer substrate piece disposed between an electromagnetic transducer and an electrostrictive or piezoelectric actuator. The substrate piece is shaped as a rigid body adjoining the transducer and as... | 07/24/2007 |
| 7248442 | Integrated recording head micropositioner using off-axis flexure bending A recording head for use in magnetic storage devices is disclosed. The recording head includes a transducer that is bi-directionally movable with respect to a magnetic medium surface of the magnetic storage medium, thereby enabling improved positioning of the transd... | 07/24/2007 |
| 7242132 | Piezoelectric actuator and head assembly using the piezoelectric actuator A head assembly includes a suspension having a gimbal, a flexible printed wiring sheet having a plurality of conductor patterns and adhered to the suspension, first and second piezoelectric actuators mounted on the gimbal, and a head slider mounted on the first and ... | 07/10/2007 |
| 7230800 | Microactuator for a hard disk drive with an integrated gimbal function A micro-fabricated chip having a stationary structure and a movable structure with a gimbal structure allows pitch and roll motion of the movable structure with respect to the stationary structure. One embodiment of the gimbal structure includes a dimple surface mak... | 06/12/2007 |
| 7221495 | Thin film precursor stack for MEMS manufacturing This invention provides a precursor film stack for use in the production of MEMS devices. The precursor film stack comprises a carrier substrate, a first layer formed on the carrier substrate, a second layer of an insulator material formed on the first layer, and a ... | 05/22/2007 |
| 7218471 | Self-servo writing using recording head micropositioner Servo tracks are written onto different disk surfaces using multiple recording heads within a disk drive without requiring a servo writing machine or clean room conditions. Microactuators in the reference heads in the disk drive are capable of independent motion wit... | 05/15/2007 |
| 7194795 | Method for manufacturing a head suspension A head suspension or head suspension component for supporting a head slider over a rigid disk in a dynamic storage device and a method of manufacturing. The head suspension includes a head suspension component and a compliant locating feature formed within the head ... | 03/27/2007 |
| 7190554 | Magnetic head suspension A magnetic head suspension of the present invention includes a flexure, a load-bent portion, a load beam and a base portion. The base portion has a main body and an embedded body embedded in the main body so as to be positioned in a region where the main body and th... | 03/13/2007 |
| 7187512 | Method and system for actively controlling and reducing induced electrostatic voltage on a magnetic storage disk Actively controlling ESI voltage on an object such as a magnetic storage disk (12), a rotating MR head, or insulator, includes the method and system for actively monitoring (92) a generated ESI voltage on the object (12). The method and system g... | 03/06/2007 |
| 7184245 | Head slider to be adhered to precise positioning actuator, head gimbal assembly with the head slider, method for adhering the head slider to the actuator, manufacturing method of head slider and manufacturing method of head gimbal assembly A head slider provided with at least one head element, to be fixed to an actuator for precisely positioning the at least one head element, including adhering sections to be adhered to the actuator, and recesses for receiving an adhesive. At least one of the recesses... | 02/27/2007 |
| 7177119 | Microactuated head suspension with ring springs A microactuated head suspension including a mounting region for attachment of the head suspension to a source of primary actuation, a pair of generally arcuate ring springs and a connecting member. The ring springs at spaced locations extending from the mounting reg... | 02/13/2007 |
| 7166806 | Micro-functional unit The problem with a micro-functional unit produced by hybrid-integration microstructure technology, comprising microcomponents which can be used in microstructure technology and codetermine the functioning of the micro-functional unit and at least one support compris... | 01/23/2007 |
| 7167344 | Magnetic head actuator having finely movable tracking device A magnetic head actuator provided with a finely movable tracking device having a piezoelectric element is provided for easy wiring to the piezoelectric element and reducing problems such as wire breakage and continuity defects. In the magnetic head actuator, a porti... | 01/23/2007 |
| 7164520 | Packaging for an interferometric modulator A package is made of a transparent substrate having an interferometric modulator and a back plate. A non-hermetic seal joins the back plate to the substrate to form a package, and a desiccant resides inside the package. A method of packaging an interferometric modul... | 01/16/2007 |
| 7154702 | Head actuator Disclosed herein is a head actuator for a head provided so as to accessible to a disk-shaped recording medium rotating above a base. The head actuator includes a main actuator driven so as to rotate above the base, and a microactuator driven so as to swing relative ... | 12/26/2006 |
| 7151650 | Head assembly including a variable device for adjusting an inclination of a slider A head assembly includes a suspension coupled to an end portion of an actuator arm located on a base to rotate around a pivot shaft, a head slider installed at the suspension and having a head to record and/or read information on and/or from a recording medium, and ... | 12/19/2006 |
| 7149060 | Actuation device and method for high density hard disk drive head A disk drive apparatus. The apparatus has a first drive device and a support member coupled to the first drive device. The support member has a tongue portion and a gimbal portion. The tongue portion is coupled the gimbal portion. A fixed drive device is formed with... | 12/12/2006 |
| 7140258 | Magnetic-based force/torque sensor A force transducer element (20) comprises a body (22) of magnetisable material having at least one magnetised region (30) at an angle, say 45°, to the force-sensing direction (P—P). Preferably there are a plurality of parallel magnetised regi... | 11/28/2006 |
| 7116523 | Interconnect module for use in a suspension assembly A lead routing module for interconnecting two devices in a suspension assembly. The suspension assembly including at least a suspension, a slider/head assembly, and a lead routing module. The suspension assembly may also include a microactuator. The lead routing mod... | 10/03/2006 |
| 7113369 | Head slider, head gimbal assembly, and hard disk drive In the head slider of the present invention, recording and reproducing electrode pads and heater electrode pads are attached to the same surface of an overcoat layer. The heater electrode pads are located on both sides of a group constituted by the recording and rep... | 09/26/2006 |
| 7110224 | Disk drive having a two-stage actuator for suppressing a flying-height fluctuation There is provided a magnetic disk drive in which a flying-height fluctuation produced by the operation of a fine actuator is decreased, the reliability is high, and recording density is high. For this purpose, the magnetic disk drive is configured as described below... | 09/19/2006 |
| 7106557 | Head supporting mechanism A load beam is attached to an actuator arm that is allowed to rock around a pivotal axis by a voice coil motor, etc., as a slider supporting member, the base end of a flexure is attached to the load beam with the free end thereof being left, a slider supporting memb... | 09/12/2006 |
| 7102855 | Microelectronic device with closely spaced contact studs A microelectronic device includes a transducer. An overcoat layer is disposed on a transducer surface. A plurality of electrical contact pads are disposed on the overcoat layer. First and second studs that pass through the overcoat layer to connect the transducer to... | 09/05/2006 |
| 7099115 | Head gimbal assembly with precise positioning actuator for head element, disk drive apparatus with the head gimbal assembly, and manufacturing method of the head gimbal assembly An HGA includes a head slider with at least one head element, a precise positioning actuator fixed to the head slider for precisely positioning the at least one head element, and a support for supporting the actuator. The actuator has a pair of movable arms capable ... | 08/29/2006 |
| 7095591 | Head slider having microactuator A pair of slits are defined in a slider body of a head slider so as to extend from a trailing end surface to the leading end on the slider body. A movable block is established in the slider body between the slits. The slits ensure the extent of movement for the mova... | 08/22/2006 |
| 7082670 | Method for actively controlling the gram load on a disk drive suspension assembly A method and apparatus for actively controlling the gram load on a disk drive suspension assembly and to a disk drive using the present disk drive suspension assembly. The gram load can be actively changed by changing the applied voltage to one or more multi-layer p... | 08/01/2006 |
| 7072150 | Head support mechanism and thin film piezoelectric actuator A head support mechanism includes a slider for carrying a head at least for performing reproduction of data from a disk, and a holding portion for holding the slider. The holding portion includes: a first portion including a first piezoelectric element; a second por... | 07/04/2006 |
