Famous Patents
The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8189301 | Wireless microactuator motor assembly for use in a hard disk drive suspension, and mechanical and electrical connections thereto A microactuator assembly for a hard disk drive head suspension has an expandable base of stainless steel sheet material defining a negative lead affixed to the negative electrode on the bottom surface of a piezoelectric element, and a piece of stainless steel sheet ... | 05/29/2012 |
| 8174797 | Head suspension and method of manufacturing head suspension A head suspension has a conductive base plate, a piezoelectric element, and a load beam. The piezoelectric element deforms in response to a voltage applied thereto, thereby moving the load beam relative to the base plate in a sway direction. The head suspension incl... | 05/08/2012 |
| 8169750 | Removable nanopositioning cartridge for magnetic head and disk testers A removable cartridge for magnetic head and disk testers is disclosed. The removable cartridge includes: a base plate; a first end of an actuator rigidly fixed to the base plate; an HGA mounting block rigidly fixed to a second end of the actuator; a first end of a f... | 05/01/2012 |
| 8144435 | Cost reduced microactuator suspension An improved microactuator suspension is provided for use with high density storage media. The number of microactuator elements is reduced to one and placed perpendicularly to the longitudinal axis of the suspension arm to maximize the windage and resonance performan... | 03/27/2012 |
| 8144436 | Head suspension A head suspension has a load beam and a piezoelectric actuator. The piezoelectric actuator has an actuator base connected to a base part of the load beam and a piezoelectric element attached to an opening formed in the actuator base. The piezoelectric actuator displ... | 03/27/2012 |
| 8134809 | Disk drive head gimbal assembly including a PZT micro-actuator with a pair of separate PZT elements A PZT micro-actuator for a head gimbal assembly includes a pair of separate PZT elements and each PZT element has a body and a plurality of electrical pads. The body has at least two electrode-piezoelectric combination layers laminated together. The at least two ele... | 03/13/2012 |
| 8125741 | 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 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 d... | 02/28/2012 |
| 8120881 | Head gimbal assembly and manufacturing method thereof, and disk drive device with the same A HGA includes a suspension, a seed layer formed on a PZT holding region of a flexure of the suspension and a piezoelectric element deposited on the seed layer. The piezoelectric element is electrically connected with the suspension to form a PZT micro-actuator. The... | 02/21/2012 |
| 8111487 | 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... | 02/07/2012 |
| 8098461 | Micro actuator device, head suspension assembly and storage medium driving device According to one embodiment, a micro actuator device, includes: a first piezoelectric element superposed on a first lower support plate coupled to a fixed plate; a second piezoelectric element superposed on a second lower support plate in parallel with the first low... | 01/17/2012 |
| 8094416 | Head suspension and piezoelectric actuator A head suspension with a piezoelectric element involves simple wiring and realizes high reliability, the head suspension has a base plate, a load beam connected to the base plate, a flexure attached to the load beam, and a piezoelectric actuator having a piezoelectr... | 01/10/2012 |
| 8085508 | System, method and apparatus for flexure-integrated microactuator A piezo in-tongue microactuator includes a suspension assembly with a flexure tongue. The tongue has two slots that accept piezo actuators. The tongue also has multiple hinge flexible elements that translate the extension and/or contraction of the piezo actuators in... | 12/27/2011 |
| 8064172 | Method and apparatus coupling to a slider in a hard disk drive for microactuation A region of flexure layer, including slider mounting face coupled to offset mounting face for at least one piezoelectric device. The offset mounting face for piezoelectric device provides asymmetry between first contact region and second contact region based upon no... | 11/22/2011 |
| 8040639 | Integrated silicon micro-actuator slider An integrated microactuator slider. The microactuator includes a substrate having a fixed portion and a moveable portion. The microactuator also includes a slider communicatively integrated within the moveable portion of the substrate. The slider includes a read/wri... | 10/18/2011 |
| 8040640 | Slider and micro-actuator assembly, head gimbal assembly, and disk drive unit with the same A slider and micro-actuator assembly of the present invention comprises a substrate having a trailing edge and a leading edge opposite the trailing edge; a read/write transducer formed at the trailing edge of the substrate and a piezoelectric micro-actuator formed a... | 10/18/2011 |
| 7983008 | Piezoelectric actuated suspension with passive damping in hard disk drives A piezoelectric actuated suspension with passive damping is disclosed for precision positioning of hard disk drive while reducing undesired shock vibrations. Along the longitudinal axis of an etched suspension, two piezoelectric actuators dispose near the base plate... | 07/19/2011 |
| 7974045 | Apparatus and method for a piezoelectric micro-actuator for a hard disk drive Micro-actuator assembly including micro-actuator mount coupled to micro-actuator bridge to provide merged footprint with slider and micro-actuator bridge gap. Flexure finger including micro-actuator assembly for coupling to slider. Head gimbal assembly including fle... | 07/05/2011 |
| 7965473 | Method and apparatus coupling to a slider in a hard disk drive for microactuation A region of flexure layer, including slider mounting face coupled to offset mounting face for at least one piezoelectric device. The offset mounting face for piezoelectric device provides asymmetry between first contact region and second contact region based upon no... | 06/21/2011 |
| 7929256 | Thin film magnetic head with protrusion heater and temperature correcting resistor A thin film magnetic head is disclosed that is capable of preventing the contact between an element portion and a recording medium and a variation in the amount of protrusion of the element portion. A thin film magnetic head includes: a reproducing element; a record... | 04/19/2011 |
| 7916427 | 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... | 03/29/2011 |
| 7872834 | Head suspension with asymmetric linkage and asymmetric microactuator in plane of mounting region to provide a pseudosymmetric configuration A dual stage microactuated head suspension includes a base plate, a mounting region attached to the base plate, a load beam coupled to the mounting region, a flexure supported by the load beam and the mounting region, and a microactuator mechanically and electricall... | 01/18/2011 |
| 7855858 | Microactuator with self-assembled monolayer encapsulant A microactuator comprises a mounting block, a head suspension, a compliant joint for connecting the mounting block to the head suspension, and a piezoelectric element for deforming the compliant joint in order to rotate the head suspension with respect to the mounti... | 12/21/2010 |
| 7826178 | Microactuator, head gimbal assembly and hard disk drive using the same, and manufacturing method thereof A microactuator includes: a stage on which a positioning object is to be mounted; a frame to which the stage is fixed integrally; a piezoelectric device disposed on the frame, which deforms in an expanding or contracting manner based on a driving signal applied; and... | 11/02/2010 |
| 7821743 | Micro-actuator for use in small platform disk drive devices, and method of making the same A micro-actuator for use with an HGA and/or disk drive device (e.g., a small platform disk drive device) with the micro-actuator having a reduced mass suitable for improving shock performance, and/or methods of making the same are provided. In certain example embodi... | 10/26/2010 |
| 7796363 | PZT element, head gimbal assembly, and disk drive unit with same A PZT element of the present invention includes a laminated structure which is laminated with electrode layer and PZT layer alternatively to define a thickness direction; wherein each PZT layer is sandwiched between two adjacent electrode layers; and at least one su... | 09/14/2010 |
| 7773346 | Slider that dynamically adjusts the head-to-disk spacing in a disk drive A disk drive includes a drive circuitry, a storage disk and a slider. The storage disk has a data surface, and the slider magnetically interacts with the storage disk to transmit a signal between the storage disk and the drive circuitry. The slider includes a leadin... | 08/10/2010 |
| 7768746 | Rotational micro-actuator with a rotatable plate, head gimbal assembly and disk drive device with the same A head gimbal assembly includes a micro-actuator, a slider, and a suspension that supports the micro-actuator and the slider. The micro-actuator includes a metal frame including a top support to support the slider, a bottom support to connect to the suspension, and ... | 08/03/2010 |
| 7746600 | Encapsulant for a disc drive component A slider is used in an actuation system and carries a transducing head for transducing data to and from a rotatable recording disc. The slider includes a slider body having a leading edge and a trailing edge and a transducing head positioned proximate the trailing e... | 06/29/2010 |
| 7719798 | Rotational micro-actuator integrated with suspension of head gimbal assembly, and disk drive unit with the same A micro-actuator for a head gimbal assembly includes a metal frame including a bottom support integrated with a suspension flexure of the head gimbal assembly, a top support adapted to support a slider of the head gimbal assembly, and a pair of side arms that interc... | 05/18/2010 |
| 7715151 | Microactuator, head gimbal assembly and hard disk drive using the same, and method of manufacturing head gimbal assembly A microactuator includes: a base to be joined to a flexure; a pair of arms joined to the base; and PZT devices, mounted on the arms, to be deformed in an expanding or contracting manner based on driving signals applied, and the microactuator holds the side faces of ... | 05/11/2010 |
| 7684157 | Head gimbal assembly including first and second dimples, and disk drive unit including the same A HGA of the present invention includes a slider; a micro-actuator comprising two thin film PZT pieces to define a notch; a suspension to load the slider and the micro-actuator. The suspension comprises: a flexure having an actuator loading portion with a slot corre... | 03/23/2010 |
| 7684158 | 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... | 03/23/2010 |
| 7667932 | Method and apparatus using embedded sensor in a piezoelectric micro-actuator in a hard disk drive A piezoelectric sensor-actuator, including a piezoelectric sensor bonded through non-conductive adhesive to a piezoelectric actuator to determine the pressure and/or temperature near the coupled slider. The piezoelectric actuator contributes to slider positioning. T... | 02/23/2010 |
| 7643253 | HGA rotational micro-actuator including an s-shaped frame and method of making thereof A rotational micro-actuator (20) used in hard disk driver is disclosed. It comprises a frame (21) approximately in the shape of letter “S” and PZT pieces (28, 29) attached to said frame (21), wherein said frame (21) is formed w... | 01/05/2010 |
| 7630175 | Flexible, suspension, and head gimbal assembly with piezoelectric layer units addressable by a voltage A flexure is provided with a main body on which a wire for energizing a head slider is disposed. Head slider is mounted at the front end of the flexure. Two piezoelectric layer units, each including layered piezoelectric elements, are disposed so that two of the uni... | 12/08/2009 |
| 7623321 | Micro-actuator including electrical connection shifting circuit, head gimbal assembly and disk drive unit with the same A micro-actuator for a HGA includes a frame having a pair of side arms and a connection plate that interconnects the two side arms at one end thereof; a PZT element attached to at least one of the side arms; and an electrical connection shifting device to connect wi... | 11/24/2009 |
| 7612968 | Disk drive microactuator frame with epoxy overflow reservoir A disk drive slider positioner (180) includes a frame (184) having a pair of arms (216a, 216b) that cantilever from a base (188). A slider (140) is positioned within frame (184). A pair of slots (224 | 11/03/2009 |
| 7612967 | Method and apparatus coupling at least one piezoelectric device to a slider in a hard disk drive for microactuation A region of flexure layer, including slider mounting face coupled to offset mounting face for at least one piezoelectric device. The offset mounting face for piezoelectric device provides asymmetry between first contact region and second contact region. This is cost... | 11/03/2009 |
| 7580226 | Method and mechanism of the PZT micro-actuator application for the magnetic head gimbal assembly of the hard disk driver A system and method using a framing assembly to provide support for a micro-actuator and allow the micro-actuator to be connected to a suspension assembly is disclosed. In one embodiment, the framing assembly consists of a base with two arms attached. In a further e... | 08/25/2009 |
| 7558026 | Method and apparatus for a single piezoelectric micro-actuator in a head gimbal assembly of a hard disk drive A slider cradle for lateral positioning slider near rotating disk surface in hard disk drive, consisting essentially of piezoelectric micro-actuator coupling to slider cradle blank, further including piezoelectric micro-actuator coupling to first slider mount arm ne... | 07/07/2009 |
