Class / Patent application number | Description | Number of patent applications / Date published |
360244100 | IC/circuit component on suspension element | 9 |
20080212236 | Suspension having magnetic head assembly mounted thereon and magnetic recording disk drive using the suspension - A suspension having a magnetic head assembly | 09-04-2008 |
20080239576 | Suspension for disc drive - A suspension for disc drive includes a base plate, a load beam, and a flexure. The flexure includes a metal base member and a circuit member disposed along the metal base member. The circuit member extends in a longitudinal direction of the load beam. The circuit member includes a resin base member formed of an electrically insulating resin and conductors. The conductors are formed into predetermined circuit patterns by etching a deposited copper layer deposited on the resin base member. Each conductor has a cross section in the shape of a trapezoid such that the width of a surface of the conductor which faces the resin base member is greater than that of a surface of the conductor on the side opposite from the resin base member. | 10-02-2008 |
20090097161 | HEAD ACTUATOR ASSEMBLY, DISK DEVICE PROVIDED WITH THE SAME, AND MANUFACTURING METHOD FOR HEAD ACTUATOR ASSEMBLY - According to one embodiment, a disk device includes a disk, a drive section which is configured to support and rotate the disk, a head, and a head actuator assembly. The head actuator assembly includes a board unit including a base portion on which an electronic component is mounted, a main flexible printed circuit board which is configured to extend from the base portion and have a connecting end portion attached to the carriage, and a reinforcing plate including a bent portion fixed to the main flexible printed circuit board, and a vibration damper which is configured to include a sheet-shaped viscoelastic material stuck on the bent portion and a sheet-shaped reinforcing material, more rigid than the viscoelastic material and stuck on the viscoelastic material in superposed relation, and suppress vibration of the reinforcing plate. | 04-16-2009 |
20100033875 | Suspension board with circuit - A suspension board with circuit includes a metal supporting board extending in a longitudinal direction, an insulating layer formed on the metal supporting board, and a conductive pattern formed on the insulating layer. In the suspension board with circuit, a magnetic-head mounting region where a slider with a magnetic head mounted thereon is mounted is located in one end portion in the longitudinal direction, and the thickness of the metal supporting board in at least a part of the magnetic-head mounting region is smaller than that in a region other than the magnetic-head mounting region. | 02-11-2010 |
20100061019 | MAGNETIC STORAGE SYSTEM WITH READ DURING WRITE - A magnetic storage system includes a magnetic storage medium and a transducer positioned adjacent the magnetic storage medium. The transducer has a reader positioned adjacent writer and a reader bias coil located on the transducer. Transducer circuitry is configured to apply a bias signal to the reader bias coil during a read-write operation. The reader bias coil generates a reader bias field proximate the reader. | 03-11-2010 |
20100290158 | HEAD SUSPENSION - A head suspension with a piezoelectric actuator secures basic characteristics such as vibration and impact characteristics without deteriorating a displacement stroke of the piezoelectric actuator. The head suspension has a load beam and a piezoelectric actuator, the piezoelectric actuator supporting a base part of the load beam and configured to displace a front end of the load beam in a sway direction. The piezoelectric actuator has an actuator base and at least a piezoelectric element, the actuator base connected to the base part of the load beam and having at least an opening, the piezoelectric element attached to the opening and deforming in response to a voltage applied thereto to conduct displacement of the front end of the load beam. The head suspension includes a circumferential side face of the piezoelectric element, a circumferential edge of the opening, configured to define the opening in the actuator base and surround and face the circumferential side face of the piezoelectric element, a bottom receiver formed at the opening, configured to face the periphery of a bottom face of the piezoelectric element, a clearance splitting the circumferential edge of the opening and the bottom receiver, configured to allow the piezoelectric element to deform, and a nonconductive adhesive applied at least between the circumferential edge of the opening and the circumferential side face of the piezoelectric element and between the bottom receiver and the bottom face of the piezoelectric element, configured to adhere the piezoelectric element to the opening. | 11-18-2010 |
20130329320 | SUSPENSION, HEAD GIMBAL ASSEMBLY AND DISK DRIVE UNIT WITH THE SAME - A suspension includes a positive write trace and a negative write trace. The positive write trace is separated into at least two positive write trace sections located at two different layers respectively, and the negative write trace is separated into at least two negative write trace sections located at two different layers respectively. Each positive write trace section and each negative write trace section are alternately arranged along a longitudinal direction on two different layers, and the positive write trace sections at different layers are connected together via conductive crossovers, and the negative write trace sections are connected together via conductive crossovers. The present invention can obtain balanced propagation time in the stacked trace structure to reduce signal distortion, and obtain widened frequency bandwidth. | 12-12-2013 |
20150356986 | HEAD SUSPENSION HAVING A FLEXURE TAIL WITH A COVERED CONDUCTIVE LAYER AND STRUCTURAL LAYER BOND PADS - A head gimbal assembly has a laminate flexure that includes a metallic conductive layer that includes a plurality of electrically conductive traces that are elongated and narrow and electrically connected to the read head, and a metallic structural layer that is stiffer than the conductive layer. A first dielectric layer is disposed between the structural layer and the conductive layer. A second dielectric layer substantially covers the conductive layer in a flexure tail bonding region that overlaps a flexible printed circuit (FPC). The structural layer includes a plurality of flexure bond pads that are aligned with, facing, and bonded to corresponding FPC bond pads. The flexure bond pads in the structural layer are electrically connected to the electrically conductive traces in the conductive layer by vias through the first dielectric layer. In certain embodiments, the flexure tail is folded upon itself in the flexure tail bonding region. | 12-10-2015 |
20170236540 | FLEXURE OF DISK DRIVE SUSPENSION, AND METHOD OF MANUFACTURING CONDUCTIVE CIRCUIT PORTION OF FLEXURE | 08-17-2017 |