Patent application number | Description | Published |
20090064634 | Floor Structure - A floor structure includes a plurality of structural metal components that each have: a plate-shaped supporting portion that is laid either perpendicular or oblique to an installation surface; a plate-shaped top flange that extends from a top end portion of the supporting portion in parallel with the installation surface; a plate-shaped bottom flange that extends from a bottom end portion of the supporting portion in parallel with the installation surface and in the opposite direction from the top flange, wherein the structural metal components are laid on a flat surface in parallel with each other such that the top flange of one of the mutually adjacent structural metal components covers the bottom flange of the other of the mutually adjacent structural metal material. | 03-12-2009 |
20100047617 | HIGH YOUNG'S MODULUS STEEL PLATE AND METHOD OF PRODUCTION OF SAME - Steel sheet having a composition of ingredients containing substantially, by mass %, C: 0.005 to 0.200%, Si: 2.50% or less, Mn: 0.10 to 3.00%, N: 0.0100% or less, Nb: 0.005 to 0.100%, and Ti: 0.002 to 0.150% and satisfying the relationship of Ti-48/14×N≧0.0005, having a sum of the X-ray random intensity ratios of the {100}<001> orientation and the {110}<001> orientation of a ⅙ sheet thickness part of 5 or less, having a sum of the maximum value of the X-ray random intensity ratios of the {110}<111> to {110}<112> orientation group and the X-ray random intensity ratios of the {211}<111> orientation of 5 or more, and having a high rolling direction Young's modulus measured by the static tension method and a method of production of the same are provided. | 02-25-2010 |
20100244645 | Frame that supports a housing - There is provided a frame for holding an electronic device, the frame including an inner member that has a shape of continuous or discontinuous loop, and is made of hollow metal having a closed cross-section; and a plurality of corner reinforcing members that are made of metal and are fixed at positions that cover curved portions of the inner member. | 09-30-2010 |
20100269435 | FLOOR STRUCTURE INCLUDING PLATE-SHAPED SUPPORTING PORTION - A floor structure includes a plurality of structural metal components that each have: a plate-shaped supporting portion that is laid either perpendicular or oblique to an installation surface; a plate-shaped top flange that extends from a top end portion of the supporting portion in parallel with the installation surface; a plate-shaped bottom flange that extends from a bottom end portion of the supporting portion in parallel with the installation surface and in the opposite direction from the top flange, wherein the structural metal components are laid on a flat surface in parallel with each other such that the top flange of one of the mutually adjacent structural metal components covers the bottom flange of the other of the mutually adjacent structural metal material. | 10-28-2010 |
20120295065 | PANEL - A panel which includes, among protrusions protruding from a predetermined reference surface, flat sections being flush with the reference surface, and recesses being recessed from the reference surface, the protrusions, and the flat sections or recesses, wherein; when the panel includes the flat sections, the entire periphery of each of the protrusions is surrounded by the flat sections, and the entire periphery of each of the flat sections is surrounded by the protrusions, while when the panel includes the recesses, the entire periphery of each of the protrusions is surrounded by the recesses, and the entire periphery of each of the recesses is surrounded by the protrusions. | 11-22-2012 |
Patent application number | Description | Published |
20120077051 | STEEL SHEET HAVING HIGH YOUNG'S MODULUS, HOT-DIP GALVANIZED STEEL SHEET USING THE SAME, ALLOYED HOT-DIP GALVANIZED STEEL, SHEET, STEEL PIPE HAVING HIGH YOUNG'S MODULUS, AND METHODS FOR MANUFACTURING THE SAME - In an embodiment of a steel sheet having high Young's modulus, the steel can include in terms of mass %, e.g., C: 0.0005 to 0.30%, Si: 2.3% or less, Mn: 2.7 to 5.0%, P: 0.15% or less, 0.015% or less, Mo: 0.15 to 1.5%, B: 0.0006 to 0.01%, and Al: 0.15% or less, with the remainder being Fe and unavoidable impurities. One or both of {110}<223> pole density and {110}<111> pole density in the ⅛ sheet thickness layer can be 10 or more, and a Young's modulus in a rolling direction can be more than 230 GPa. Other embodiments can include, e.g., Mn: 0.1 to 5.0%, N: 0.01% or less, and one or more of Mo: 0.005 to 1.5%, Nb: 0.005 to 0.20%, Ti: at least 48/14×N (mass %) and 0.2% or less, and B: 0.0001 to 0.01%, at a total content of 0.015 to 1.91 mass %. | 03-29-2012 |
Patent application number | Description | Published |
20110058280 | DISK DRIVE SUSPENSION - A microactuator mounting section is disposed between a base section and a load beam. A microactuator element formed of a piezoelectric element is contained in an element accommodation portion in a plate portion. The plate portion has a stationary part secured to the base section and a movable part secured to the load beam. The stationary part and the movable part are connected to each other by a pair of arm portions. Each arm portion comprises a first extending portion and a second extending portion. The first extending portion extends longitudinally relative to the load beam from a front end of the stationary part toward the movable part. The second extending portion extends transversely inward relative to the plate portion from the first extending portion so as to be continuous with the movable part. | 03-10-2011 |
20110085269 | DISK DRIVE SUSPENSION AND MANUFACTURING METHOD THEREFOR - An element accommodation portion is formed in an electrically conductive plate member which constitutes a part of a suspension. A microactuator element comprising a piezoelectric element is located in the element accommodation portion. An electrically conductive resin member is disposed in a region covering junctions for electrically connecting the conductive plate member and the microactuator element. A pit is formed in the junction of the conductive plate member by partial-etching. A part of the conductive resin member is in the pit. A part of an outer peripheral edge of the conductive resin member is located inside an edge of the pit. The conductive resin member is covered by a cover layer. | 04-14-2011 |
20120200953 | MAGNETIC DISC APPARATUS - According to one embodiment, a magnetic disc apparatus includes a magnetic head which reads information stored in a magnetic disc, an arm which supports the magnetic head, and a feedback controller which controls a coarse actuator to move the magnetic head above the magnetic disc by driving the arm, a fine actuator to hold a position of the magnetic head, and a feedback path which feeds back a displacement of the actuator to a target value of the coarse actuator. The feedback controller controls decoupling of a double actuator system which adds up the coarse actuator and the fine actuator. | 08-09-2012 |
20140022670 | DISK DRIVE SUSPENSION - A slider and a pair of microactuator elements are disposed on a gimbal portion of a flexure. The gimbal portion comprises a first tongue portion, a second tongue portion, and a hinge portion. A trailing-side portion of the slider is secured to the second tongue portion. A leading-side portion of the slider is movable relative to the first tongue portion. A conductive circuit portion comprises a conductor connected to an element of the slider and a conductor connected to electrodes of microactuator elements. The conductive circuit portion comprises a first wiring pattern portion disposed inside microactuator elements and a second wiring pattern portion extending rearwardly relative to the gimbal portion. | 01-23-2014 |
20140022674 | DISK DRIVE SUSPENSION - A slider and microactuator elements are disposed on a gimbal portion of a flexure. A first end portion of each of the elements is secured to a first supporting portion. A second end portion is secured to a second supporting portion. A ground-side conductor is provided on the second supporting portion. A limiter member consists mainly of a resin shared with an insulating layer of a conductive circuit portion. The limiter member comprises a grounding junction, a first bridge portion, and a second bridge portion. The grounding junction is secured to the second supporting portion. The first bridge portion extends in a first direction from the grounding junction. The second bridge portion extends in a second direction from the grounding junction. | 01-23-2014 |
20140022675 | DISK DRIVE SUSPENSION - A microactuator element is disposed on a gimbal portion of a flexure. A first end of the element is secured to a first supporting portion by a first insulating adhesive. A second end is secured to a second supporting portion by a second insulating adhesive. A first conductor is disposed on the first supporting portion. A second conductor on the ground side is disposed on the second supporting portion. A first electrode is disposed on a first end of the element. A first electrically conductive paste is provided between the first electrode and the first conductor. A second electrode is disposed on a second end of the element. A second electrically conductive paste is provided between the second electrode and the second conductor. | 01-23-2014 |
20140085754 | DISK DRIVE SUSPENSION - A slider and microactuator elements are disposed on a gimbal portion of a flexure. A tongue of the gimbal portion has a first tongue portion, a second tongue portion, and a hinge portion. A leading-side portion of the slider is movably disposed on the first tongue portion. A trailing-side portion of the slider is secured to the second tongue portion. The hinge portion is formed between the first tongue portion and the second tongue portion. The gimbal portion is provided with a damper member includes a viscoelastic material layer and a constrained plate. The damper member comprises a first damper and a second damper. The hinge portion is exposed between the first damper and the second damper. A dimple on a load beam contacts the hinge portion at a point of contact. | 03-27-2014 |
20140085755 | DISK DRIVE SUSPENSION - A slider and a microactuator element are disposed on a gimbal portion of a flexure. The gimbal portion comprises a metal base, an electrically insulating resin layer, a conductor disposed on the resin layer, an electrically insulating adhesive block, and an electrically conductive paste. The adhesive block secures an end portion of the microactuator element to the metal base. The conductive paste is provided between the conductor and an electrode of the microactuator element. A first adhesive interface extending along the thickness of the resin layer, a second adhesive interface extending along a surface of the resin layer, and a corner portion are formed between the metal base and the conductive paste. | 03-27-2014 |
Patent application number | Description | Published |
20090086375 | Apparatus for measuring vibration characteristics of head gimbal assembly - An apparatus for measuring the vibration characteristics of a head gimbal assembly can grasp resonant characteristics at high frequencies and efficiently measure the vibration characteristics of the head gimbal assembly, the apparatus has a shaker head to which the head gimbal assembly is attached, the shaker head has a main body made of ceramics and a fixture made of metal, the fixture is solidly fixed to the main body and is provided with positioning pins and an internal thread, the head gimbal assembly is supported with a mount block, and the mount block has positioning holes to be fitted to the positioning pins of the fixture and a joined part to be removably fastened to the internal thread of the fixture. | 04-02-2009 |
20090086379 | 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 piezoelectric element arranged between the base plate and the load beam, the piezoelectric element is configured to deform according to a state of applied voltage and move a front end of the load beam in a sway direction according to the deformation, and the piezoelectric element has first and second piezoelectric parts that are oppositely polarized and deform according to a state of applied voltage, a common electrode formed over first surfaces of the first and second piezoelectric parts, a first electrode formed on a second surface of the first piezoelectric part, and a second electrode formed on a second surface of the second piezoelectric part. | 04-02-2009 |
20100208390 | HEAD SUSPENSION - A head suspension has a base plate | 08-19-2010 |
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 |
20100302687 | PIEZOELECTRIC ELEMENT WITH ELECTRODE AND HEAD SUSPENSION - A piezoelectric element with electrode is capable of preventing an assembling error. The piezoelectric element includes a piezoelectric body configured to deform according to polarity in response to a voltage applied thereto, electrodes formed on surfaces of the piezoelectric body, respectively, a non-electrode part formed on at least one of the surfaces of the piezoelectric body, the non-electrode part continuing to the one electrode that is on the at least one surface of the piezoelectric body, and a boundary between the non-electrode part and the one electrode. The boundary has a pattern to indicate the polarity of the piezoelectric element. | 12-02-2010 |
20120023734 | HEAD ASSEMBLY ATTACHING METHOD, CYLINDRICAL JIG, AND CAULKING BALL - A method of attaching a head assembly having an annular hollow boss to an arm having a through hole of a carriage is provided. The head assembly includes a load beam of a head suspension and a base plate fixed to a base part of the load beam. The boss is formed on the base plate. The method includes steps of, inserting the boss into the through hole, thereby setting the head assembly to the arm of the carriage, supplying lubricant along the cylindrical jig to the caulking ball and pushing the caulking ball with the cylindrical jig to pass the caulking ball through an inside of the boss and diametrally expand and plastically deform the boss, thereby fixedly fitting the boss of the head assembly to the through hole of the arm of the carriage. The method causes no deformation of a flange formed on the base plate during caulking and is achievable at low cost. | 02-02-2012 |
20120224282 | ELECTRICAL CONNECTION STRUCTURE FOR PIEZOELECTRIC ELEMENT AND HEAD SUSPENSION WITH THE ELECTRICAL CONNECTION STRUCTURE - An electrical connection structure for a piezoelectric element and a head suspension with the piezoelectric element employing the electrical connection structure are provided. The electrical connection structure fixes and connects a terminal of a wiring member to an electrode of the piezoelectric element, which is arranged to face the terminal, with a conductive adhesive so that no peeling due to thermal expansion occurs between the terminal and the conductive adhesive. The electrical connection structure includes a through hole formed through the terminal and a connection part formed around the through hole on an opposite side of a piezoelectric element on the terminal. The conductive adhesive is applied and solidified so that the conductive adhesive extends between a surface of the connection part and a surface of the electrode of the piezoelectric element through the through hole. | 09-06-2012 |