| Class / Patent application number | Description | Number of patent applications / Date published |
| 360244200 | Load beam detail | 80 |
| 20100061020 | FLEXURE, HEAD SUSPENSION ASSEMBLY INCLUDING THE FLEXSURE, AND HARD DISK DRIVE INCLUDING THE HEAD SUSPENSION ASSEMBLY - A flexure suppresses the vibration of a slider bearing a magnetic read/write head. The flexure has a cross beam, a slider support that supports the slider and is in turn supported like a cantilever by the cross beam but so as to be elastic, a rear vibration absorber protruding from a free end of the slider support in a direction away from the cross beam, and a forward vibration absorber protruding from the cross beam in a direction opposite to that in which the rear vibration absorber protrudes from the free end of the slider support. In a head suspension assembly, an end of the flexure is fixed to a load beam. Also, the load beam is coupled to a base plate by, for example, a hinge. The head suspension assembly is carried by a swing arm in a hard disk drive. The swing arm is mounted to a base so as to be rotatable to position the magnetic read/write head over a data storage disk of the drive. | 03-11-2010 |
| 20120218666 | Magnetic head suspension - A load beam part main body portion's side edges include a proximal end region inclined at a first angle and a distal end region inclined at a smaller second angle. Where “L” is a distance in a suspension longitudinal direction between a supporting part's distal end portion and a dimple, a distance “a” in the same direction from the supporting part's distal end portion until an inflection point between the proximal end region and the distal end region satisfies 0.44 L≦a≦0.78 L. A support plate's side edges fixed to the load beam part main body portion's lower surface is located, in the suspension width direction, inward from a virtual line connecting the proximal end region's proximal end and the distal end region's distal end and outward from the proximal end region and the distal end region, and extends, in the suspension longitudinal direction, across the inflection point. | 08-30-2012 |
| 20090091858 | Head suspension, load beam, and method of manufacturing load beam - A method of manufacturing a load beam precisely positions a slider on a dimple of a load beam according to precisely obtained positional data of the dimple, the method includes preparing a work which is a flat plate and serves as the load beam, irradiating at least a part of the work where the dimple is formed with a laser beam, to form a modified part at the irradiated part, carrying out plastic working on the modified part, to form the dimple having a concave curved surface at the modified part, taking an image of the concave curved surface of the dimple, obtaining the positional data of the dimple from the image, and positioning the slider on the dimple according to the positional data. | 04-09-2009 |
| 20130057985 | LOAD BEAM WITH LOAD BENDS GENERATING LOAD, HEAD SUSPENSION WITH THE LOAD BEAM, AND METHOD OF FORMING LOAD BENDS OF THE LOAD BEAM - A load beam of a head suspension has a rigid part and a resilient part supported with a base to be attached to a carriage arm. The load beam applies a load onto a head supported at a front end of the rigid part. The load beam includes a load bend formed in each of a pair of legs that extend from widthwise sides of a base end of the rigid part and form the resilient part. The load bend is formed by bending the leg along a bend line that is defined on the leg and extends in a width direction of the load beam. The bend lines on the legs are positionally shifted from each other in a length direction of the load beam. | 03-07-2013 |
| 20090268346 | SUSPENSION ASSEMBLY AND ACTUATOR HAVING THE SAME IN HARD DISK DRIVE - A suspension assembly and an actuator having the same, which are of a hard disk drive (HDD). The actuator includes a swing arm rotatably mounted on a base member; a suspension assembly elastically biasing a slider having a read/write head toward a surface of a disk; and a voice coil motor (VCM) rotating the swing arm so as to move the read/write head to a predetermined position on the disk. The suspension assembly includes a load beam coupled to an end of a swing arm of an actuator; a flexure attached to the load beam so as to support the slider; and a tip-tab which extends from a front end of the load beam so as to contact a ramp that is installed in the vicinity of the disk when the read/write head is parked, wherein a width of a contact part of the tip-tab that contacts the ramp is wider than other parts of the tip-tab. The actuator of the tip-tab is positioned in the middle part of the tip-tab in a longitudinal direction, and a width of a part engaged with the load beam and a width of a front part of the tip-tab are smaller than the width of the contact part. The width of the tip-tab increases gradually from the front end of the load beam up to the contact part, and decreases gradually after the contact part. | 10-29-2009 |
| 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 |
| 20120224281 | FLEXURE AND HEAD SUSPENSION WITH FLEXURE - A flexure has a metal base plate, an insulating layer formed on the metal base plate, a wiring pattern formed on the insulating layer, a read-write head connected to a first end of the wiring pattern, and terminals for external connection that are adjacent to each other and are connected to a second end of the wiring pattern. The flexure includes a hole formed through the insulating layer in the vicinity of respective one of the adjacent terminals and an exposed part being a part of the metal base plate that is exposed through the hole to the terminals. A distance between the respective one of the adjacent terminals and the exposed part exposed through the hole in the vicinity thereof is shorter than a distance between the adjacent terminals. | 09-06-2012 |
| 20110051289 | HEAD-GIMBAL ASSEMBLY INCLUDING PIEZOELECTRIC ELEMENTS - A head-gimbal assembly (HGA). The HGA includes a deformable plate affixed to a load beam, a piezoelectric element affixed to the deformable plate, and a base plate affixed to the deformable plate. The deformable plate includes: a hole; a first section in front of the hole and affixed to the load beam; a second section behind the hole and affixed to the base plate; and, first and second spring members that join the first section and the second section, can deform in a front-back direction, and are positioned to sandwich the hole in a left-right direction. The piezoelectric element is affixed between the first section and the second section. The base plate includes projection members on a front edge of the plate and projecting out toward the first section. The front edges of the projection member are positioned further to a front edge than a back edge of the hole. | 03-03-2011 |
| 20100202087 | Magnetic Head Suspension - It is an object to achieve prevention of lowering resonant frequency and improved production efficiency while achieving reduction in weight of a supporting part with a boss portion and reduction in thickness at area at which the boss portion is located. In the present invention, the supporting part includes a first supporting member with which a load bending part is connected, and a second supporting member with the boss portion and a main body region extended radially outward from the boss portion. At least one of the inner periphery of the mount hole and the outer periphery of the main body region is integrally provided with a rib region. The first and second supporting members are connected to each other by a restoring force of the rib region that has been elastically and/or plastically deformed by the other one of the inner periphery of the mount hole and the outer periphery of the main body region with the main body region being located at least partially in the mount hole in a through-thickness direction. | 08-12-2010 |
| 20090103212 | Magnetic Head Suspension - An elastic plate connected at both ends to a pair of supporting pieces of a supporting portion and connected at center to a member forming a load beam portion functions as a load bending portion, thereby enhancing impact resistance against jumping motion of a magnetic head slider. A balance mass member is mounted on a portion of the member forming the load beam portion positioned on a base-end side than the elastic plate, thereby enhancing impact resistance against clashing motion of the balance mass member while equilibrating mass between tip-end and base-end sides of the load beam portion. A narrowest portion of the supporting portion is positioned, with respect to the suspension lengthwise direction, between a position of a base-end of a concave portion defined the pair of supporting pieces and a position where phantom lines extending from inner side edges of arm areas of the supporting pieces intersect with a longitudinal center line of the suspension, thereby effectively reducing mass of tip-end side of the supporting portion without deteriorating rigidity of the supporting pieces. | 04-23-2009 |
| 20110007424 | Magnetic Head Slider Locking Apparatus - The present invention aims to realize cost reduction and improved durability of a magnetic head slider locking apparatus for detachably mounting a magnetic head slider to a magnetic head suspension. | 01-13-2011 |
| 20100033876 | Method of manufacturing head suspension and head suspension - A head suspension | 02-11-2010 |
| 20100079915 | MAGNETIC HEAD ASSEMBLY AND MAGNETIC DISK DEVICE - According to one embodiment, a magnetic head assembly includes a magnetic head, a tang portion, a pair of arm portions, a connecting portion, a flexure, a load beam, and a damper. The tang portion supports the magnetic head. The arm portions support the tang portion, and are connected to the tang portion while being connected to each other at a rear side of the tang portion. The connecting portion connects the arm portions. The flexure has a narrow portion being narrow in the width direction behind the connecting portion. The flexure guides wirings extending backward the narrow portion to be connected to the magnetic head. The load beam extends in the front-back direction while supporting the flexure, and has an opening through which a portion of the flexure is exposed. The damper is arranged on the load beam and the portion of the flexure. | 04-01-2010 |
| 20090190260 | HEAD SUSPENSION AND HEAD SUSPENSION ASSEMBLY AND STORAGE APPARATUS - A head slider is mounted at the mounting area on a plate-shaped gimbal in a head suspension. A swelling is formed on the load beam. A viscoelastic body is interposed between the load beam and the gimbal. The back surface of the gimbal is received on the swelling. The head slider on the gimbal is allowed to change its attitude on the swelling. When the gimbal is received on the viscoelastic body, the viscoelastic body serves to suppress the vibration of the gimbal, namely the head slider. | 07-30-2009 |
| 20100277834 | DISK DRIVE SUSPENSION AND MANUFACTURING METHOD THEREFOR - In a disk drive suspension including a baseplate, a load beam, and a flexure, the suspension comprises a recess formed in one surface of the load beam relative to the thickness thereof, a damping material contained in the recess, and a lid portion superposed on the damping material so as to cover at least a part of the recess. The lid portion is formed of a part of a flexure. The flexure is an example of a suspension constituent member. | 11-04-2010 |
| 20100271734 | HEAD STACK ASSEMBLY, A HARD DISK DRIVE INCLUDING THE SAME, AND A METHOD OF MANUFACTURING THE SAME - Provided are an HSA with reduced off-track and an HDD including the HSA. The HSA includes a swing arm rotatably mounted on a base member of an HDD; a connecting plate coupled to a front edge of the swing arm; a suspension coupled to the connecting plate to vibrate finely; a pair of hinges disposed on both sides of a center line of the suspension to connect the connecting plate to the suspension; and a head slider that is a recording or reproducing medium of data mounted on the front edge of the suspension. When a hinge between the pair of hinges, which is closer to a center of the disk of the HDD than the other is, is referred to as a first hinge and the other hinge is referred to as a second hinge, the first hinge has a thickness greater than a thickness of the second hinge. | 10-28-2010 |
| 20090190261 | Magnetic Head Suspension - A load bending part includes a pair of first elastic plate parts and a second elastic plate part. The pair of first elastic plate parts are elastically deformed in a bended manner so as to generate a first pressing load. The second elastic plate part is positioned between the pair of first elastic plate parts in the suspension widthwise direction in a state of having both ends in its longitudinal direction connected to a pair of support pieces of a supporting part, and are elastically deformed in a twisted manner around a twist axis line along the suspension widthwise direction so as to generate a second pressing load. The total of the first and second pressing loads functions as a load for pressing the magnetic head slider toward the disk surface against air pressure due to rotation of a disk surface. | 07-30-2009 |
| 20090161259 | Asymmetric Load Beam for Improving Resonance Performance of Hard Disk Drive Suspension - A structure for a load beam used in hard disk drive devices includes an asymmetric structure. The load beam exhibits longitudinal asymmetry (i.e., is asymmetric along its long axis) in regard to the weight distribution, but has a center of mass that lies along its longitudinal axis due to the provisioning of counterbalancing features, such as the addition of material, the removal of material, or a combination of adding material and removing material, or the use of an asymmetrical damping layer. | 06-25-2009 |
| 20120069475 | Head Suspension Load Beam with Stiffening Features - Embodiments provide head suspension load beams formed from a sheet of material with one or more stiffening members molded on the sheet. In some cases the sheet material includes an out-of-plane portion extending out at a nonzero angle, and the stiffening member includes a rib formed on the sheet material about the out-of-plane portion of the sheet material. In some cases a void extending through the sheet material connects portions of a stiffening member on opposite surfaces of the sheet material. Ribs of stiffening material may also provide flow pathways for directing moldable material to portions of the sheet, such as for forming a rib about the sheet edge. A method of making a load beam includes placing a sheet material within an injection mold and bending a portion of the sheet material during the molding process. | 03-22-2012 |
| 20090097162 | Head suspension, load beam, and method of manufacturing load beam - A load beam is capable of securing a required level of positioning accuracy for a slider, a load beam has a body and a dimple, the body is made of a plate having a first surface and a second surface, the dimple has a convex curved surface protruding from the first surface of the body and supports a slider so that the slider is movable in predetermined directions to write and read information to and from a disk in a disk drive, and the load beam includes a mark formed on the second surface of the body, configured to provide positional information about a vertex of the dimple. | 04-16-2009 |
| 20090002892 | HEAD SUPPORT MECHANISM AND DISK DEVICE PROVIDED WITH THE SAME - According to one embodiment, a head support mechanism includes a plate-shaped arm, a load beam in the form of an elongated plate having a distal end portion on which a head is supported and a proximal end portion spaced from the distal end portion; and a hinge plate which connects the arm and the proximal end portion of the load beam and has a load bending portion which is subjected to bending work and applies a predetermined load to the head. The load beam includes a sub-bent portion which is less stiff than any other parts of the load beam, and the hinge plate includes a traverse portion which is fixed overlapping the sub-bent portion on the load beam and configured to adjust the stiffness of the sub-bent portion. | 01-01-2009 |
| 20110228425 | SUSPENSION ASSEMBLY HAVING A MICROACTUATOR ELECTRICALLY CONNECTED TO A GOLD COATING ON A STAINLESS STEEL SURFACE - A novel suspension assembly includes a suspension assembly mounting plate, a microactuator mounting structure extending from the suspension assembly mounting plate, a load beam extending from the microactuator mounting structure, and a laminated flexure attached to the load beam. The laminated flexure includes a tongue that has a read head bonding surface. The suspension assembly includes a stainless steel surface having a gold coating, and a piezoelectric microactuator attached to the microactuator mounting structure and electrically connected to the gold coating. | 09-22-2011 |
| 20100238593 | HEAD STACK ASSEMBLY INCORPORATING DEVICE, MAGNETIC DISK DEVICE MANUFACTURING DEVICE, AND METHOD OF MANUFACTURING MAGNETIC DISK DEVICE - According to one embodiment, a head stack assembly incorporating device connects a head stack assembly to the base of a magnetic disk device by screwing a connector on the bottom surface of the rotational shaft of the head stack assembly and a connector on the base of the magnetic device together. The head stack assembly incorporating device includes a chuck and a driving-force transmitter. The chuck pinches the rotational shaft of the head stack assembly from the upper surface of the head stack assembly to be fixed to the rotational shaft. The chuck is rotatable around the central axis of the rotational shaft. The driving-force transmitter transmits a rotational force to the chuck. | 09-23-2010 |
| 20100208389 | LOAD BEAM, SUSPENSION WITH LOAD BEAM, AND METHOD FOR MANUFACTURING SUSPENSION - A suspension for supporting a magnetic head is provided with a load beam formed of a thin-plate spring. A recess for accommodating a damper is formed in the load beam. The damper is affixed to a bottom surface of the recess. | 08-19-2010 |
| 20110051290 | POWER SUPPLY STRUCTURE FOR PIEZOELECTRIC ACTUATOR AND HEAD SUSPENSION EMPLOYING THE SAME - A power supply structure for a piezoelectric actuator is provided. The piezoelectric actuator has a base member, a movable member, and a piezoelectric element arranged between the base member and the movable member. When receiving electric power, the piezoelectric element causes a shear deformation to minutely move the movable member relative to the base member. The power supply structure includes a wiring member, a wiring connector, a through hole, and a contact. The wiring member has a conductive base layer, an insulating layer, and a conductor layer, the conductive base layer having an insular part and a main part that is electrically isolated from the insular part. The wiring connector has a first face joined with an electrode of the piezoelectric element and a second face joined with the insular part. The through hole is formed through at least the insulating layer of the wiring member. The contact is formed in the through hole, to electrically connect the conductor layer of the wiring member to the wiring connector and to the piezoelectric element. This power supply structure allows wiring work to the piezoelectric element to be carried out reliably without damaging the piezoelectric element. | 03-03-2011 |
| 20110255196 | PMR writer with graded side shield - A perpendicular magnetic recording (PMR) head is fabricated with a pole tip shielded laterally by a graded side shield that is conformal to the shape of the pole tip at an upper portion of the shield but not conformal to the pole tip at a lower portion. The shield includes a trailing shield, that is conformal to the trailing edge of the pole tip and may include a leading edge shield that magnetically connects two bottom ends of the graded side shield. | 10-20-2011 |
| 20110096438 | HEAD-GIMBAL ASSEMBLY WITH TRACE CONFIGURED TO REDUCE STRESS ON A MICROACTUATOR AND DISK DRIVE INCLUDING THE HEAD-GIMBAL ASSEMBLY - A head-gimbal assembly. The head-gimbal assembly includes a gimbal including a tongue, a stage forming a portion of the tongue, a head-slider bonded to the stage, first and second piezoelectric elements disposed on a rear side of the stage within an area of the tongue, and a trace formed on the gimbal. The first and second piezoelectric elements include respectively both a front connection pad and a rear connection pad, and are configured to extend and to contract in a fore-and-aft direction. The trace includes a plurality of leads for connecting a plurality of connection pads interconnected with a plurality of connection pads of the head-slider and configured for interconnection to connection pads of a preamplifier integrated circuit. The plurality of leads runs through and in between the front connection pad of the first piezoelectric element and the front connection pad of the second piezoelectric element. | 04-28-2011 |
| 20090316305 | VIBRATION REDUCING HEAD SUSPENSION MECHANISM FOR A MAGNETIC DISC UNIT - There is provided a head suspension mechanism capable of more effectively restraining sway mode and second-order torsion mode vibrations of the head suspension mechanism caused by an air flow. A flange portion having a free end portion | 12-24-2009 |
| 20090174966 | Swivel Arm Actuator for Multiple Directions of Movement - The invention relates to a suspension arm actuator for a plurality of directions of motion, which comprises a suspension arm designed as a two-arm lever and supported against a support and mounted to said support such that it can be pivoted, said suspension arm supporting on one of its lever arms a component that has to be actuated or being operably connected to such a component and being provided with a magnetic drive on the other lever arm for initiating a first swivel motion about an axis extending perpendicularly to the suspension arm, with a magnetic drive being allocated to said suspension arm for initiating a motion perpendicularly to this swivel motion. The invention solves the problem of designing such a suspension arm such that the latter's design is less complicated and laborious. To achieve this, the two magnetic drives are combined in the magnetic drive which is arranged on the lever arm facing away from the component, and this single magnetic drive is formed such that it generates an inhomogeneous magnetic field which allows initiating both the first swivel motion of the component and the motion of the component perpendicularly thereto. | 07-09-2009 |
| 20110317312 | FLEXURE AND METHOD OF FORMING WIRING PART OF FLEXURE - A flexure includes a metal substrate whose front end supports a slider and a wiring part having a base insulating layer and a conductor layer formed on the base insulating layer. The wiring part includes a normal wiring part that is on the metal substrate and an aerial wiring part that is on a space separated from the metal substrate. The base insulating layer of the aerial wiring part is formed to be thinner than that of the normal wiring part. This configuration reduces a rigidity contribution ratio of the wiring part. | 12-29-2011 |
| 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 |
| 20120127614 | METHOD OF TESTING FITTED STATE OF PIEZOELECTRIC ELEMENT AND HEAD SUSPENSION - A method of testing a fitted state of a pair of piezoelectric elements fitted to form an actuator between a base member and a movable member, the piezoelectric elements in the actuator being arranged side by side in opposite polarity and being electrically connected in parallel with each other, and when a voltage is applied to the piezoelectric elements, minutely moving the movable member relative to the base member in a direction in which the piezoelectric members are arranged side by side. The method detects changes in capacitance of the piezoelectric elements with respect to changes in bias voltage applied to the piezoelectric elements, the bias voltage being changed within a predetermined range, and determines a fitted state of the piezoelectric elements according to a characteristic of the detected capacitance changes. The method correctly and easily determines whether or not the piezoelectric elements are correctly fitted to the actuator. | 05-24-2012 |
| 20120176703 | METHOD OF MANUFACTURING PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, AND HEAD SUSPENSION - An method of manufacturing a piezoelectric element easily and surely forms polymer coatings on peripheral end faces of the piezoelectric element without deteriorating a yield of the piezoelectric element. The method includes steps of cutting a piezoelectric element out from a base piezoelectric material plate so that peripheral end faces are formed to define a peripheral shape of the piezoelectric element, and forming polymer coatings on at least objective areas of the peripheral end faces of the piezoelectric element by vapor deposition polymerization, respectively. | 07-12-2012 |
| 20110096439 | DISK DRIVE SUSPENSION - A disk drive suspension is provided with a load beam and a flexure. A tongue portion is formed on the flexure. The tongue portion comprises a slider mounting surface and a flat portion. A slider is mounted on the slider mounting surface. A dimple is formed on the flat portion. A tip of the dimple projects thicknesswise relative to the tongue portion toward the load beam. A protrusion is formed on a facing surface of the load beam. An end face of the protrusion projects thicknesswise relative to the load beam toward the dimple. As the tip of the dimple contacts the end face of the protrusion, the tongue portion is swingably supported on the protrusion. | 04-28-2011 |
| 20100328820 | Dimple forming apparatus and dimple forming method - A dimple forming apparatus for forming dimple on a workpiece at a desired position comprises a base mould with a concave surface, a heating unit and a forming pin with a spherical surface. The base mould is configured to be positioned below the workpiece. The heating unit is configured to heat the desired position of the workpiece for enhancing tractility of the desired position of the workpiece, and the forming pin is configured to be positioned above workpiece with the spherical surface of the forming pin aiming toward the desired position of the workpiece heated by the heating unit. The heating unit successfully enhances the tractility of desired position of the workpiece before the desired position of the workpiece is punched by the forming pin, and produces low stress at the junction of the dimple formed by the forming pin punching and the workpiece of the workpiece. The present invention also discloses a dimple forming method, a head gimbal assembly and a method for manufacturing a head gimbal assembly. | 12-30-2010 |
| 20120087043 | Magnetic Head Suspension - Each of side edges of a main body portion of a load beam part includes a proximal end region inclined at a first inclination angle so as to come closer to a suspension longitudinal center line as it goes from proximal to distal sides, and a distal end region inclined at a second inclination angle smaller than the first inclination angle so as to come closer to the center line as it goes from a proximal side connected via an inflection point to a distal end of the proximal end region to a distal side. | 04-12-2012 |
| 20110141624 | HEAD SUSPENSION AND METHOD OF MANUFACTURING HEAD SUSPENSION - A head suspension has a base, a piezoelectric element, a load beam, and a wiring member to supply electric power to the piezoelectric element so that the piezoelectric element deforms to move the load beam relative to the base. The wiring member has a conductive base layer, an insulating layer, and a wiring layer layered in this order. The wiring layer has a wiring electrode. The piezoelectric element has an element electrode. A through hole is formed through the conductive base layer and insulating layer, to expose the wiring electrode to the element electrode. A projection is formed on at least one of the wiring electrode and element electrode, to face the other electrode through the through hole. The projection brings the electrodes into contact with each other and a conductive adhesive joins the electrodes and together. | 06-16-2011 |
| 20130021698 | GIMBAL LIMITER FOR SUSPENSION WITH LIFT TAB - A head suspension for a disk drive with a load beam having continuous rails and a distal lift tab. A dimple is positioned proximal to the lift tab, either on the load beam or the gimbal, the dimple providing a pitch axis and a roll axis for the slider. The suspension also includes at least one tab member fixed in relation to the load beam, where each of the at least one tab member is aligned with or is distal to the dimple. The at least one tab and a portion of the gimbal define a gimbal limiter that is aligned with or distal to the dimple. The at least one tab member extends either longitudinally or laterally from the load beam at or distal to the dimple. | 01-24-2013 |
| 20100085663 | HEAD SUSPENSION AND METHOD OF MANUFACTURING HEAD SUSPENSION - A head suspension | 04-08-2010 |
| 20120250191 | Magnetic Head Suspension - Provided that a distance between a distal edge of a supporting part and a dimple is represented by L | 10-04-2012 |
| 360244300 | Laminated beam | 5 |
| 20120176704 | LOAD BEAM, SUSPENSION WITH LOAD BEAM, AND METHOD FOR MANUFACTURING SUSPENSION - A suspension for supporting a magnetic head is provided with a load beam formed of a thin-plate spring. A recess for accommodating a damper is formed in the load beam. The damper is affixed to a bottom surface of the recess. | 07-12-2012 |
| 20110279928 | SUSPENSION SUBSTRATE, SUSPENSION, HEAD SUSPENSION, HARD DISK DRIVE, AND METHOD FOR MANUFACTURING SUSPENSION SUBSTRATE - A suspension substrate according to the present invention includes: an insulating layer; a spring material layer provided on one face of the insulating layer and having conductivity; and a plurality of wirings provided on the other face of the insulating layer. One wiring includes a head-side wiring part extending from the head portion, and a plurality of division wiring parts respectively bifurcated from the head-side wiring part. The spring material layer includes a spring material main body, and a wiring spring material part separated from the spring material main body, via a groove. A conductive connecting part extending through the insulating layer is provided in the insulating layer. Each of the division wiring parts of the one wiring is connected with the wiring spring material part, via the conductive connecting part. | 11-17-2011 |
| 20090207528 | DISC FLUTTER COMPENSATING SUSPENSION - A suspension is provided, which has proximal and distal ends and a longitudinal axis extending from the proximal end toward the distal end. A rotating hinge rotates the distal end about the longitudinal axis in response to vertical motion of the distal end relative to the proximal end. In one example, the suspension includes a preformed twist deformation, which rotates the distal end about the longitudinal axis relative to the proximal end axis in a direction opposite to rotation by the rotating hinge, in response to the vertical motion. | 08-20-2009 |
| 20080278856 | Fixing apparatus for hard disk drive - An exemplary fixing apparatus is for mounting a hard disk drive having a plurality of holes in sidewalls thereof. The fixing apparatus includes a first fixing plate, a bracket, and a transverse bar. The bracket includes a second fixing plate, and a bezel assembly attached to a first end of the second fixing plate. Each of the first fixing plate and the second fixing plate include a plurality of fixing members formed at inside walls thereof to engage in the holes of the disk drive. The first fixing plate is pivotally attached to a free end of the bezel assembly. One end of the transverse bar is pivotally attached to a second end of the second fixing plate opposite to the first end and the other end of the transverse bar detachably engages with the first fixing plate. | 11-13-2008 |
| 20080253028 | SYSTEM AND APPARATUS FOR VIBRATION DAMPING OF INTEGRATED LEAD SUSPENSIONS IN HIGH DENSITY MAGNETIC STORAGE DEVICES - An integrated lead suspension (ILS) has a constrained layer damper (CLD) that attenuates vibration of the ILS. The CLD may be applied over an already assembled ILS such that the CLD is applied to the cover layer, to the base layer, or to both. Alternatively, the ILS may be encapsulated via a deposition process such that a damping layer is sandwiched between the conductor layer and the cover layer of the ILS, between the conductor layer and the dielectric layer of the ILS, or both. | 10-16-2008 |
| 360244500 | Actuator mount region detail | 12 |
| 20130077193 | Magnetic Head Suspension and Manufacturing Method Thereof - A magnetic head suspension includes a supporting part, a load bending part, a load beam part and a flexure part, and is configured so that a condition of L | 03-28-2013 |
| 20090046389 | SPACER KEYS WITH PIVOTING SUPPORTS - An apparatus for attaching one or more HGAs to an actuator assembly including one or more actuator arms comprises a set of pivoting supports corresponding to the one or more HGAs and mechanisms that pivot each of the pivoting supports between open positions and closed positions. For each of the set of pivoting supports, in the open position, a gap adjacent to the pivoting support is sufficiently large to receive both a mounting platform of one of the actuator arms and a baseplate of one of the HGAs positioned in alignment with the mounting platform of the one of the actuator arms, and, for each of the set of pivoting supports, in the closed position, the gap is sufficiently small to constrain the baseplate of the one of the HGAs against the mounting platform of the one of the actuator arms. | 02-19-2009 |
| 20120236438 | Magnetic Head Suspension - The present invention provides a magnetic head suspension, wherein a supporting portion such as an arm or base plate includes a pair of supporting pieces extending from its opposite sides in the widthwise direction to a tip-end side of the suspension, and a concave portion which is defined by the pair of supporting pieces and is opened toward the tip-end side of the suspension, there is provided an elastically-deformable elastic plate which is connected to the pair of supporting pieces at a first end and a second end in the widthwise direction of the magnetic head suspension, the member forming the load beam portion is connected to the elastic plate, and the elastic plate forms the load bending portion. | 09-20-2012 |
| 20110128653 | REDUCING GRAM LOAD CHANGE IN ACTUATOR ARM IN A HARD DISK DRIVE - Swaging a suspension base plate to an actuator arm for a hard disk drive. A portion of material adjacent to a hole in the actuator arm is removed to create an opening to receive material. A flange of the suspension base plate is inserted into the hole in the actuator arm. The suspension base plate is swaged to the actuator arm, wherein the swaging causes material from the suspension base plate to flow into the opening. | 06-02-2011 |
| 20090147406 | Magnetic disk device and head stack assembly - Embodiments of the present invention relate disk drives, and in particular to realizing a positioning accuracy equal to that of an actuator having the mountable maximum number of suspensions, in an actuator having the smaller number of suspensions than the mountable maximum number. An embodiment of a magnetic disk device includes an actuator having an arm to which a suspension for applying a predetermined load onto a slider with a magnetic head is attached, and an arm to which a plate is attached instead of having the suspension. The plate attached to the arm in place of the suspension has a partially small section with respect to a section perpendicular to an arm longitudinal direction (constricted part), and the constricted part is located between a plate leading end and an arm attachment part. | 06-11-2009 |
| 20100265620 | DISK DRIVE SUSPENSION - In a disk drive suspension including a baseplate and a load beam, a boss portion and protrusions are formed on the baseplate. The protrusions are formed in positions on a first surface of the baseplate off a reference mounting surface in contact with a suspension bearing surface of an actuator arm. Further, the protrusions are formed on a second surface located opposite from the first surface and project relative to the thickness of the baseplate. These protrusions serve to prevent a plurality of baseplates from closely contacting one another during their manufacture. | 10-21-2010 |
| 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 |
| 20120002328 | HEAD STACK ASSEMBLY AND DISK DRIVE WITH THE SAME - According to an embodiment, a head stack assembly includes an arm including a swaged seat surface with swaged hole, a load beam supporting a head, and a baseplate secured to a proximal end portion of the load beam, including an annular protrusion secured to the swaged hole of the arm by swaging, and secured to the swaged seat surface. The arm includes a distal end portion located on a longitudinal end side of the arm with respect to the center of the swaged hole and being less rigid than the other portion of the arm around the swaged hole. | 01-05-2012 |
| 20120275064 | DISK DRIVE SUSPENSION - In a disk drive suspension including a baseplate and a load beam, a boss portion and protrusions are formed on the baseplate. The protrusions are formed in positions on a first surface of the baseplate off a reference mounting surface in contact with a suspension bearing surface of an actuator arm. Further, the protrusions are formed on a second surface located opposite from the first surface and project relative to the thickness of the baseplate. These protrusions serve to prevent a plurality of baseplates from closely contacting one another during their manufacture. | 11-01-2012 |
| 20110141625 | HEAD SUSPENSION - A head suspension has a base plate including a flange. The flange has a first face attached to the carriage arm and a second face attached to an auxiliary member. A first-face contact is circumferentially formed along an outer circumferential edge of the first face of the flange, so that the first-face contact among parts of the base plate except the boss is most proximal to the carriage arm. A second-face contact is circumferentially formed along an outer circumferential edge of the second face of the flange, so that the second-face contact among parts of the base plate including the boss is most proximal to the auxiliary member. This configuration allows the auxiliary member to be correctly aligned with and attached to the second face of the flange. | 06-16-2011 |
| 360244600 | Ball staking | 1 |
| 20130057986 | SYSTEM AND METHOD TO ALIGN A BOSS OF A HEAD GIMBAL ASSEMBLY TO A BOSS HOLE OF AN ACTUATOR ARM FOR DISK DRIVE ASSEMBLY - Disclosed is a method and system comprising: an alignment pin to be positioned adjacent to the boss hole (BH) of an actuator arm (AA); an actuator coupled to the alignment pin to move the alignment pin; an imaging device; and a computing device that performs operations including: commanding the imaging device to produce an image of the position of the alignment pin relative to the BH of the AA; commanding the HGA to be positioned in the AA such that the boss of the HGA is adjacent to the BH of the AA; and, based on the image, commanding the actuator to move the alignment pin such that the alignment pin is concentric relative to the BH and to move the alignment pin through an opening of the boss of the HGA such that the boss of the HGA is concentric and aligned with the BH of the AA. | 03-07-2013 |
| 360244700 | Adhesive | 1 |
| 20090052088 | Swaging process for actuator arm of hard disk drive - A hard disk drive that includes an actuator arm assembly with an adhesive attached to an actuator arm and a head gimbal assembly swage openings of the arms. The adhesive can be attached to either head gimbal assembly or arm before they are joined together. The head gimbal assembly is then placed on the actuator arm: A swage ball is pushed through the openings to swage the head gimbal assembly to the actuator arm. The adhesive strengthens the attachment of the head gimbal assembly to the actuator arm. The increase in strength can further attenuate vibration that is transmitted into the actuator arm assembly. | 02-26-2009 |
| 360244800 | Spring region detail | 3 |
| 20090195934 | DEVICE AND METHOD FOR MANUFACTURING SPRING MEMBER - A spring member manufacturing device that manufactures the spring member by laser irradiation includes a laser irradiation unit including a plurality of laser irradiation devices that perform predetermined laser irradiation with respect to the spring member. In the spring member manufacturing device, the laser irradiation devices are configured so that laser irradiated conditions different from each other are preset for the respective laser irradiation devices, and are arranged so that the respective irradiated positions do not overlap each other. The laser irradiation apparatus is constituted by combining laser irradiation devices having laser irradiation conditions being 2 to the (n−1)th power, n being a positive integer,of predetermined minimum adjustment amount for adjusting load on the spring member. The combination of the laser irradiation devices are selected in accordance with load adjusting amount required for the spring member. | 08-06-2009 |
| 20100220413 | SLIDER SUPPORT MECHANISM, SPRING FORCE CONTROL METHOD AND SPRING FORCE CONTROLLER - According to one embodiment, a slider support mechanism includes a flexure includes a distal end portion on a front side mounted with a slider includes a magnetic head configured to record/reproduce data on/from a recording medium, a hinge plate configured to produce spring force urging the slider toward the recording medium, a load beam joined to a front portion of the hinge plate, and a base plate joined to a rear portion of the hinge plate. The flexure comprises a front portion on a back side joined to the load beam, a rear portion on the back side joined to at least one of the rear portion of the hinge plate and the base plate, and a control mechanism configured to control the spring force. | 09-02-2010 |
| 20080247093 | Suspension for disc drive - A suspension for a 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 along the load beam. The circuit member includes a resin base member formed of a first polyimide, conductors, and a resin cover member formed of a second polyimide. The resin cover member is lower than the resin base member in humidity expansion coefficient. | 10-09-2008 |
| 360245000 | Gimbal mounting region detail | 11 |
| 20090201612 | Magnetoresistive device of the CPP type, and magnetic disk system - The invention provides a magnetoresistive device of the CPP (current perpendicular to plane) structure, comprising a magnetoresistive unit, and a first shield layer and a second shield layer which are located and formed such that the magnetoresistive unit is sandwiched between them from above and below, with a sense current applied in the stacking direction, wherein said magnetoresistive unit comprises a non-magnetic intermediate layer, and a first ferromagnetic layer and a second ferromagnetic layer stacked and formed such that said nonmagnetic intermediate layer is sandwiched between them. | 08-13-2009 |
| 20110292548 | HEAD GIMBAL ASSEMBLIES WITH WINDAGE DIVERSION FEATURES - A head gimbal assembly includes windage diversion structures that can comprise a base plate attached to the head gimbal assembly, a load beam, an actuator arm connected to the load beam, and a slider attached to the load beam. The base plate further comprises a grooved or channel portion that is oriented so that a plurality of grooves or channels diverts at least a portion of air flow away from the slider or load beam. A storage device and a method are also disclosed. | 12-01-2011 |
| 20100296195 | HEAD GIMBAL ASSEMBLY AND DISK DRIVE PROVIDED WITH THE SAME - According to one embodiment, a head gimbal assembly of a disk drive includes an arm and a suspension extending from the arm, a head supported by the suspension, and a flexure on the arm and the suspension. One end portion of the flexure is electrically connected to the head, and the other end portion thereof includes a terminal area. The flexure includes a base insulating layer, a conductor pattern formed on the base insulating layer and having a plurality of connection terminals, and a cover insulating layer formed on the base insulating layer so as to cover the conductor pattern. The connection terminals are exposed to the inside of an opening in the base and cover insulating layers with a protective insulating layer and a thin metal plate overlaid on one surface of each of the connection terminals. | 11-25-2010 |
| 20090073613 | Magnetic Head Supporting Mechanism - A magnetic-head supporting mechanism includes a slider having a chamfered bleed portion, a mounting portion on which the slider is mounted, a flexible finger portion extending in a longitudinal direction and supporting the mounting portion, a load beam extending in the longitudinal direction that connects at an end to a positioning mechanism, and that applies a load to the slider, and a regulating member extending from the load beam in the longitudinal direction for preventing change of an attitude of the slider when an angular attitude of the slider exceeds a predetermined angle. The regulating member extends over and above the flexible finger portion and over and above the slider and has an end in the longitudinal direction at a position approximately equal to an end of the flexible finger portion in the longitudinal direction. | 03-19-2009 |
| 20100097722 | MAGNETORESISTIVE DEVICE OF THE CPP TYPE, AND MAGNETIC DISK SYSTEM - The semiconductor oxide layer that forms a part of the spacer layer in the inventive giant magnetoresistive device (CPP-GMR device) is composed of zinc oxide of wurtzite structure that is doped with a dopant given by at least one metal element selected from the group consisting of Zn, Ge, V, and Cr in a content of 0.05 to 0.90 at %: there is the advantage obtained that ever higher MR ratios are achievable while holding back an increase in the area resistivity AR. | 04-22-2010 |
| 20100226045 | DISK DRIVE FLEXURE - A slit is formed between two opposite side portions of a metal base made of an electrically conductive material. The slit penetrates the metal base thicknesswise and extends longitudinally relative to the metal base. An insulating layer is formed on the metal base. A first conductor is formed within the slit. The first conductor extends longitudinally relative to the metal base along the slit. A second conductor is formed on the insulating layer. The second conductor faces the first conductor across the insulating layer. The second conductor extends longitudinally relative to the metal base along the first conductor. The metal base and the first conductor consist of a common base material, such as a stainless-steel plate. The first conductor is formed by etching the base material. | 09-09-2010 |
| 20100067147 | METHOD AND APPARATUS FOR A HARD DISK DRIVE INCLUDING A BALANCED MICRO-ACTUATOR - This application discloses a hard disk drive, a head stack assembly, and a head gimbal assembly, each including a micro-actuator hinge configured to position a slider over a rotating disk surface with greater stroke sensitivity while reducing bending perpendicular to the disk surface. The micro-actuator hinge includes at least one micro-actuator, a hinge plate and at least one hinge plate cover, with the micro-actuator including a first region and a second region, each coupled between the hinge plate and the hinge plate cover. | 03-18-2010 |
| 20100290159 | Common tray for head gimbal assembly and common tray assembly with the same - A common tray for HGA comprises a frame, a first inner bar, and a second inner bar parallel to and spaced from the first inner bar. Ends of the first and second inner bars connect to the opposite edges of the frame. A plurality of locating pillars and a plurality pairs of first bumps are uniformly-spaced formed on the first inner bar respectively. The first inner bar has portions between each said pair of first bumps recessed for forming spaces under the HGA. A plurality of second bumps are uniformly-spaced formed on the second inner bar for withstanding an edge of the base plate. The present common tray can replace five kinds of trays traditionally used in the HGA manufacturing process, and thus reduce the load/unload operations as well as the no-value stations and operators, thereby the productive efficiency is improved, and manufacturing cost is reduced. | 11-18-2010 |
| 360245100 | Pivot/load button detail | 3 |
| 20080239577 | BALANCED HGA FOR IMPROVED SEEKING PERFORMANCE - In a balanced head gimbal assembly for improved seeking performance, a slider having a magnetic head with a set of read elements to read data and a set of write elements to write data, an air-bearing surface, and a non-air-bearing surface is coupled to a suspension. The suspension includes a loadbeam, a flexure, and a balancing weight. The loadbeam is coupled to an actuator arm. The flexure, coupled to the loadbeam, has a window through which a dimple, coupled to the loadbeam, contacts a dimple contact point. The balancing weight, coupled to the flexure, has a configuration which permits alignment of a center of mass of the head gimbal assembly with the dimple contact point. | 10-02-2008 |
| 20090027807 | Head gimbal assembly having balanced weight, disk drive unit with the same and manufacturing method thereof - A HGA includes a load beam having a dimple formed thereon; a flexure including a suspension tongue and a support plate connected with the suspension tongue; and a slider having a leading edge and trailing edge opposite to the leading edge. The slider is mounted on the flexure such that the slider is supported by the dimple at the center of the slider. The leading edge is attached on the suspension tongue and trailing edge is attached on the support plate. A weight-balance structure is formed on the suspension tongue of the flexure to balance the weight of the HGA between a portion from the trailing edge to the slider center and another portion from the leading edge to the slider center. The invention also discloses various methods of manufacturing HGA with the balanced weight. | 01-29-2009 |
| 20120200959 | FLEXURE BASED SHOCK AND VIBRATION SENSOR FOR HEAD SUSPENSIONS IN HARD DISK DRIVES - Systems and methods for flexure based shock and vibration sensor for head suspensions in hard disk drives. Specifically, this invention deals with operational shock and vibration management within a hard disk drive. In one implementation, the assembly includes a circuit embedded optical waveguide sensor that includes a flexible electrical circuit board with a configuration of either a single or multi layers of conductor traces, a thin flexure gimbal for carrying and flying a HDD slider, a consecutive sensing layer constructed by an optical core and by clad construction with a configuration of either a single core array or a plural core array, an optical loop formed by light input and an output core, optical grating disposed on the consecutive sensing layer forming an optical grating waveguide sensor, a light emitter for injecting light into the optical core, and a receiver receiving the output light from the optical core. | 08-09-2012 |
| 360245200 | Assembly feature | 9 |
| 20090091859 | Head suspension, load beam, method of manufacturing load beam, and method of processing work - A method of manufacturing a load beam directly improves the finishing accuracy of the surface of the load beam having a tab and/or a dimple, and the method includes a modifying process of preparing a flat plate work serving as the load beam and irradiating a part of a surface of the work where the tab and/or the dimple is formed with a laser beam, to form a modified layer in the irradiated part and a forming process of carrying out plastic working on the part where the modifies layer is present, to form the tab and/or the dimple in the part where the modified layer is present. | 04-09-2009 |
| 20100061021 | STORAGE DEVICE, HEAD SUPPORT MECHANISM AND METHOD OF MANUFACTURING THEREOF - A storage device includes a head that reads and writes data from and to a recording medium and a head support mechanism that supports the head. The head support mechanism includes a first arm member that holds the head, a second arm member that supports the first arm member, a wiring member that has a first end and a second end and includes an extension portion extending toward the second arm member, and a fixing element. The second arm member and the first arm member are joined together at a joint portion. The wiring member is connected with the head at the first end. The extension portion is provided at the second end. The fixing element fixes the extension portion at a position near the joint portion. | 03-11-2010 |
| 20100208390 | HEAD SUSPENSION - A head suspension has a base plate | 08-19-2010 |
| 20100226046 | DISK DRIVE DEVICE FOR ROTATING A DISK - In the brushless motor, a hub has a cylindrical separating wall in between a yoke and two magnetic recording disks. The yoke is affixed to the inner surface of the separating wall of the hub using both a press-fit and adhesion. A first convex portion and a second convex portion are formed on the inner surface of the separating wall, and the yoke is pressed against these convex portions in the case where the yoke is press-fit. The first convex portion and the second convex portion are formed in a ring shape around the rotational axis of the motor. The diameter of the first convex portion is less than the diameter of the second convex portion. | 09-09-2010 |
| 20120206836 | Pivot Attach Method for Disk Drive Actuator Using Taper Lock Shims - Various methods and apparatus relating to disk drive actuators and methods of manufacturing them are disclosed and claimed. In certain embodiments, a disk drive actuator assembly comprises a pivot bearing defining a pivot bearing rotational axis; an actuator arm including a bore, the pivot bearing disposed at least partially within the bore; a first tapered shim, interposed in the bore between the pivot bearing and the actuator arm, the first tapered shim having a thickness at a first end greater than a thickness at a second end; and a second tapered shim, interposed in the bore between the pivot bearing and the actuator arm, the second tapered shim having a thickness at a third end greater than a thickness at a fourth end; wherein the second tapered shim frictionally engages the first tapered shim to hold the pivot bearing substantially in place relative to the actuator arm. | 08-16-2012 |
| 20110085270 | Suspension for Protecting a Component from Mechanical Shock - Approaches for protecting a component when a hard-disk drive (HDD) experiences a mechanical shock. An HDD includes a suspension comprising a load beam, a gimbal, and a flexure tongue. A component, such as a microactuator, is mounted on the suspension. The flexure tongue extends to at least the edge of the microactuator that is furthest from the gimbal. The flexure tongue prevents the microactuator from contacting the load beam when the HDD receives a mechanical shock. Alternately, the flexure tongue may comprise a tip portion that extends beyond the edge of the microactuator that is furthest from the gimbal, and the tip portion of the flexure tongue may deform to act as shock absorber when the HDD receives a mechanical shock. Alternately or additionally, a padding material may be used to prevent the microactuator or the flexure tongue from contacting the load beam when the HDD receives a mechanical shock. | 04-14-2011 |
| 20130120878 | INTEGRATED RECORDING HEAD WITH SELECTIVE MOVEMENT - 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 surface of the magnetic storage medium, thereby enabling improved positioning of the transducer during recording head read and write operations. Various structures are disclosed to bi-directionally actuate the recording head transducer. In one embodiment, an interleaver assembly having a plurality of flexure assemblies employs a motor including magnetic portions for selective, bi-directional actuation. In another embodiment, electrostatic charges are employed in the flexure assemblies for selective actuation. In yet another embodiment, piezoelectric elements are included to provide for selective actuation. | 05-16-2013 |
| 20130128387 | SUSPENSION WITH HIGH CONDUCTIVITY GROUND LAYER - A suspension is configured to support a magnetic head slider having a recording head element for recording data signals to a magnetic recording medium and a microwave generating element that applies a high-frequency magnetic field to the magnetic recording medium when recording is conducted by the recording head element. The suspension includes a flexure that supports the magnetic head slider and a microwave signal transmission line. The microwave signal transmission line is connected to the microwave generating element and configured to transmit microwave signals for generating the high-frequency magnetic field. A portion that supports the microwave signal transmission line of the flexure includes a lamination structure, a ground layer with the thickness of 0.1 μm or greater and less than 2 μm and having higher conductivity than that of the flexure main plate, and an insulating layer that supports the microwave signal transmission line. | 05-23-2013 |
| 20130128388 | SUSPENSION WITH HIGH CONDUCTIVITY GROUND LAYER - A suspension is configured to support a magnetic head slider having a recording head element for recording to a magnetic recording medium and a microwave generating element that applies a high-frequency magnetic field to the magnetic recording medium when recording is conducted by the recording head element. The suspension has a flexure that supports the magnetic head slider, a microwave signal transmission line and a recording signal transmission line. The microwave signal transmission line is connected to the microwave generating element and configured to transmit microwave signals for generating the high-frequency magnetic field. The microwave signal transmission line and the recording signal transmission line are supported between the main body part and the support part, a portion of which has a first lamination structure where a first ground layer is conductive and a first insulating layer supports the microwave signal transmission. | 05-23-2013 |