| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 360244500 | Actuator mount region detail | 25 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 20130314820 | MAGNETIC RECORDING HEAD, MAGNETIC HEAD ASSEMBLY, AND MAGNETIC RECORDING/ REPRODUCTION APPARATUS - According to one embodiment, a magnetic recording head includes a main magnetic pole, an auxiliary magnetic pole, and a spin torque oscillator formed between them. The spin torque oscillator includes a main oscillation layer and spin sink layer as an oscillation layer. The spin sink layer contains one of iron and cobalt, and at least one element selected from the group consisting of platinum, palladium, ruthenium, tantalum, chromium, terbium, gadolinium, europium, dysprosium, and samarium. | 11-28-2013 |
| 20130314821 | CONDUCTING MEMBER OF DISK DRIVE SUSPENSION AND DISK DRIVE SUSPENSION - A terminal area includes a metal plate, an electrically insulating layer, and a conductor layer. An opening section is formed in the metal plate and the insulating layers A gold plating layer is formed on a surface of the conductor layer inside the opening section. A porous metal layer of a first transition element is formed on a surface of the gold plating layer. Through-holes of the porous metal layer reach the surface of the gold plating layer. An electrically conductive adhesive is provided between an electrode of an actuator element and the porous metal layer. An anchor portion of the electrically conductive adhesive gets into the through holes and is cured. Conductive particles of the electrically conductive adhesive contact the gold plating layer. | 11-28-2013 |
| 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 |
| 20160131190 | PIVOT ASSEMBLY BEARING AND DISK DRIVE DEVICE - A pivot assembly bearing includes: a sleeve, a shaft inserted into the sleeve, a pair of rolling bearings disposed between the sleeve and the shaft such that the rolling bearings are separated apart from each other in an axial direction. The rolling bearings include an inner ring fixed to the shaft, an outer ring fixed to the sleeve, and a rolling element provided between the inner ring and the outer ring. In at least one of the rolling bearings, a first sealing member contacts an end face of the outer ring facing an outer side in the axial direction. Thus, a first labyrinth gap between the first sealing member and an end face of the inner ring facing the outer side in the axial direction, and a second labyrinth gap between the first sealing member and the shaft are formed. | 05-12-2016 |
| 360244600 | Ball staking | 2 |
| 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 |
| 20140268425 | NON-CIRCULAR FEATURE FOR BOSS TOWER ENGAGEMENT - A head stack assembly comprising an actuator arm having an aperture therein, a head suspension assembly comprising a load beam having a mounting region with a aperture therein, and a base plate adapted to attach the head suspension assembly to the actuator arm, with the base plate comprising a boss tower having an outside surface and a swaging hole. One of the actuator arm aperture, the boss tower outside surface or the swaging hole is non-circular to provide increased compression between the boss tower and the actuator arm aperture in the roll direction than in the pitch direction. Methods of making a boss tower are also provided. | 09-18-2014 |
| 360244700 | Adhesive | 6 |
| 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 |
| 20130301164 | DISK DRIVE SUSPENSION AND MANUFACTURING METHOD THEREFOR - An actuator mounting section comprises a plate member includes a first plate and a second plate. The first plate is formed with an opening which accommodates an actuator element. The second plate comprises a main body portion which overlaps the first plate and supporting portions which support opposite ends of the actuator element. A narrow portion narrower than the first plate is formed at a part of the main body portion of the second plate. A weld seal portion is formed by laser-welding the first plate and the second plate at the narrow portion. Adhesive is provided between the opposite ends of the actuator element and an inner surface of the opening of the first plate. | 11-14-2013 |
| 20140063659 | HEAD SUSPENSION HAVING CUTTING SURFACE THAT IS NOT DEBURRED IN ACTUATOR ATTACHING AREA OF BASE PLATE, METHOD OF MANUFACTURING BASE PLATE OF THE HEAD SUSPENSION, AND METHOD OF MANUFACTURING THE HEAD SUSPENSION - A method of manufacturing a base plate, after deburring and heat-treating a half-finished base plate, cuts off a scrap section at the ends of the scrap section from a half-finished actuator attaching area so that cutting surfaces left in a finished actuator attaching area are positioned onto the inner perimeter of the finished actuator attaching area and are oriented to at least partly face an actuator attaching position inside the finished actuator attaching area. | 03-06-2014 |
| 20140104728 | HEAD SUSPENSION HAVING ACTUATOR IN WHICH PIEZOELECTRIC ELEMENT IS BONDED WITH BONDING TAPE, ACTUATOR AND METHOD OF ATTACHING PIEZOLECTRIC ELEMENT WITH BONDING TAPE - A head suspension includes a base to be attached to a carriage, a load beam having a rigid part and a resilient part that connects the rigid part to the base, the load beam applying load onto a read/write head, a flexure attached to the load beam and supporting the head, an actuator attaching part located between the base and the head, and a piezoelectric element being deformable in response to a voltage applied thereto to move the head in a sway direction relative to the base. For the head suspension, it bonds the piezoelectric element with a bonding tape to the actuator attaching part and applies an adhesive to fix the piezoelectric element to the actuator attaching part. | 04-17-2014 |
| 20140118863 | HEAD GIMBAL ASSEMBLY AND DISK DEVICE INCLUDING THE SAME - A head gimbal assembly includes a base plate, a load beam, a first end of which is supported by the base plate, a magnetic head supported at a second end of the load beam, a flexure including a plurality of wirings electrically connected to the magnetic head, the flexure extending from a surface of the base plate to an edge of the base plate, an adhesive applied in a space formed between the surface of the base plate and a surface of the flexure facing the surface of the base plate to bond the flexure to the base plate and to the edge of the base plate. | 05-01-2014 |
| 20140368955 | DISK DRIVE SUSPENSION AND MANUFACTURING METHOD THEREFOR - An actuator mounting section includes a plate member including a first plate and a second plate. The first plate is formed with an opening which accommodates an actuator element. The second plate includes a main body portion which overlaps the first plate and supporting portions which support opposite ends of the actuator element. A narrow portion narrower than the first plate is formed at a part of the main body portion of the second plate. A weld seal portion is formed by laser-welding the first plate and the second plate at the narrow portion. Adhesive is provided between the opposite ends of the actuator element and an inner surface of the opening of the first plate. | 12-18-2014 |
