Patents Examined by Will J Klimowicz
  • Patent number: 9934794
    Abstract: A magnetic apparatus has a media-facing surface (MFS), a pole, a write gap at the MFS, a trailing shield, coil(s) and a nonmagnetic refill material. The pole includes a pole tip proximate to the MFS. The trailing shield includes a pedestal and a recessed portion. The pedestal occupies a portion of the MFS. The recessed portion has a front surface at an acute angle from the MFS and is recessed from the MFS by a distance of not more than 0.8 micrometers. The write gap is between the pedestal and the pole tip. The coil(s) energize the pole and have at least one turn. The coil(s) are between the recessed portion of the trailing shield and the pole. The trailing shield is between the nonmagnetic refill material and the pole. A portion of the nonmagnetic refill material is between the recessed portion and the MFS.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: April 3, 2018
    Assignee: WESTERN DIGITAL (FREMONT), LLC
    Inventors: Ran Lin, Ming Sun, El-Amine Salhi, Donghong Li, Yunfei Li, Ming Jiang
  • Patent number: 9922672
    Abstract: A magnetic read apparatus has an air-bearing surface (ABS) and includes a read sensor and a rear magnetic bias structure. The read sensor includes first and second free layers, a spacer layer and a rear surface opposite to the ABS. The spacer layer is nonmagnetic and between the first and second free layers. The read sensor has a track width in a cross track direction parallel to the ABS. The rear magnetic bias structure magnetically biases the read sensor a stripe height direction perpendicular to the ABS. The read sensor is between the ABS and the rear magnetic bias structure. The rear magnetic bias structure has a width in the cross track direction and a length in the stripe height direction. The length is greater than the width. The width of the rear magnetic bias structure is substantially equal to the track width of the read sensor.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: March 20, 2018
    Assignee: Western Digital (Fremont), LLC
    Inventors: Daniele Mauri, Savas Gider, Hui Zhao, Ming Mao
  • Patent number: 9922675
    Abstract: An optical disk drive with multiple optical pick-up heads is provided. The optical disk drive includes an upper cover, a base, a first carrier member, a second carrier member, a first limiting member, and a second limiting member. The base is disposed under the upper cover. The first carrier member disposed on the base and has a first optical pick-up head. The second carrier member is disposed on the upper cover and has a second optical pick-up head. The first limiting member is used for disposing the first end of the second carrier member on the upper cover. The second limiting member is used for disposing the second end of the second carrier member on the upper cover. The length of the first limiting member is larger than that of the second limiting member.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: March 20, 2018
    Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON ELECTRONICS CORPORATION
    Inventors: Howard Yuen-Ho Shaw, Ming-Chun Tsao, Ming-Hung Chung, Shih-Ming Hsu
  • Patent number: 9916869
    Abstract: A method of servicing a data storage library having at least one access opening and at least one access door to permit access to an interior of the data storage library, the method including providing at least one barrier configured to at least partially surround the at least one library access opening when the at least one access door is opened, wherein the at least one barrier is configured to resist environmental conditions from exterior the barrier and data storage library from intruding into the interior of data storage library when the barrier is deployed. The method also includes deploying the at least one barrier when the at least one access door is opened to form an interior working space, accessing the interior space formed by the at least one barrier, and accessing the interior of the data storage library via the at least one library access opening.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: March 13, 2018
    Assignee: International Business Machines Corporation
    Inventors: Jose G. Miranda Gavillan, Brian G. Goodman, Kenny Nian Gan Qiu
  • Patent number: 9911456
    Abstract: A cup portion of a base member includes a cylindrical portion and a bottom plate portion. The cylindrical portion is arranged to be coaxial or substantially coaxial with a central axis extending in a vertical direction. The bottom plate portion is defined integrally with the cylindrical portion, and is arranged to close a lower portion of the cylindrical portion. A bearing mechanism is arranged inside of the cup portion. An outer circumferential surface of the bearing mechanism and an inner circumferential surface of the cylindrical portion have an adhesive layer arranged therebetween. In one preferred embodiment of the present invention, a communicating hole passing through the cylindrical portion in a direction that crosses an axial direction is defined in the vicinity of a junction of the cylindrical portion and the bottom plate portion. In another preferred embodiment of the present invention, the base member includes a communicating hole passing through the bottom plate portion in the axial direction.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: March 6, 2018
    Assignee: NIDEC CORPORATION
    Inventors: Tomohiro Yoneda, Takeshi Ohiro, Takayuki Ishino
  • Patent number: 9905274
    Abstract: An information handling system includes a hard disk drive, a handle in physical communication with the hard disk drive, and a first flexible heat sink component. The first flexible heat sink component includes a first surface contact portion, a first main portion, and a first plurality of fins. The first surface contact portion is in physical communication with the hard disk drive. The first main portion is in physical communication with the handle. The first fins extend away from the first main portion. The first fins flex downward toward the hard disk drive when the first fins are placed in physical communication with a cover of a storage sled, and the first fins fit within a space between the cover and the hard disk.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: February 27, 2018
    Assignee: DELL PRODUCTS, LP
    Inventors: Shih-Huai Cho, Yu-Hung Wang, Chi-Feng Lee
  • Patent number: 9899044
    Abstract: The present invention addresses the problem of providing an element which uses the current-perpendicular-to-plane giant magnetoresistance (CPPGMR) effect of a thin film having the three-layer structure of ferromagnetic metal/non-magnetic metal/ferromagnetic metal. The problem is solved by a magnetoresistive element provided with a lower ferromagnetic layer and an upper ferromagnetic layer which contain a Heusler alloy, and a spacer layer sandwiched between the lower ferromagnetic layer and the upper ferromagnetic layer, the magnetoresistive element being characterized in that the spacer layer contains an alloy having a bcc structure. Furthermore, it is preferable for the alloy to have a disordered bcc structure.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: February 20, 2018
    Assignee: NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Takao Furubayashi, Yukiko Takahashi, Kazuhiro Hono, Ye Du
  • Patent number: 9886984
    Abstract: A base member includes a recessed portion arranged to extend in radial directions and recessed upward from a lower surface of the base member, the radial directions being directions perpendicular to a vertical direction or directions parallel to these directions; and a hole portion arranged to pass through the recessed portion in the vertical direction. The recessed portion includes a recessed portion loop-shaped surface being a loop-shaped surface perpendicular to the vertical direction. A connector is arranged on a lower side of the recessed portion to cover the hole portion. An adhesive is arranged between the connector and the recessed portion.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: February 6, 2018
    Assignee: NIDEC CORPORATION
    Inventors: Masahiro Akagi, Takeshi Ohiro, Tomohiro Yoneda, Akihiro Yudate, Takayuki Ishino, Sho Nakamura
  • Patent number: 9886977
    Abstract: A recording medium having improved signal-to-noise ratio (SNR) capabilities includes dual cap layers over the recording layer, where the Curie temperature of the first cap layer over the recording layer is greater than the Curie temperature of the recording layer, and the Curie temperature of the second cap layer over the first cap layer is greater than the Curie temperature of the first cap layer. The first cap layer may be composed of a magnetically hard material, such as L10 CoPt, where the second cap layer may be composed of a magnetically soft material, such as Co. Such a medium is particularly useful in the context of heat-assisted magnetic recording (HAMR).
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: February 6, 2018
    Assignee: Western Digital Technologies, Inc.
    Inventors: Oleg Mryasov, Alan Kalitsov, Hoan Ho, Paul Dorsey, Gerardo Bertero
  • Patent number: 9881649
    Abstract: An assembled record player includes: a box having a cover and a base, and the cover being covered onto the base, and a accommodating space being included between the cover and the base; a record player contained in the accommodating space; at least one loudspeaker and contained in the accommodating space; and a circuit board contained in the accommodating space. The cover and the base are separated, and an accommodating hole is formed on the cover, and the record player is installed and fixed to the accommodating hole, and the loudspeaker and the circuit board are fixed to the base, and the circuit board is electrically connected to the record player and the loudspeaker, and the cover of the record player is covered onto the base to form the record player. Therefore, users can experience the fun of assembling the record player.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: January 30, 2018
    Inventors: Chi-Shuan Ying, Chen Hsu, Wei-Kai Huang, Li-Chieh Kao
  • Patent number: 9870794
    Abstract: A magnetic tape device includes a magnetic tape as a storage medium; a travel unit that moves the magnetic tape along a travel route; a magnetic head that is arranged at the travel route and performs data reading and writing for the magnetic tape that moves on the travel route; and a lifter unit that is arranged at the travel route and contacts the magnetic tape which is stopped on the travel route, where the lifter unit is able to reciprocate in a direction that intersects the travel route so as to separate the magnetic tape from the magnetic head.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: January 16, 2018
    Assignee: NEC Platforms, Ltd.
    Inventor: Kenichi Ojima
  • Patent number: 9870791
    Abstract: A multi-sensor reader that includes a first sensor that has a first sensor stack, which includes a sensing layer that has a magnetization that changes according to an external magnetic field. The first sensor also includes a first seed layer below the first sensor stack. The multi-sensor reader also includes a second sensor stacked over the first sensor. The second sensor includes a second sensor stack, which includes a sensing layer that has a magnetization that changes according to the external magnetic field. The second sensor also includes a second seed layer below the second sensor stack. A stabilization element is included to maintain a magnetization direction of the second seed layer and to stabilize the second seed layer.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: January 16, 2018
    Assignee: Seagate Technology LLC
    Inventors: Victor Sapozhnikov, Steven P. Bozeman, Mohammed Shariat Ullah Patwari, LiWen Tan, Jae Young Yi, Eric W. Singleton
  • Patent number: 9852747
    Abstract: An apparatus according to one embodiment includes a first module having a plurality of first write transducers, and a plurality of second modules each having a second write transducer. Planes of deposition of write gaps of the second write transducers are oriented at an angle of greater than 4 degrees relative to planes of deposition of write gaps of the first write transducers. An apparatus according to another embodiment includes a plurality of first modules each having a first write transducer, and a plurality of second modules each having a second write transducer. Planes of deposition of write gaps of the second write transducers are oriented at an angle of greater than 4 degrees relative to planes of deposition of write gaps of the first write transducers.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: December 26, 2017
    Assignee: International Business Machines Corporation
    Inventors: Robert G. Biskeborn, Edwin R. Childers, Mark A. Lantz
  • Patent number: 9842618
    Abstract: An apparatus includes a slider of a heat-assisted magnetic recording head. The slider comprises an air bearing surface, a substrate, and a plurality of electrical bond pads coupled to bias sources. A writer is positioned proximate the substrate. The writer comprises write coils coupled between first and second bond pads. At least one heater is coupled between the first and second bond pads. The at least one heater is disposed within the writer and is configured to thermally actuate the air bearing surface of the writer. A reader is disposed on the slider such that the writer is between the substrate and the reader. Write induced protrusion of the air bearing surface of the writer is moderated by stiffness of the substrate proximate the writer.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: December 12, 2017
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Erik J. Hutchinson, John Wolf, Todd Michael Lammers
  • Patent number: 9830953
    Abstract: An electronic module ejecting mechanism includes a frame, a door pivoted to the frame, a rod, a sliding sheet slidably disposed on the door, a swing sheet, and a button connected to the sliding sheet. An electronic module is inserted into an opening of the frame. The rod is slidably disposed in the frame and has groove and bending ends. The swing sheet is pivoted to the sliding sheet and has a latch end for inserting into the groove end when the sliding sheet slides to a lock position. When the latch end is inserted into the groove end and the swing sheet swings to an expanding position with opening of the door, the latch end pulls the groove end to make the bending end push the electronic module to partially protrude from the opening. When the door continues opening outwardly, the latch end is separate from the groove end.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: November 28, 2017
    Assignee: Wistron Corporation
    Inventors: Jhih-Ming Chen, Meng-Chian Shiu, Chi-Jen Lo
  • Patent number: 9830938
    Abstract: A suspension assembly includes a support plate, a wiring member, and a driving element. The wiring member includes a metal plate, an insulating layer, and a conductive layer. The metal plate includes a base end plate, a support portion on a projection portion formed on the support plate, and a pair of link portions which connect the base endplate to the support portion. The insulating layer includes a first end portion on the support portion, and a pair of bridge portions which are respectively provided in parallel with the link portions and extend from a second end portion that is on the base end plate to the first end portion. The driving element deforms in response to a voltage applied thereto to move the support portion. Each link portion includes a bent portion at a location of a straight line passing through a central region of the driving element.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: November 28, 2017
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kenichiro Aoki, Masaya Kudo
  • Patent number: 9824710
    Abstract: A heat-assisted magnetic recording (HAMR) medium has a multilayered or laminated heat-sink structure. The laminated heat-sink structure includes a first heat-sink layer and a RuAl—X thermal barrier layer between the medium substrate and the first heat-sink layer. The laminated heat-sink structure may include a second heat-sink layer may between the substrate and the RuAl—X thermal barrier layer. In the RuAl—X thermal barrier layer, X is selected from C and one or more oxides of Si, Ti, W, Zr and Hf. The HAMR medium with the laminated heat-sink structure reduces the amount of required laser current as compared to a similar HAMR medium with a conventional single heat-sink layer of the same thickness, while also slightly improving magnetic properties and recording performance.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: November 21, 2017
    Assignee: Western Digital Technologies, Inc.
    Inventors: Hua Yuan, Shahid Ali Pirzada, Hoan Cong Ho, Paul Christopher Dorsey, B. Ramamurthy Acharya
  • Patent number: 9818435
    Abstract: One general embodiment includes an array of magnetic transducers each having: a current-perpendicular-to-plane sensor, magnetic shields on opposite sides of the sensor, and a stabilizing layered structure between at least one of the magnetic shields and the sensor. The stabilizing layered structure includes an antiferromagnetic layer, a first ferromagnetic layer adjacent the antiferromagnetic layer, a second ferromagnetic layer, and an antiparallel coupling layer between the ferromagnetic layers. The antiferromagnetic layer pins a magnetization direction in the first ferromagnetic layer along an antiferromagnetic polarized direction of the antiferromagnetic layer. A magnetization direction in the second ferromagnetic layer is opposite the magnetization direction in the first ferromagnetic layer. Each transducer also includes spacers on opposite sides of the sensor, at least one of the spacers being positioned between the sensor and the stabilizing layered structure.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: November 14, 2017
    Assignee: International Business Machines Corporation
    Inventors: Robert G. Biskeborn, Robert E. Fontana, Jr., Calvin S. Lo
  • Patent number: 9812162
    Abstract: An opening and closing device comprises a disc tray, a mounting shaft and a jukebox manipulator. The disc tray is mounted on the mounting shaft. A positioning structure is provided between the disc tray and the mounting shaft. The mounting shaft is mounted on an outer circumference of a jukebox rotating cage. The jukebox manipulator is mounted on a manipulator driving unit. A side of the manipulator driving unit is provided with an optical drive, the jukebox manipulator is provided with a driving plate structure and the disc tray is provided with a driving lever. When the jukebox rotating cage rotates, the disc tray can revolve around the rotating shaft of jukebox rotating cage and can rotate around the mounting shaft. With the assistance of in-place bumping post which is provided by a side of the jukebox rotating cage, the positioning structure can locate the rotation of disc tray at a fixed static angle.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: November 7, 2017
    Assignee: AMETHYSTUM STORAGE TECHNOLOGY CO., LTD.
    Inventor: Tiewei Luo
  • Patent number: 9812167
    Abstract: A magnetic tape cartridge includes a substantially rectangular box shaped case that houses, inside a housing area, a single reel wound with a magnetic tape and equipped with a reel plate that is attracted and held by magnetic force when loaded into a drive device, and a metal-containing block that is disposed inside the case and outside the housing area of the reel, and has a proportion of metal by mass to a total mass of metal provided inside the case including the reel equipped with the magnetic tape and the reel plate of 18% or greater.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: November 7, 2017
    Assignee: FUJIFILM CORPORATION
    Inventors: Yosuke Sumiya, Katsuki Asano