Patents Represented by Attorney Zilka-Kotab, PC
  • Patent number: 8350780
    Abstract: A system, method and computer program product are provided for controlling stereoscopic glasses. In use, at least one aspect of a display is identified. Further, a delay is selected based on the at least one aspect. Thus, the stereoscopic glasses may be controlled as a function of the delay.
    Type: Grant
    Filed: September 14, 2006
    Date of Patent: January 8, 2013
    Assignee: NVIDIA Corporation
    Inventor: David Robert Cook
  • Patent number: 8351154
    Abstract: A perpendicular recording magnetic head is provided, according to one embodiment, in which even if a thickness of a main pole is reduced corresponding to a reduction in a recording track width, recording performance is not degraded. A magnetic-field auxiliary pole and a nonmagnetic layer are stacked on a main pole, and a nonmagnetic portion is provided on each side face on a flying surface side of the magnetic-field auxiliary pole and the nonmagnetic layer, in one approach. In all regions except for a region near a flying surface, an interval between the main pole and a shield is increased by the nonmagnetic portion and the nonmagnetic layer, so that magnetic field loss is prevented, and consequently magnetic field strength and a magnetic field gradient are increased. Other systems and methods are also disclosed for retaining magnetic recording performance while reducing a thickness of a main pole.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: January 8, 2013
    Assignee: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Kimitoshi Etoh, Mikito Sugiyama, Isao Nunokawa, Tomohiro Okada
  • Patent number: 8351163
    Abstract: According to one embodiment, a method for producing a Tunneling Magnetoresistance (TMR) read head includes forming a fixed layer, forming an insulating barrier layer above the fixed layer, forming a free layer above the insulating barrier layer, and annealing the free layer, the fixed layer, and the insulating barrier layer. The fixed layer includes a first ferromagnetic layer having a CoxFe (0?x?15) interface layer and a Co-based amorphous metallic layer between the CoxFe interface layer and the insulating barrier layer, an antiparallel coupling layer below the first ferromagnetic layer, and a second ferromagnetic layer below the antiparallel coupling layer. In another embodiment, a TMR read head includes the layers described above, and may be included in a magnetic data storage system.
    Type: Grant
    Filed: November 17, 2010
    Date of Patent: January 8, 2013
    Assignee: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Koji Sakamoto, Koichi Nishioka
  • Patent number: 8351144
    Abstract: Embodiments of the present invention help to suppress the effects of thermal fluctuation in a thermally assisted magnetic field recording, and improve recording density. According to one embodiment, a recording area of a magnetic disk is heated and the full width at half maximum of an optical power distribution of a near field light generator is controlled to be 100 nm or less. Thereby, the cooling time of the magnetic disk is made 2 nm or less and the effects of thermal fluctuation are suppressed. Moreover, although an incomplete area of the magnetization reversal at the rear end of the magnetic domain is created with rapid cooling, by creating an overshoot at the rising end of the magnetic field waveform of the magnetic recording head, the incomplete area of the magnetization reversal can be overwritten, which is created at the rear end of the magnetic domain previously recorded by the overshoot magnetic field.
    Type: Grant
    Filed: February 21, 2008
    Date of Patent: January 8, 2013
    Assignee: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Kimio Nakamura, Fumiko Akagi
  • Patent number: 8347489
    Abstract: A method for manufacturing a magnetic write head having a tapered write pole as well as a leading edge taper, and independent trailing and side magnetic shields. The method allows the write pole to be constructed by a dry process wherein the write pole material is either deposited by a process such as sputter deposition or electrically plated and the write pole shape is defined by masking and ion milling. The write pole has a stepped feature that can either be used to provide increased magnetic spacing between the trailing shield and the write pole at a location slightly recessed from the ABS or can be magnetic material that increases the effective thickness of the write pole at a location slightly recessed from the ABS. A bump structure can be further built over that stepped feature to enhance field gradient as well as reduce trailing shield saturation.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: January 8, 2013
    Assignee: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Liubo Hong, Aron Pentek, Yi Zheng, Honglin Zhu
  • Patent number: 8351152
    Abstract: A system according to one embodiment includes a first portion comprising at least a portion of a coil structure and at least a portion of a magnetic yoke, the first portion being oriented at an angle of greater than 0° and less than 90° relative to a substantially planar portion of an underlying substrate; a first pole; a second pole; and a write gap, a portion of the write gap having a plane of deposition oriented about perpendicular to a final media-facing surface of the write gap.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: January 8, 2013
    Assignee: International Business Machines Corporation
    Inventors: Philipp Herget, Pierre-Oliver Jubert
  • Patent number: 8349197
    Abstract: A method for manufacturing a magnetic write head having a write pole and a trailing wrap around magnetic shield, and having a non-magnetic step layer and a non-magnetic bump to provide additional spacing between the write pole and the trailing wrap around shield at a location removed from the air bearing surface. A magnetic write pole material is deposited on a substrate and a non-magnetic step layer is deposited over the write pole. A reactive ion milling can he used to pattern the non-magnetic step layer to have a front edge that is located a desired distance from an air hearing surface. A patterning and ion milling process is then performed to define a write pole, and then a layer of alumina is deposited and ion milled to from a tapered, non-magnetic bump at the front the non-magnetic step layer.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: January 8, 2013
    Assignee: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Liubo Hong, Wen-Chien D. Hsiao, Yimin Hsu, Yi Zheng
  • Patent number: 8351153
    Abstract: According to one embodiment, a magnetic recording head includes a main pole having a throat height portion and a flare portion that is connected to the throat height portion, the flare portion gradually being expanded in width to an upper part in an element height direction. The head also includes a sub pole, magnetic shields disposed via a nonmagnetic layer on a trailing side of the main pole and on both sides in a track width direction of the main pole, and a coil for generating a recording magnetic field from the main pole. The nonmagnetic layer has an upper portion of which the thickness is increased stepwise or in a tapered manner in the element height direction with respect to an ABS side, and each portion of the magnetic shields adjacent to the main pole has a shape corresponding to a surface shape of the nonmagnetic layer.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: January 8, 2013
    Assignee: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Isao Nunokawa, Mikito Sugiyama, Kikuo Kusukawa, Hiroyuki Hoshiya
  • Patent number: 8351156
    Abstract: A perpendicular magnetic recording head according to one embodiment includes a main pole; first magnetic films arranged on both sides of the main pole in a track width direction via nonmagnetic films; and a second magnetic film arranged on a trailing side of the main pole via a nonmagnetic film; wherein the depths of the first magnetic films from an air bearing surface are smaller than the depth of the second magnetic film from the air bearing surface at least at a periphery of the main pole.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: January 8, 2013
    Assignee: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Kazue Kudo, Hiromi Shiina, Yohji Maruyama, Tetsuya Okai, Gen Oikawa, Shouji Tokutake
  • Patent number: 8347488
    Abstract: A method for manufacturing a magnetic write head having a non-magnetic step layer, non-magnetic bump at the front of the non-magnetic step layer and a write pole with a tapered trailing edge. The tapered portion of the trailing edge of the write pole is formed by a two step process that allows the write pole taper to be formed with greater accuracy and repeatability than would be possible using a single step taper process. An alternative method is also described on how to make a non-magnetic bump structure with adjustable bump throat height prior to Damascene side shield gap formation in a Damascene wrap around shield head.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: January 8, 2013
    Assignee: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Liubo Hong, Aron Pentek, Yi Zheng
  • Patent number: 8351151
    Abstract: A thermally assisted magnetic write head having a near-field transducer, a magnetic lip and a diffusion barrier layer between the near-field transducer and the magnetic lip. The near-field transducer includes a transparent aperture constructed of a material such as SiO2 and an opaque metallic antenna constructed of a metal such as Au formed at a first edge of the aperture. A magnetic lip, connected with the write pole is formed near a second edge of the aperture with a diffusion barrier layer being disposed between the magnetic lip and the aperture. The diffusion barrier layer prevents migration of atomic between the aperture and the magnetic lip, thereby ensuring robust performance at localized high temperatures generated by the near-field transducer.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: January 8, 2013
    Assignee: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Jordan A. Katine, Vijay P. S. Rawat, Neil L. Robertson, Barry C. Stipe
  • Patent number: 8343386
    Abstract: An electrostatically dissipative adhesive in one embodiment includes a mixture comprising: an adhesive material; and electrically conductive particles intermixed with the adhesive material, the electrically conductive particles being present in an amount between 0 and about 10% by weight of a total weight of the mixture. An electrostatically dissipative adhesive in another embodiment includes a mixture comprising: an adhesive material; and electrically conductive particles intermixed with the adhesive material, the electrically conductive particles being present in an amount between 0 and about 10% by weight of a total weight of the mixture, wherein the mixture has at least 50% of a lap shear strength as measured in accordance with ISO 4587 after curing for 72 hours at 22° C. as the raw adhesive material has as measured in accordance with ISO 4587 after curing for 72 hours at 22° C.
    Type: Grant
    Filed: May 21, 2008
    Date of Patent: January 1, 2013
    Assignee: International Business Machines Corporation
    Inventors: William Thomas Bandy, IV, Icko E. Tim Iben, Wayne Alan McKinley
  • Patent number: 8345981
    Abstract: A method according to one embodiment includes extracting an identifier from an electronic first document, and identifying a complementary document associated with the first document using the identifier. A validity of the first document is determined by simultaneously considering: textual information from the first document; textual information from the complementary document; and predefined business rules. An indication of the determined validity is output. Systems and computer program products for providing, performing, and/or enabling the methodology presented above are also presented.
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: January 1, 2013
    Assignee: Kofax, Inc.
    Inventors: Mauritius A. R. Schmidtler, Roland G. Borrey, Jan W. Amtrup, Stephen Michael Thompson
  • Patent number: 8347052
    Abstract: A method for initializing a memory area, the method includes: receiving a request to access a first memory sub area of a first memory area that comprises multiple memory sub areas; and initializing the first memory sub area if a first memory area initialization indicator differs from a first memory sub area initialization request indicator; wherein the first memory area initialization request indicator is a multiple bit variable indicative of a time of a last request to initialize the first memory area and the first memory sub area initialization indicator is a multiple bit variable indicative of a time of a request to initialize the first memory area that resulted in a last initialization of the first memory sub area.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: January 1, 2013
    Assignee: International Business Machines Corporation
    Inventors: Shachar Fienblit, Eyal Gordon, Aviad Zlotnick
  • Patent number: 8345489
    Abstract: A storage system according to one embodiment includes logic adapted for determining to move an extent from a source-tier in a storage system to a destination-tier in the storage system, wherein a set of tracks of the extent is presently being accessed; logic adapted for determining whether any track from the set of tracks is presently being written to; logic adapted for designating to a write-stack associated with the source-tier each track that is presently being written to and designating to a read-stack associated with the source-tier remaining tracks from the set of tracks; logic adapted for removing oldest tracks from the read-stack and the write-stack until the read-stack and the write-stack have been depleted of tracks; logic adapted for populating a destination-tier cache with the tracks as they are removed from the read-stack and the write-stack using a predetermined read-to-write ratio when a parameter of the extent exceeds a migration threshold; logic adapted for removing any tracks from a source-t
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: January 1, 2013
    Assignee: International Business Machines Corporation
    Inventors: David Montgomery, Todd C. Sorenson
  • Patent number: 8341376
    Abstract: A system, method, and computer program product are provided for repartitioning data based on access of the data. In use, an addition of a new partition in memory to at least one existing partition in the memory across which data is stored is detected. Additionally, access to a portion of the data is identified. Further, one of the at least one existing partition in the memory in which the portion of the data is stored is determined. Moreover, the portion of the data is repartitioned from the one of the at least one existing partition to the new partition while allowing access to other portions of the data, in response to the identification of the access to the portion of the data.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: December 25, 2012
    Assignee: Amdocs Software Systems Limited
    Inventors: Cormac Blackwell, Niall O'Cuilinn
  • Patent number: 8339753
    Abstract: A magnetic read head having a novel magnetic bias structure that provides improved magnetic biasing for improved free layer robustness and reduced Barkhausen noise. The bias structure includes hard magnetic layer formed over first and second under-layers. At least a portion of the first under-layer is formed as discrete islands of material, and the second under-layer is formed over the first under-layer. The first under-layer has a thickness of 0.25 to 0.75 nm. The novel seed layer structure causes hard magnetic layer to have a magnetic anisotropy that is substantially parallel with the free layer of the sensor stack even in regions adjacent to the sensor stack.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: December 25, 2012
    Assignee: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Norihiro Okawa, Koji Sakamoto, Koji Okazaki
  • Patent number: 8339752
    Abstract: In one embodiment, a magnetic head includes a magnetoresistive free layer, wherein a width of the free layer nearest an air bearing surface (ABS) is less than a width of the free layer at a point away from the ABS in a track width direction, with the magnetic head being configured to pass a sense current in a direction perpendicular to a plane of deposition of the free layer. In another embodiment, a method includes forming a magnetoresistive film above a shield, forming a masking layer above the magnetoresistive film, patterning the masking layer such that it exposes portions of the magnetoresistive film, wherein the masking layer defines an area which is narrow near an area that forms an ABS side of a free layer and wider at an area away from the ABS, and removing the exposed portions of the magnetoresistive film to form the free layer.
    Type: Grant
    Filed: September 26, 2011
    Date of Patent: December 25, 2012
    Assignee: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Masashi Hattori, Koichi Nishioka, Koji Sakamoto, Tsutomu Yasuda, Hideki Mashima
  • Patent number: 8336199
    Abstract: A tool according to one embodiment includes an actuating mechanism including a cam plate; at least one gripper member operatively coupled to the cam plate; and a carriage for supporting the at least one gripper member, wherein the at least one gripper member is actuatable by the cam plate, wherein rotation of the cam plate causes the at least one gripper member to move between a first position and a second position, wherein when the at least one gripper member is in the first position, the tool is able to accept a processor for holding thereof, and wherein when the at least one gripper member is in the second position, the tool securely holds the processor therein. Additional systems and methods are also presented.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: December 25, 2012
    Assignee: International Business Machines Corporation
    Inventors: Richard M. Barina, James R. Drake, Daniel P. Kelaher, George M. Moorefield, II, Derek I. Schmidt, James S. Womble
  • Patent number: 8341044
    Abstract: A system, method, and computer program product are provided for re-rating events, in use, a plurality of events associated with at least one customer is rated. Additionally, at least one of the events associated with the customer(s) is re-rated, in parallel with the rating.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: December 25, 2012
    Assignee: Amdocs Software Systems Limited
    Inventors: Debabrata Patro, Yael Angel, Yishay Levanoni, Omer Shani