Patents Assigned to Suncall Corporation
  • Publication number: 20110292550
    Abstract: First and second piezoelectric element overlapped portions of an insulating layer of a flexure part is formed with first and second connecting openings, respectively. There are provided on an upper surface of the insulating layer, first and second lower conductive adhesive agents that electrically connect lower electrode layers of first and second piezoelectric elements to a voltage supply wiring through the first and second connecting openings, and a surrounding insulative adhesive agent that is arranged so as to surround the first and second lower conductive adhesive agents in a plan view.
    Type: Application
    Filed: May 12, 2011
    Publication date: December 1, 2011
    Applicant: Suncall Corporation
    Inventor: Yasuo FUJIMOTO
  • Patent number: 8064167
    Abstract: An elastic plate that is supported at both ends by a pair of supporting pieces of a supporting part functions as the load bending part. A portion of a load beam base plate that is positioned on a distal end side from a load bending center line of the elastic plate includes a parallel region that is fixed to the elastic plate, an intermediate region that extends to a distal end side through a proximal-side bending line along a suspension widthwise direction, and a distal region that extends to a distal end side through a distal-side bending line and is formed with a dimple with which a head-mounting region of a flexure part is brought into contact. The distal-side bending line is positioned in the vicinity of an intermediate point between the load bending center line and the dimple in a suspension lengthwise direction.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: November 22, 2011
    Assignee: Suncall Corporation
    Inventors: Yasuo Fujimoto, Satoru Takasugi
  • Publication number: 20110267719
    Abstract: The magnetic head slider locking apparatus according to the present invention includes a fixed portion, a movable portion and paired right and left spring portions. Upon transition from an initial posture to an elastically deformed posture, the movable portion is wholly moved toward the proximal side in the suspension longitudinal direction and, at the same time, the inner end of each of paired proximal-side engagement regions in the suspension width direction is moved toward the inner side in the suspension width direction, so that the distal end and the proximal end of each of the proximal-side extending regions are moved toward the inner side and the outer side in the suspension width direction, respectively, while the proximal-side extending regions are wholly moved toward the proximal side in the suspension longitudinal direction.
    Type: Application
    Filed: April 29, 2011
    Publication date: November 3, 2011
    Applicant: Suncall Corporation
    Inventor: Masahito WAKAHARA
  • Publication number: 20110249366
    Abstract: A flexure metal plate includes distal and proximal end side-center-support plate forming regions that are positioned on distal and proximal sides within an open section. To a distal end section of a supporting part that is positioned on a distal side of the open section, first and second-distal side-metal plates are fixed so as to be positioned on an outer side of the distal end side-center-support plate forming region in a width direction, and to a proximal end section of the supporting part that is positioned on a proximal side of the open section, first and second-proximal side-metal plates are fixed so as to be positioned on an outer side of the proximal end side-center-support plate forming region in the width direction.
    Type: Application
    Filed: April 7, 2011
    Publication date: October 13, 2011
    Applicant: Suncall Corporation
    Inventors: Yasuo Fujimoto, Satoru Takasugi, Kenji Mashimo
  • Patent number: 8027126
    Abstract: 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.
    Type: Grant
    Filed: January 23, 2009
    Date of Patent: September 27, 2011
    Assignee: Suncall Corporation
    Inventors: Yasuo Fujimoto, Satoru Takasugi
  • Publication number: 20110205670
    Abstract: In the magnetic head slider locking apparatus according to the present invention, a spring portion takes a sandwiching posture in which a center region of a proximal-side engage portion sandwiches a magnetic head slider in a suspension longitudinal direction in cooperation with a distal-side engage portion when an operational force to the spring portion is released after the magnetic head slider has been mounted in a state where the spring portion has been elastically deformed from an initial posture to an elastically deformed posture.
    Type: Application
    Filed: January 31, 2011
    Publication date: August 25, 2011
    Applicant: Suncall Corporation
    Inventor: Masahito Wakahara
  • Patent number: 7997806
    Abstract: An optical fiber connector includes a housing, a ferrule, a bias member and a flexible tube. The ferrule is formed with a first axial hole of a first inner diameter larger than an outer diameter of a jacket of an optical fiber and a second axial hole that is communicated to a distal end of the first axial hole and that has a second inner diameter smaller than the first inner diameter and larger than an outer diameter of a fiber wire of the optical fiber. The flexible tube is inserted around the proximal end side of the ferrule so that at least a part thereof is extended toward the proximal end side than the ferrule to form a proximal-end-side extended part. The proximal-end-side extended part has an inner diameter larger than the outer diameter of the jacket and smaller than the first inner diameter.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: August 16, 2011
    Assignee: Suncall Corporation
    Inventor: Masaya Nakagawa
  • Publication number: 20110058282
    Abstract: In a magnetic head suspension according to the present invention, each of paired piezoelectric elements is disposed within an open section of a supporting part so that at least a part of its distal-side end surface faces a distal-side wall surface of the distal end section of the supporting part with having a distal-side gap between the distal-side end surface and the distal-side wall surface and at least a part of its proximal-side end surface faces a proximal-side wall surface of the proximal end section of the supporting part with having a proximal-side gap between the proximal-side end surface and the proximal-side wall surface in a state where both of upper and lower electrode layers of the piezoelectric element do not face the supporting part and any rigid members that are fixed to the supporting part.
    Type: Application
    Filed: August 27, 2010
    Publication date: March 10, 2011
    Applicant: Suncall Corporation
    Inventors: Yasuo Fujimoto, Satoru Takasugi, Kenji Mashimo
  • Patent number: 7876221
    Abstract: The seal having an IC tag is to be attached to cover a bordering part between the cover and main body of a container. The seal has a base member serving as a support, an antenna provided on one surface of the base member and having a slit, an IC chip connected to the antenna and provided on the antenna, and an adhesive layer provided on that surface of the base-member on which the antenna and the IC chip are provided. The method of attaching a seal having an IC tag is to attach the antenna by using the adhesive layer, so that the seal may overlap both the cover and the main body of the container.
    Type: Grant
    Filed: February 8, 2007
    Date of Patent: January 25, 2011
    Assignees: Suncall Corporation, Toppan Printing Co., Ltd., Hitachi, Ltd.
    Inventors: Masahide Tanaka, Masataka Fujii, Takashi Fujihara, Toshibumi Imai
  • Publication number: 20110007424
    Abstract: 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. The magnetic head slider locking apparatus includes a fixed portion having a distal-side engage portion with which a distal end of the slider is engaged and being fixed to a flexure part, an endless spring portion surrounding the fixed portion in a plan view, a connection portion connecting the fixed portion to the spring portion, and a proximal-side engage portion provided to the spring portion so as to be engaged with a proximal end of the slider.
    Type: Application
    Filed: July 9, 2010
    Publication date: January 13, 2011
    Applicant: Suncall Corporation
    Inventor: Masahito WAKAHARA
  • Publication number: 20100271732
    Abstract: In a magnetic head suspension according to the present invention, each of paired right and left connecting beams that are positioned on both sides in a suspension width direction of an open section, with which piezoelectric elements are at least partially overlapped in a plan view, and connect a proximal end section directly or indirectly connected to a main actuator and a distal end section to which a load bending part is connected includes a convex portion projecting in a thickness direction that is perpendicular to the disk surface. The configuration makes it possible to improve the impact resistance and raise the resonance frequency of a magnetic head suspension capable of performing micro motion of a magnetic head slider by the piezoelectric elements.
    Type: Application
    Filed: April 23, 2010
    Publication date: October 28, 2010
    Applicant: SUNCALL CORPORATION
    Inventor: Yasuo FUJIMOTO
  • Publication number: 20100246067
    Abstract: In a magnetic head suspension according to the present invention, each of paired right and left connecting beams that are positioned on both sides of an open section, with which paired piezoelectric elements are at least partially overlapped in a plan view, in a suspension width direction and connect a proximal end section that is directly or indirectly connected to a main actuator and a distal end section to which the load bending part is connected includes proximal-side and distal-side beams. The distal-side beam is inclined with respect to the proximal-side beam in a plan view such that a connection point between the proximal-side and distal-side beams is located closer to a suspension longitudinal center line relative to a virtual line connecting the proximal end of the proximal-side beam and the distal end of the distal-side beam.
    Type: Application
    Filed: March 26, 2010
    Publication date: September 30, 2010
    Applicant: SUNCALL CORPORATION
    Inventors: Yasuo FUJIMOTO, Satoru Takasugi
  • Patent number: 7786833
    Abstract: An edgewise coil which includes a non-circular cross-sectional shaped conductor having a cross-sectional shape defined by a pair of first and second long sides and a pair of first and second short sides, the shaped conductor wire being laminated while being bended with using the first short side as a bending fulcrum so as to form a plurality of laminated wire layers having a rectangular shape in a plan view, wherein the pair of long sides include, in a longitudinal cross section in a pre-bending-process state before the shaped conductor wire is bended, a pair of straight-line regions extending from both ends of the second sides so as to be parallel to each other and a pair of tapered regions extending between the straight-line regions and the first short side, and the pair of tapered regions, in a longitudinal cross section in the pre-bending-process state, come closer to each other as they approach the first short side.
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: August 31, 2010
    Assignee: Suncall Corporation
    Inventor: Takao Murakami
  • Publication number: 20100202087
    Abstract: 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.
    Type: Application
    Filed: January 21, 2010
    Publication date: August 12, 2010
    Applicant: SUNCALL CORPORATION
    Inventors: Yasuo FUJIMOTO, Kenji Mashimo
  • Patent number: 7763123
    Abstract: Disclosed is a hard-drawn spring which exhibits fatigue strength and sag resistance equal or superior to springs produced using an oil-tempered wire. The hard-drawn spring is produced using a steel wire containing 0.5 to 0.7 mass % of C, 1.0 to 1.95 mass % of Si, 0.5 to 1.5 mass % of Mn and 0.5 to 1.5 mass % of Cr, with the balance being Fe and inevitable impurities. In the steel wire, the number of carbides having circle-equivalent diameters of 0.1 ?m or more is 5 particles/100 ?m2 or less.
    Type: Grant
    Filed: July 22, 2009
    Date of Patent: July 27, 2010
    Assignees: Kabushiki Kaisha Kobe Seiko Sho, Suncall Corporation
    Inventors: Sumie Suda, Nobuhiko Ibaraki, Nao Yoshihara, Shigetsugu Yoshida, Koji Harada
  • Patent number: 7719472
    Abstract: There is provided an antenna unit including a non-conductive base film, an endless conductive flat plate member attached onto one surface of the base film and having an opening in a center thereof, and an antenna attached to the one surface of the base film so as to be positioned in the opening of the conductive flat plate member with a gap formed between the antenna and an inner circumferential edge of the conductive flat plate member.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: May 18, 2010
    Assignee: Suncall Corporation
    Inventors: Tomohiko Kanemura, Takeshi Fujiwara
  • Patent number: 7680363
    Abstract: The present invention aims to provide an optical pressure sensor capable of detecting a more minute pressure change. A base film is formed with a through hole passing first and second surfaces, an optical fiber is fixed to the base film at a region other than the FBG portion such that the FBG portion is positioned on the through hole in plan view. The optical pressure sensor according to the present invention is attached to an object body such that the second surface of the base film is closely attached to a surface of the object body directly or indirectly.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: March 16, 2010
    Assignee: Suncall Corporation
    Inventors: Masahito Wakahara, Takahiro Imasaki
  • Patent number: 7661887
    Abstract: According to the shutter assembly of the present invention, since the guide groove for facilitating the insertion of the pivot shaft into the bearing hole of the second bearing part of the shutter member is formed at the opposing end surface of the second bearing part that faces to the first bearing part of the shutter member so that the guide groove is opened to the opposing end surface and is along the direction orthogonal to the axial-line direction of the pivot shaft, it is possible to easily and accurately form the guide groove.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: February 16, 2010
    Assignee: Suncall Corporation
    Inventor: Masaya Nakagawa
  • Patent number: 7648286
    Abstract: According to the shutter assembly of the present invention, since the shutter member is connected in a swingable manner with the shutter housing that could be mounted on the optical adapter so as to surround the optical adapter, it is possible to easily provide the shutter member in either of the SC or LC optical adapter only by mounting the shutter housing on the SC or LC type optical adapter.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: January 19, 2010
    Assignee: Suncall Corporation
    Inventor: Masaya Nakagawa
  • Publication number: 20090283181
    Abstract: Disclosed is a hard-drawn spring which exhibits fatigue strength and sag resistance equal or superior to springs produced using an oil-tempered wire. The hard-drawn spring is produced using a steel wire containing 0.5 to 0.7 mass % of C, 1.0 to 1.95 mass % of Si, 0.5 to 1.5 mass % of Mn and 0.5 to 1.5 mass % of Cr, with the balance being Fe and inevitable impurities. In the steel wire, the number of carbides having circle-equivalent diameters of 0.1 ?m or more is 5 particles/100 ?m2 or less.
    Type: Application
    Filed: July 22, 2009
    Publication date: November 19, 2009
    Applicants: KABUSHIKI KAISHA KOBE SEIKO SHO, SUNCALL Corporation
    Inventors: Sumie SUDA, Nobuhiko Ibaraki, Nao Yoshihara, Shigetsugu Yoshida, Koji Harada