Patents by Inventor Hidehiko Kira

Hidehiko Kira has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7646020
    Abstract: When bonding a workpiece to a substrate, processed parts of the substrate and the workpiece are observed and behavior such as the production of voids and the flowing of resin is observed. An apparatus for observing an assembled state of components includes: a stage on which a substrate is set; a head mechanism that bonds, by applying heat and pressure, an observation workpiece made of a transparent material to the substrate via resin supplied between the substrate and the observation workpiece; a light source that irradiates an observed part of the substrate and the observation workpiece mounted on the stage with light; and a camera that takes, from the observation workpiece side, an image of the observed part when the observation workpiece is bonded to the substrate set on the stage.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: January 12, 2010
    Assignee: Fujitsu Limited
    Inventors: Shuichi Takeuchi, Hidehiko Kira
  • Publication number: 20100001388
    Abstract: An electronic device includes: a base; a conductor pattern formed on the base; a circuit chip electrically connected to the conductor pattern; and a reinforcing member which is disposed on the base to surround the circuit chip, whose outer shape is like a ring, and which includes concentric rings as an internal structure. The electronic device further includes a sealing member which fills an inside of the reinforcing member while covering the top of the circuit chip, thereby sealing the circuit chip on the base.
    Type: Application
    Filed: September 14, 2009
    Publication date: January 7, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Hiroshi Kobayashi, Kenji Kobae, Shuichi Takeuchi, Hidehiko Kira
  • Publication number: 20100001081
    Abstract: An electronic device includes: a base; a conductor pattern formed on the base; a circuit chip electrically connected to the conductor pattern; and a reinforcing member which is disposed on the base to surround the circuit chip, whose outer shape is like a ring, and which has such an internal structure that a plurality of columns extending in the thickness direction of the base are dispersed in a predetermined substrate. The electronic device further includes a sealing member which fills an inside of the reinforcing member while covering the top of the circuit chip, thereby sealing the circuit chip on the base.
    Type: Application
    Filed: September 14, 2009
    Publication date: January 7, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Hiroshi Kobayashi, Kenji Kobae, Shuichi Takeuchi, Hidehiko Kira
  • Publication number: 20100001387
    Abstract: An electronic device includes: a base; a conductor pattern formed on the base; and a circuit chip electrically connected to the conductor pattern. The electronic device further includes a reinforcing member which is disposed on the base to surround the circuit chip, whose outer shape is like a ring, and which includes layers stacked in the thickness direction of the base. The lowermost layer of the layers is closest to the base and softer than the layer that is at least one of the remaining layers. The electronic device further includes a sealing member which fills an inside of the reinforcing member while covering the top of the circuit chip, thereby sealing the circuit chip on the base.
    Type: Application
    Filed: September 14, 2009
    Publication date: January 7, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Hiroshi Kobayashi, Kenji Kobae, Shuichi Takeuchi, Hidehiko Kira
  • Publication number: 20090320270
    Abstract: There are provided a method of assembling a carriage assembly that can uniformly crimp edge portions of spacer holes of spacer portions and keep the spacer portions flat, thereby maintaining the angles of suspensions with high accuracy, and an assembling apparatus that uses such method.
    Type: Application
    Filed: March 15, 2007
    Publication date: December 31, 2009
    Inventors: Naoki Ishikawa, Hidehiko Kira, Kimio Nakamura, Takayoshi Matsumura
  • Publication number: 20090243006
    Abstract: According to an aspect of the invention, an electronic part includes a substrate having a first planar surface, a first bump affixed to the first planar surface of the substrate, a second bump affixed to the first planar surface of the substrate a predetermined distance from the first bump, a MEMS chip including a element, the MEMS chip coupled to the first bump and the second bump, the MEMS chip distanced from the first planar surface, an adhesive region bonding with the first bump, the substrate and the MEMS chip.
    Type: Application
    Filed: March 12, 2009
    Publication date: October 1, 2009
    Applicant: FUJITSU Limited
    Inventors: Tetsuya TAKAHASHI, Kenji Kobae, Shuichi Takeuchi, Yoshiyuki Satoh, Hidehiko Kira, Takayoshi Matsumura
  • Patent number: 7595219
    Abstract: The present invention provides an IC chip mounting method for mounting two or more IC chips on a base, including: preparing a wafer by mounting a tape on a face thereof, which is the reverse of the wafer having a mounting surface to be attached to the base, and by dividing the wafer into IC chips by dicing while leaving the tape; sequentially pressing the IC chips on the wafer against a first roller to allow the chips to be sucked onto the first roller; subsequently transferring the IC chips sucked onto the first roller to a second roller; and subsequently mounting the IC chips transferred to the second roller on the traveling base.
    Type: Grant
    Filed: January 4, 2006
    Date of Patent: September 29, 2009
    Assignees: Fujitsu Limited, Fujitsu Frontech Limited
    Inventors: Naoki Ishikawa, Tatsuro Tsuneno, Hidehiko Kira, Hiroshi Kobayashi
  • Patent number: 7581309
    Abstract: A method of assembling a carriage assembly is capable of suppressing deformation of spacer portions when suspensions are attached to carriage arms. The method of assembling a carriage assembly aligns fitting holes provided in front end portions of carriage arms and spacer holes provided in spacer portions of suspensions and places the suspensions onto the carriage arms, and then presses a ball with a diameter equal to or greater than an inner diameter of the spacer holes with a pressure-applying member to pass the ball through the spacer holes, thereby crimping spacer hole edge portions of the spacer portions and attaching the suspensions to the front end portions of the carriage arms. By applying ultrasonic vibration from two axial directions to the pressure-applying member, the pressure-applying member is caused to vibrate on a two-dimensional movement path on a predetermined plane and passes the ball through the spacer holes while causing the ball to rotate.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: September 1, 2009
    Assignee: Fujitsu Limited
    Inventors: Takayoshi Matsumura, Naoki Ishikawa, Hiroshi Kobayashi, Yasuo Moriya, Hidehiko Kira
  • Patent number: 7566586
    Abstract: A method of manufacturing a semiconductor device flip-chip bonds electrode terminals of a substrate and a semiconductor chip together by solid-phase diffusion and underfills a gap between the substrate and the semiconductor chip with a thermosetting resin without the bonds between the terminals breaking due to heat in an underfill hardening step. The method includes a bonding step of flip-chip bonding the electrode terminals of the substrate and the semiconductor chip by solid-phase diffusion, an underfill filling step of filling the gap between the substrate and the semiconductor chip with the underfill material, and the underfill hardening step where the underfill material is heated to the hardening temperature to harden the underfill material. During the underfill hardening step, a member with a lower coefficient of thermal expansion out of the substrate and the semiconductor chip is heated to a higher temperature than the other member.
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: July 28, 2009
    Assignee: Fujitsu Limited
    Inventors: Norio Kainuma, Hidehiko Kira, Kenji Kobae, Kimio Nakamura, Kuniko Ishikawa, Yukio Ozaki
  • Patent number: 7562434
    Abstract: When crimping suspensions to carriage arms using a metal ball by applying ultrasonic vibration to a crimping tool, the suspensions can be crimped to the carriage arms without causing deformation to the suspensions and the like. A method of assembling a carriage assembly aligns attachment holes provided in front ends of carriage arms and crimping portions provided on suspensions to set the suspensions on the carriage arms and then presses a ball through crimping holes provided in the crimping portions while applying ultrasonic vibration to the crimping tool to crimp the suspensions to the carriage arms. When doing so, a ball, such as a ball whose surface has been subjected to a dimpling process, for which a load that acts on the ball when the ball passes through the crimping holes is low compared to a spherical ball is used to crimp the suspensions to the carriage arms.
    Type: Grant
    Filed: May 30, 2006
    Date of Patent: July 21, 2009
    Assignee: Fujitsu Limited
    Inventors: Naoki Ishikawa, Hidehiko Kira, Hiroshi Kobayashi, Takayoshi Matsumura
  • Publication number: 20090170245
    Abstract: An electronic apparatus manufacturing method comprises applying a first adhesive agent to a mounting portion, a first heating, in such a way that connection pads and bumps, come into contact, by pressing a heating head against a non-mounting surface of the electronic component, heating the electronic component, hardening the first adhesive agent, affixing the mounting substrate and electronic component, filling a space between the mounting substrate and the electronic component with a second adhesive agent under reduced pressure, and a second heating step of,, from being under reduced pressure to being under atmospheric pressure, by pressing the heating head against the non-mounting surface of the electronic component, heating the electronic component, as well as hardening the second adhesive agent, melting the connection pads, and joining the connection pads and the bumps.
    Type: Application
    Filed: December 8, 2008
    Publication date: July 2, 2009
    Applicant: Fujitsu Limited
    Inventors: Shuichi TAKEUCHI, Hidehiko Kira, Kenji Kobae, Yoshiyuki Satoh, Tetsuya Takahashi
  • Publication number: 20090146653
    Abstract: A slider tester includes a driving unit that rotates a test medium, a set plate that detachably supports a slider as a single body, and an investigating apparatus that is electrically connected to the slider supported by the set plate and investigates the characteristics of the slider. A movable support part 30 that tiltably supports the slider is provided on the set plate. There is also provided a pressing mechanism that elastically presses the slider via the movable support part toward a surface of the medium to dispose the slider floating over the surface of the medium. The pressing mechanism includes an elastic body 56 composed of a plate spring that contacts the movable support part and elastically presses the movable support part.
    Type: Application
    Filed: November 24, 2008
    Publication date: June 11, 2009
    Inventors: Norio Kainuma, Kenji Kobae, Hidehiko Kira, Hiroshi Kobayashi, Shuichi Takeuchi, Takayoshi Matsumura, Hirokazu Yamanishi, Shinji Hiraoka, Yoshiaki Yanagida
  • Publication number: 20090146652
    Abstract: A slider tester includes a driving unit that rotates a test medium, a set plate that detachably supports a slider as a single body, and an investigating apparatus that is electrically connected to the slider supported by the set plate and investigates the characteristics of the slider. A movable support part 30 that tiltably supports the slider is provided on the set plate. There is also provided a pressing mechanism that elastically presses the slider via the movable support part toward a surface of the medium to dispose the slider floating over the surface of the medium. The pressing mechanism includes an elastic body 56 composed of a plate spring that contacts the movable support part and elastically presses the movable support part.
    Type: Application
    Filed: November 24, 2008
    Publication date: June 11, 2009
    Inventors: Norio Kainuma, Kenji Kobae, Hidehiko Kira, Hiroshi Kobayashi, Shuichi Takeuchi, Takayoshi Matsumura, Hirokazu Yamanishi, Shinji Hiraoka, Yoshiaki Yanagida
  • Publication number: 20090115577
    Abstract: An RFID tag includes: a sheet-like base; an antenna provided on the base and extending along the base; a circuit chip mounted on the base and connected to the antenna for performing radio communication through the antenna; a protection body wider than the circuit chip and narrower than the antenna, which is located at least either above the circuit chip or on a backside of the circuit chip with the base interposed therebetween for protecting the circuit chip; and a connection section provided as a portion of the antenna at a location where an edge of the protection body and the antenna intersect with each other as viewed from a direction intersecting with a surface of the base, which includes one or more conductor patterns narrower than other portion of the antenna, and which connects inner and outer antenna portions of the edge with each other.
    Type: Application
    Filed: August 18, 2008
    Publication date: May 7, 2009
    Applicant: FUJITSU LIMITED
    Inventors: Hiroshi Kobayashi, Kenji Kobae, Takashi Kubota, Hidehiko Kira
  • Patent number: 7514788
    Abstract: The structure of mounting an electronic component on a circuit board is capable of securely flip-chip-bonding the electronic component having bumps, whose separations are very short, to the circuit board without displacement. The structure of mounting an electronic component on a circuit board is characterized in that bumps of the electronic component are respectively flip-chip-bonded to electrodes of the circuit board by applying ultrasonic vibrations to the electronic component, and that a center of each of the bumps is previously relatively displaced, with respect to a center of each of the electrodes in a width direction, in a direction parallel to a direction of the ultrasonic vibrations.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: April 7, 2009
    Assignee: Fujitsu Limited
    Inventors: Kenji Kobae, Hidehiko Kira, Norio Kainuma, Takayoshi Matsumura
  • Patent number: 7506427
    Abstract: A method of assembling a carriage assembly is disclosed. The method is are capable of suppressing fluctuation in the crimped (deformed) states of spacer portions when suspensions are attached to carriage arms. The method aligns fitting holes 10a provided in carriage arms 10 with spacer holes 12b of suspensions 12. Then the method passes a ball 20 with a diameter equal to or greater than an inner diameter of the spacer holes 12b through the spacer holes 12b to crimp edge portions of the spacer holes 12b in spacer portions 12a and thereby attach the suspensions 12 to the carriage arms 10. While the ball 20 is being pressed and sandwiched from both sides of the spacer holes 12b by two pressure-applying members 40a, 40b an ultrasonic vibration is applied to the two pressure-applying members 40a, 40b, the two pressure applying members 40a, 40b are moved so as to pass the ball 20 through the spacer holes 12b.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: March 24, 2009
    Assignee: Fujitsu Limited
    Inventors: Takayoshi Matsumura, Naoki Ishikawa, Hiroshi Kobayashi, Hidehiko Kira
  • Patent number: 7507654
    Abstract: Method for mounting an electronic component on a circuit board firstly flip-chip bonding positioning bumps of the electronic component to pads of the circuit board by applying ultrasonic vibrations to the electronic component. Bonding bumps, whose diameters are shorter than those of the positioning bumps and whose projecting lengths are shorter than those of the positioning bumps, of the electronic component are flip-chip bonded to electrodes of the circuit board by applying ultrasonic vibrations to the electronic element. In this manner, a center of each of the bonding bumps is previously relatively displaced, with respect to a center of each of the electrodes in a width direction, in a direction parallel to a direction to the ultrasonic vibrations.
    Type: Grant
    Filed: September 15, 2006
    Date of Patent: March 24, 2009
    Assignee: Fujitsu Limited
    Inventors: Kenji Kobae, Hidehiko Kira, Norio Kainuma, Takayoshi Matsumura
  • Patent number: 7486191
    Abstract: The present invention relates to an RFID tag performing exchange of information with an external device without contact, and is to improve the resistance to bending while avoiding an increase in the thickness of the RFID tag. A circuit chip is bonded to a base portion of a base with a thermosetting adhesive. The base is folded, and an ultraviolet curing adhesive is applied on the circuit chip. The fold-back portions of the base are folded back onto the circuit chip, to which portions ultraviolet light is irradiated, as a result, both of the surfaces of the circuit chip are bonded to the base with the adhesives.
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: February 3, 2009
    Assignee: Fujitsu Limited
    Inventors: Naoki Ishikawa, Shunji Baba, Hidehiko Kira, Hiroshi Kobayashi, Takayoshi Matumura
  • Patent number: 7471081
    Abstract: A slider tester includes a driving unit that rotates a test medium, a set plate that detachably supports a slider as a single body, and an investigating apparatus that is electrically connected to the slider supported by the set plate and investigates the characteristics of the slider. A movable support part 30 that tiltably supports the slider is provided on the set plate. There is also provided a pressing mechanism that elastically presses the slider via the movable support part toward a surface of the medium to dispose the slider floating over the surface of the medium. The pressing mechanism includes an elastic body 56 composed of a plate spring that contacts the movable support part and elastically presses the movable support part.
    Type: Grant
    Filed: January 6, 2006
    Date of Patent: December 30, 2008
    Assignee: Fujitsu Limited
    Inventors: Norio Kainuma, Kenji Kobae, Hidehiko Kira, Hiroshi Kobayashi, Shuichi Takeuchi, Takayoshi Matsumura, Hirokazu Yamanishi, Shinji Hiraoka, Yoshiaki Yanagida
  • Publication number: 20080265002
    Abstract: A method of ultrasonic mounting can increase mounting efficiency by using high-frequency ultrasound and can also mount large semiconductor chips. The method ultrasonically bonds a semiconductor chip 52 to a substrate 50 using an ultrasonic mounting apparatus including a horn 15 that propagates ultrasonic vibration of an ultrasonic vibrator, the horn 15 being made of a ceramic that has a higher vibration propagation speed than metal. The method includes steps of disposing the substrate 50 on a stage 13, disposing the semiconductor chip 52 on the substrate 50, and placing the semiconductor chip 52 in contact with a convex part 15a provided on the horn 15 and applying ultrasonic vibration to bond the semiconductor chip 52 to the substrate 50.
    Type: Application
    Filed: November 9, 2007
    Publication date: October 30, 2008
    Inventors: Norio Kainuma, Hidehiko Kira, Kenji Kobae, Takayoshi Matsumura