Patents by Inventor Kazumi Matsushige

Kazumi Matsushige 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: 8796654
    Abstract: A probe needle is successively moved to a plurality of measurement points set in a measurement region on a sample so as to measure a z-displacement amount. An excitation control unit feedback-controls a piezoelectric element so that a vibration amplitude of a cantilever is constant in accordance with the detection output by a displacement detection unit. Moreover, a vertical displacement control unit feedback-controls a vertical position scan unit so as to obtain a constant distance between the probe needle and the sample according to a frequency shift by a frequency detection unit. When changes of outputs of two feedback loops at a certain measurement point are both within a predetermined range, a main control unit issues an instruction to a horizontal position control unit to rapidly move to the next measurement point. As a result, it is possible to adaptively decide such a measurement time that both of the two feedback controls at respective measurement points are established.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: August 5, 2014
    Assignee: Shimadzu Coporation
    Inventors: Masahiro Ohta, Noriaki Oyabu, Kenjiro Kimura, Shinichiro Ido, Kei Kobayashi, Hirofumi Yamada, Kazumi Matsushige
  • Patent number: 8536862
    Abstract: Above a sample (9) having magnetic domains, a distribution of magnetic force in a measurement plane (91) is obtained as a magnetic force image using a MFM, an auxiliary magnetic force image is obtained by performing measurement in a measurement plane (92) away from the measurement plane (91) by a distance d, and a difference between them is divided by the distance d to obtain a magnetic force gradient image. The magnetic force image and the auxiliary magnetic force image are Fourier transformed and substituted into a three-dimensional field obtaining equation derived from a general solution of the Laplace equation, and the three-dimensional field indicating the magnetic force is obtained. A state of the magnetic domains at the surface (93) of the sample (9) can be obtained with high accuracy by obtaining the three-dimensional field.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: September 17, 2013
    Assignee: Kyoto University
    Inventors: Kenjiro Kimura, Kei Kobayashi, Hirofumi Yamada, Kazumi Matsushige, Takashi Horiuchi, Nobuo Satoh, Akifumi Nakai
  • Patent number: 8225418
    Abstract: Incident light 19 emitted from a laser light source 18 is reflected on an upper surface of a cantilever 13, so that reflected light 19a enters light detection means 20. Since the incident light 19 and the reflected light 19a are in a plane not including a long axis of the cantilever 13, movements of the reflected light 19a due to change in a deflection amount ? of the cantilever 13 and due to change in a fine vertical movement amount z thereof are different in direction on the light detection means 20. This enables the change in the deflection amount ? of the cantilever 13 and the change in the fine vertical movement amount z thereof to be separated from output of the light detection means 20.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: July 17, 2012
    Assignee: Kyoto University
    Inventors: Eika Tsunemi, Nobuo Satoh, Kei Kobayashi, Hirofumi Yamada, Kazumi Matsushige
  • Publication number: 20110261352
    Abstract: A probe needle is successively moved to a plurality of measurement points set in a measurement region on a sample so as to measure a z-displacement amount. An excitation control unit feedback-controls a piezoelectric element so that a vibration amplitude of a cantilever is constant in accordance with the detection output by a displacement detection unit. Moreover, a vertical displacement control unit feedback-controls a vertical position scan unit so as to obtain a constant distance between the probe needle and the sample according to a frequency shift by a frequency detection unit. When changes of outputs of two feedback loops at a certain measurement point are both within a predetermined range, a main control unit issues an instruction to a horizontal position control unit to rapidly move to the next measurement point. As a result, it is possible to adaptively decide such a measurement time that both of the two feedback controls at respective measurement points are established.
    Type: Application
    Filed: July 31, 2008
    Publication date: October 27, 2011
    Applicant: SHIMADZU CORPORATION
    Inventors: Masahiro Ohta, Noriaki Oyabu, Kenjiro Kimura, Shinichiro Ido, Kei Kobayashi, Hirofumi Yamada, Kazumi Matsushige
  • Publication number: 20110247107
    Abstract: Incident light 19 emitted from a laser light source 18 is reflected on an upper surface of a cantilever 13, so that reflected light 19a enters light detection means 20. Since the incident light 19 and the reflected light 19a are in a plane not including a long axis of the cantilever 13, movements of the reflected light 19a due to change in a deflection amount ? of the cantilever 13 and due to change in a fine vertical movement amount z thereof are different in direction on the light detection means 20. This enables the change in the deflection amount ? of the cantilever 13 and the change in the fine vertical movement amount z thereof to be separated from output of the light detection means 20.
    Type: Application
    Filed: December 7, 2009
    Publication date: October 6, 2011
    Applicant: KYOTO UNIVERSITY
    Inventors: Eika Tsunemi, Nobuo Satoh, Kei Kobayashi, Hirofumi Yamada, Kazumi Matsushige
  • Publication number: 20110062964
    Abstract: A method for measuring surface properties according to the present invention includes the steps of: with distance control feedback applied so that a desired physical quantity to be measured that is attributed to an interaction between a probe and a sample is actually measured while changing a measured distance between the probe and the sample in accordance with a relationship between the desired physical quantity and the measured distance, (i) setting a set value, corresponding to the desired physical quantity, which serves to change the measured distance; and (ii) recording, for each set value thus set, a relationship between the measured distance changed by the set value set in the step (i) and a physical quantity measured with the probe and the sample placed at that measured distance. This allows precise and quick measurement of a physical quantity even in a region where the probe and the sample are very close to each other, while avoiding a collision between them.
    Type: Application
    Filed: April 30, 2009
    Publication date: March 17, 2011
    Inventors: Yoshihiro Hosokawa, Kei Kobayashi, Hirofumi Yamada, Kazumi Matsushige, Yukiko Mori
  • Patent number: 7829863
    Abstract: An electron beam irradiation device of the present invention includes: a projector 8 for generating a two-dimensional light pattern 13; a microchannel plate 11 for (i) generating an electron beam array based on the light pattern 13 having entered, (ii) amplifying the electron beam array, and (iii) emitting the electron beam array as an amplified electron beam array 14; and an electron beam lens section 12 for converging the amplified electron beam array 14. This electron beam irradiation device is capable of manufacturing a semiconductor device whose performance is improved through a finer processing by means of irradiation using an electron beam. Further, the electron beam irradiation device allows cost reduction, because the device allows collective irradiation using a two dimensional pattern.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: November 9, 2010
    Assignee: Kyoto University
    Inventors: Kenjiro Kimura, Kei Kobayashi, Hirofumi Yamada, Kazumi Matsushige
  • Publication number: 20100219819
    Abstract: Above the sample (9) having magnetic domains, a distribution of magnetic force in a measurement plane (91) is obtained as a magnetic force image with use of a MFM, an auxiliary magnetic force image is obtained by performing measurement in a measurement plane (92) away from the measurement plane (91) by a minute distance d, and a difference between them is divided by the minute distance d to obtain a magnetic force gradient image. The magnetic force image and the auxiliary magnetic force image are Fourier transformed and substituted into a three-dimensional field obtaining equation derived from a general solution of the Laplace equation, and the three-dimensional field indicating the magnetic force is obtained with high accuracy. A state of the magnetic domains at the surface (93) of the sample (9) can be obtained with high accuracy by obtaining the three-dimensional field.
    Type: Application
    Filed: March 28, 2008
    Publication date: September 2, 2010
    Inventors: Kenjiro Kimura, Kei Kobayashi, Hirofumi Yamada, Kazumi Matsushige, Takashi Horiuchi, Nobuo Satoh, Akifumi Nakai
  • Publication number: 20090127473
    Abstract: An electron beam irradiation device of the present invention includes: a projector 8 for generating a two-dimensional light pattern 13; a microchannel plate 11 for (i) generating an electron beam array based on the light pattern 13 having entered, (ii) amplifying the electron beam array, and (iii) emitting the electron beam array as an amplified electron beam array 14; and an electron beam lens section 12 for converging the amplified electron beam array 14. This electron beam irradiation device is capable of manufacturing a semiconductor device whose performance is improved through a finer processing by means of irradiation using an electron beam. Further, the electron beam irradiation device allows cost reduction, because the device allows collective irradiation using a two dimensional pattern.
    Type: Application
    Filed: November 18, 2005
    Publication date: May 21, 2009
    Inventors: Kenjiro Kimura, Kei Kobayashi, Hirofumi Yamada, Kazumi Matsushige
  • Publication number: 20090072143
    Abstract: There is provided a pyroelectric infrared sensor being capable of changing its shape and having high sensitivity. The sensor comprises the substrate 11 made of a polymer material such as polyimide or polyethylene terephthalate and having flexibility, the layer 13 comprising vinylidene fluoride (VDF), and the flexible electrodes 12 and 14 comprising an Al-deposited film and provided on and under the VDF oligomer layer 13. The pyroelectric infrared sensor of the present invention has flexibility as a whole due to flexibility of each component elements and can be formed into desired shapes. In addition, since a substrate made of a polymer material has heat capacity and heat conductivity lower than those of Si substrates used on conventional pyroelectric infrared sensors, sensitivity of the sensor can be increased.
    Type: Application
    Filed: March 19, 2007
    Publication date: March 19, 2009
    Applicant: Daikin Industries, Ltd
    Inventors: Kenji Ishida, Shuichiro Kuwajima, Kazumi Matsushige, Toshihisa Horiuchi, Arifumi Matsumoto, Tetsuhiro Kodani, Meiten Koh
  • Publication number: 20080119008
    Abstract: A molecular device of the present invention is arranged so that a self-organizing monomolecular layer is formed on an oxide layer made of an oxide of a substrate by being chemically bonded with the surface of the oxide layer, and nano structures are formed on the monomolecular film. With this arrangement, the present invention provides a molecular device which causes less interaction between the substrate and nanostructures arranged on the substrate, thereby realizing easier control of orientation of nano structures on the substrate. The present invention also provides a manufacturing method of the molecular device.
    Type: Application
    Filed: August 30, 2005
    Publication date: May 22, 2008
    Inventors: Yuji Miyato, Kei Kobayashi, Hirofumi Yamada, Kazumi Matsushige
  • Publication number: 20060121203
    Abstract: A totally new method for manufacturing a thin film wherein only an arbitrary small region is structurally controlled. The structure of a film is controlled by applying a force to the entire film or an arbitrary region of the film using a part having a sharp tip during the film-forming process or after finishing the film formation. At this time, the temperature of the film is set at the glass transition point of the amorphous region or higher. An atomic force microscope can be used as an apparatus for realizing this manufacturing method.
    Type: Application
    Filed: September 11, 2003
    Publication date: June 8, 2006
    Inventors: Kuniko Kimura, Kei Kobayashi, Hirofumi Yamada, Toshihisa Horiuchi, Kenji Ishida, Kazumi Matsushige
  • Patent number: 6823724
    Abstract: A method of detecting the distribution of values of a physical property such as the dopant concentration of a semiconductor without being adversely affected by stray capacitance is offered. A scanning probe microscope capable of implementing this method is also offered. The method starts with applying an AC voltage of angular frequency &ohgr; between a probe and a sample from a fixed oscillator. The output from the oscillator is supplied to a piezoelectric device that drives the cantilever. The cantilever produces a deflection signal corresponding to forces corresponding to interactions between the probe and sample. A signal regarding the amplitude is extracted from the deflection signal. This signal is fed back to a means for controlling the distance between the probe and sample and supplied to a display device. As a result, an image of the surface topography of the sample is obtained.
    Type: Grant
    Filed: March 25, 2003
    Date of Patent: November 30, 2004
    Assignees: JEOL Ltd., Kyoto Instruments Co., Ltd.
    Inventors: Kei Kobayashi, Hirofumi Yamada, Kazumi Matsushige
  • Publication number: 20040144829
    Abstract: There are provided a method of soldering a lead-free solder which lowers a melting point of the lead-free solder and prevents deterioration of a joining strength at a portion joined by the lead-free solder, and a joined object soldered with the use of the soldering method. The lead-free solder as an alloy of tin with no lead contained is melted, and ultrasonic vibration is acted at least either to the join object to be joined by the lead-free solder or to the lead-free solder when the molten lead-free solder is solidified. Therefore crystals of contained components in the lead-free solder are made fine and the contained components are prevented from being segregated at a joining interface of the joined object, so that the joining strength at the joining interface can be increased.
    Type: Application
    Filed: January 20, 2004
    Publication date: July 29, 2004
    Inventors: Kazumi Matsushige, Toshihisa Horiuchi, Takashi Ikari, Kenichiro Suetsugu, Masato Hirano, Shunji Hibino, Atsushi Yamaguchi
  • Patent number: 6702175
    Abstract: There are provided a method of soldering a lead-free solder which lowers a melting point of the lead-free solder and prevents deterioration of a joining strength at a portion joined by the lead-free solder, and a joined object soldered with the use of the soldering method. The lead-free solder as an alloy of tin with no lead contained is melted, and ultrasonic vibration is acted at least either to the join object to be joined by the lead-free solder or to the lead-free solder when the molten lead-free solder is solidified. Therefore crystals of contained components in the lead-free solder are made fine and the contained components are prevented from being segregated at a joining interface of the joined object, so that the joining strength at the joining interface can be increased.
    Type: Grant
    Filed: December 7, 2001
    Date of Patent: March 9, 2004
    Assignees: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kazumi Matsushige, Toshihisa Horiuchi, Takashi Ikari, Kenichiro Suetsugu, Masato Hirano, Shunji Hibino, Atsushi Yamaguchi