Patents by Inventor Hironori Ogawa

Hironori Ogawa 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: 10879033
    Abstract: Provided is a stage apparatus that reduces thermal deformation and temperature rise in an upper table on which a sample is mounted and a charged particle beam apparatus including the stage apparatus. The stage apparatus includes: an upper stage that moves an upper table on which a sample is mounted in a first direction; a middle stage that moves a middle table on which the upper stage is mounted in a second direction orthogonal to the first direction; and a lower stage that moves a lower table on which the middle stage is mounted in a third direction orthogonal to the first direction and the second direction. The upper table and the middle table use a material having a smaller thermal expansion coefficient than in a material of the lower table, and the lower table uses a material having higher thermal conductivity than in the material of the upper table and the middle table.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: December 29, 2020
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Akira Nishioka, Masaki Mizuochi, Shuichi Nakagawa, Tomotaka Shibazaki, Hironori Ogawa, Naruo Watanabe, Motohiro Takahashi, Takanori Kato
  • Patent number: 10804067
    Abstract: Provided is a charged particle beam apparatus including: an XY stage on which a sample is placed; a charged particle beam source which irradiates the sample with a charged particle beam; a detector which detects charged particles emitted from the sample upon the irradiation with the charged particle beam; an image generator which generates an SEM image of the sample based on a detection signal output by the detector; and a controller configured to set control parameters based on a movement starting point and a movement ending point of the XY stage and control a driving unit for moving the XY stage according to the control parameters.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: October 13, 2020
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Takanori Kato, Motohiro Takahashi, Naruo Watanabe, Akira Nishioka, Masaki Mizuochi, Shuichi Nakagawa, Hironori Ogawa
  • Patent number: 10770259
    Abstract: The present invention relates to a charged particle beam device capable of suppressing table deformation caused by movement of a rolling element of a guide with a simple configuration, and a strain isolation guide structure, a stage using the guide structure, and a charged particle beam device using the stage are proposed, the strain isolation guide structure being characterized in that, in a sample stage including a linear guide including a carriage (201), a rolling element, and a guide rail (202), and a table (105), the carriage (201) and the table (105) are connected via an adapter (401) as an elastically deformable member.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: September 8, 2020
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Motohiro Takahashi, Masaki Mizuochi, Shuichi Nakagawa, Hironori Ogawa, Takanori Kato
  • Publication number: 20200176217
    Abstract: A stage includes a sample table on which a sample is placed, a first drive mechanism moving the sample table in a first direction; a position measurement element measuring a position in the first direction that is a driving direction of the sample table. The stage also has a scale element having a scale measurement axis that is parallel to a first measurement axis in the first direction based on the position measurement element and is different from the first measurement axis in height, and measuring the position of the sample table in the first direction. A controller calculates the orientation of the sample table by using a measurement value by the position measurement element and a measurement value by the scale element and correcting the Abbe error of the sample table.
    Type: Application
    Filed: November 14, 2019
    Publication date: June 4, 2020
    Inventors: Motohiro TAKAHASHI, Masaki MIZUOCHI, Shuichi NAKAGAWA, Tomotaka SHIBAZAKI, Naruo WATANABE, Hironori OGAWA, Takanori KATO, Akira NISHIOKA
  • Patent number: 10658151
    Abstract: To provide a lightweight and highly rigid stage device that can move in X and Y directions and a Z direction, and a charged particle beam device including the stage device. A stage device includes a chuck that is loaded with a sample, an XY stage that moves in X and Y directions, and a Z stage that moves in a Z direction. The Z stage includes: an inclined part that is fixed to the XY stage and includes an inclined surface inclined with respect to an XY plane; a movement part that moves on the inclined surface; and a table that is fixed to the movement part and is provided with the a plane parallel to the XY plane.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: May 19, 2020
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Motohiro Takahashi, Masaki Mizuochi, Shuichi Nakagawa, Tomotaka Shibazaki, Naruo Watanabe, Akira Nishioka, Takanori Kato, Hironori Ogawa
  • Patent number: 10600614
    Abstract: The present invention is to provide a stage device capable of improving field-of-view positioning accuracy of a stage having a Z-axis mechanism. The invention is directed to a sample stage device having a first table that moves a sample in a first direction, a second driving mechanism that moves the first table in a second direction different from the first direction, and a part having a function of moving a laser interferometer optical axis that measures the position of the first table, in the second direction.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: March 24, 2020
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Motohiro Takahashi, Masaki Mizuochi, Shuichi Nakagawa, Tomotaka Shibazaki, Hironori Ogawa, Naruo Watanabe, Takanori Kato
  • Patent number: 10591018
    Abstract: The vibration-suppressing mechanism includes: a first arcuate member that has an inner wall surface shaped along an outer wall of a column of a charged particle beam device; a second arcuate member that has an inner wall surface shaped along an outer wall of a column of the charged particle beam device and is connected to the first arcuate member to form an annular member surrounding the outer wall of the column of the charged particle beam device; a fastening member fastening both the first arcuate member and the second arcuate member together; a vibration sensor attached to the arcuate member; and an actuator that operates in response to an output of the vibration sensor, and can be detached by releasing connection obtained by a connecting member.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: March 17, 2020
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Hiroki Takahashi, Shuichi Nakagawa, Toshihiko Shimizu, Hironori Ogawa, Toshihiro Arisaka
  • Patent number: 10586676
    Abstract: An object of the present invention is to provide a charged particle beam device capable of correcting an image drift caused by stage deformation or the like during imaging immediately after stage movement. In order to achieve the above object, proposed is a charged particle beam device including: a sample chamber; a sample stage arranged in the sample chamber; a charged particle beam source which releases a charged particle beam; a deflector which deflects the charged particle beam released from the charged particle beam source; a focusing lens which focuses the charged particle beam; and a control device that controls the sample stage and the deflector, in which the control device calculates a deflection signal to be supplied to the deflector based on a thrust information when driving of the sample stage and a coefficient assigned for each position of the sample stage.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: March 10, 2020
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Takanori Kato, Motohiro Takahashi, Shuichi Nakagawa, Hironori Ogawa
  • Publication number: 20190378678
    Abstract: Provided is a stage apparatus that reduces thermal deformation and temperature rise in an upper table on which a sample is mounted and a charged particle beam apparatus including the stage apparatus. The stage apparatus includes: an upper stage that moves an upper table on which a sample is mounted in a first direction; a middle stage that moves a middle table on which the upper stage is mounted in a second direction orthogonal to the first direction; and a lower stage that moves a lower table on which the middle stage is mounted in a third direction orthogonal to the first direction and the second direction. The upper table and the middle table use a material having a smaller thermal expansion coefficient than in a material of the lower table, and the lower table uses a material having higher thermal conductivity than in the material of the upper table and the middle table.
    Type: Application
    Filed: June 6, 2019
    Publication date: December 12, 2019
    Applicant: Hitachi High-Technologies Corporation
    Inventors: Akira NISHIOKA, Masaki MIZUOCHI, Shuichi NAKAGAWA, Tomotaka SHIBAZAKI, Hironori OGAWA, Naruo WATANABE, Motohiro TAKAHASHI, Takanori KATO
  • Patent number: 10442139
    Abstract: A technique for accurately detecting a temperature of a sealing surface which is not affected by sealing conditions or the like is provided. A seal bar (1) is a rod-shaped seal bar having a sealing surface (11a) and includes a heater (13) and a temperature sensor (14). The heater (13) is provided in a main body of the seal bar (1) and extends in an extending direction (D1) of the main body (11). The temperature sensor (14) is provided at a position between the sealing surface (11a) and the heater (13) in the main body (11) of the seal bar (1) and is inserted into the main body (11) of the seal bar (1) from an end surface (upper end surface (112) or the like) which intersects a long side of the sealing surface (11a).
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: October 15, 2019
    Assignee: OMRON Corporation
    Inventors: Hironori Ogawa, Norihiro Ueda, Yuki Tarumoto, Takaaki Yamada, Masahiro Ozaki, Morihisa Ohta, Akira Takaishi, Hiroyuki Togawa, Atsushi Mukai
  • Publication number: 20190259567
    Abstract: To provide a lightweight and highly rigid stage device that can move in X and Y directions and a Z direction, and a charged particle beam device including the stage device. A stage device includes a chuck that is loaded with a sample, an XY stage that moves in X and Y directions, and a Z stage that moves in a Z direction. The Z stage includes: an inclined part that is fixed to the XY stage and includes an inclined surface inclined with respect to an XY plane; a movement part that moves on the inclined surface; and a table that is fixed to the movement part and is provided with the a plane parallel to the XY plane.
    Type: Application
    Filed: January 7, 2019
    Publication date: August 22, 2019
    Inventors: Motohiro TAKAHASHI, Masaki MIZUOCHI, Shuichi NAKAGAWA, Tomotaka SHIBAZAKI, Naruo WATANABE, Akira NISHIOKA, Takanori KATO, Hironori OGAWA
  • Publication number: 20190252151
    Abstract: Provided is a charged particle beam apparatus including: an XY stage on which a sample is placed; a charged particle beam source which irradiates the sample with a charged particle beam; a detector which detects charged particles emitted from the sample upon the irradiation with the charged particle beam; an image generator which generates an SEM image of the sample based on a detection signal output by the detector; and a controller configured to set control parameters based on a movement starting point and a movement ending point of the XY stage and control a driving unit for moving the XY stage according to the control parameters.
    Type: Application
    Filed: January 7, 2019
    Publication date: August 15, 2019
    Inventors: Takanori KATO, Motohiro TAKAHASHI, Naruo WATANABE, Akira NISHIOKA, Masaki MIZUOCHI, Shuichi NAKAGAWA, Hironori OGAWA
  • Patent number: 10366912
    Abstract: An object of the invention is to provide a stage apparatus that realizes compatibility between long stroke driving and reduction of a burden on a drive mechanism. In order to achieve the above object, there is suggested a stage apparatus including a first table that moves a sample in a first direction, a second table that moves the first table in a second direction different from the first direction, moving mechanisms that move the tables, respectively, a movable body that supports a moving mechanism, and a third moving mechanism that moves the movable body so as to follow the second table.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: July 30, 2019
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Motohiro Takahashi, Masaki Mizuochi, Shuichi Nakagawa, Naruo Watanabe, Hironori Ogawa, Takanori Kato, Akira Nishioka
  • Publication number: 20190228947
    Abstract: The present invention relates to a charged particle beam device capable of suppressing table deformation caused by movement of a rolling element of a guide with a simple configuration, and a strain isolation guide structure, a stage using the guide structure, and a charged particle beam device using the stage are proposed, the strain isolation guide structure being characterized in that, in a sample stage including a linear guide including a carriage (201), a rolling element, and a guide rail (202), and a table (105), the carriage (201) and the table (105) are connected via an adapter (401) as an elastically deformable member.
    Type: Application
    Filed: July 12, 2017
    Publication date: July 25, 2019
    Inventors: Motohiro TAKAHASHI, Masaki MIZUOCHI, Shuichi NAKAGAWA, Hironori OGAWA, Takanori KATO
  • Patent number: 10296015
    Abstract: A sinusoidal signal that is frequency-swept so as to have a frequency region in which each frequency has a different number of cycles and/or application duration is applied to a control system in a movement device that moves a movement target, time-series data for transmission characteristics obtained from said control system as a result of the application of the aforementioned sinusoidal signal is acquired, and said time-series data is subjected to spectral analysis. This allows the provision of a positioning control device and a frequency-characteristics measurement method that make it possible to optimize measuring precision while minimizing increases in the amount of time it takes to measure frequency characteristics.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: May 21, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Masaki Odai, Yasuyuki Momoi, Hironori Ogawa
  • Publication number: 20190145490
    Abstract: The vibration-suppressing mechanism includes: a first arcuate member that has an inner wall surface shaped along an outer wall of a column of a charged particle beam device; a second arcuate member that has an inner wall surface shaped along an outer wall of a column of the charged particle beam device and is connected to the first arcuate member to form an annular member surrounding the outer wall of the column of the charged particle beam device; a fastening member fastening both the first arcuate member and the second arcuate member together; a vibration sensor attached to the arcuate member; and an actuator that operates in response to an output of the vibration sensor, and can be detached by releasing connection obtained by a connecting member.
    Type: Application
    Filed: June 14, 2017
    Publication date: May 16, 2019
    Inventors: Hiroki TAKAHASHI, Shuichi NAKAGAWA, Toshihiko SHIMIZU, Hironori OGAWA, Toshihiro ARISAKA
  • Publication number: 20190108970
    Abstract: An object of the present invention is to provide a charged particle beam device capable of correcting an image drift caused by stage deformation or the like during imaging immediately after stage movement. In order to achieve the above object, proposed is a charged particle beam device including: a sample chamber; a sample stage arranged in the sample chamber; a charged particle beam source which releases a charged particle beam; a deflector which deflects the charged particle beam released from the charged particle beam source; a focusing lens which focuses the charged particle beam; and a control device that controls the sample stage and the deflector, in which the control device calculates a deflection signal to be supplied to the deflector based on a thrust information when driving of the sample stage and a coefficient assigned for each position of the sample stage.
    Type: Application
    Filed: June 14, 2017
    Publication date: April 11, 2019
    Inventors: Takanori KATO, Motohiro TAKAHASHI, Shuichi NAKAGAWA, Hironori OGAWA
  • Publication number: 20190103246
    Abstract: The present invention is to provide a stage device capable of improving field-of-view positioning accuracy of a stage having a Z-axis mechanism. The invention is directed to a sample stage device having a first table (105) that moves a sample in a first direction, a second driving mechanism (601) that moves the first table in a second direction different from the first direction, and a part having a function of moving a laser interferometer optical axis (115) that measures the position of the first table, in the second direction.
    Type: Application
    Filed: September 5, 2018
    Publication date: April 4, 2019
    Inventors: Motohiro TAKAHASHI, Masaki MIZUOCHI, Shuichi NAKAGAWA, Tomotaka SHIBAZAKI, Hironori OGAWA, Naruo WATANABE, Takanori KATO
  • Patent number: 10153128
    Abstract: To realize a sample lifting and lowering device capable of easily responding to increase of a diameter of a sample with light weight and high rigidity as well as with less directional dependence of rigidity as the sample lifting lowering device arranged above a horizontal movement mechanism.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: December 11, 2018
    Assignee: HITACHI HIGH-TECHNOLOGIES CORPORATION
    Inventors: Masakazu Sugaya, Yusuke Moriwaki, Koichi Terada, Nobuo Shibata, Hironori Ogawa, Hiroyuki Kitsunai, Toshihiko Shimizu, Shuichi Nakagawa
  • Publication number: 20180247855
    Abstract: An object of the invention is to provide a stage apparatus that realizes compatibility between long stroke driving and reduction of a burden on a drive mechanism. In order to achieve the above object, there is suggested a stage apparatus including a first table that moves a sample in a first direction, a second table that moves the first table in a second direction different from the first direction, moving mechanisms that move the tables, respectively, a movable body that supports a moving mechanism, and a third moving mechanism that moves the movable body so as to follow the second table.
    Type: Application
    Filed: February 22, 2018
    Publication date: August 30, 2018
    Inventors: Motohiro TAKAHASHI, Masaki MIZUOCHI, Shuichi NAKAGAWA, Naruo WATANABE, Hironori OGAWA, Takanori KATO, Akira NISHIOKA