Patents by Inventor Toru Maruyama

Toru Maruyama 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).

  • Publication number: 20210370461
    Abstract: The present invention relates to a polishing apparatus having a surface-property measuring device for measuring surface properties of a polishing pad which is used to polish a substrate, such as semiconductor wafer, and a polishing system including such a polishing apparatus. The polishing apparatus includes a surface-property measuring device (30) for measuring surface properties of a polishing pad (2), a support arm (50) for supporting the surface-property measuring device (30), and a moving unit (53) coupled to the support arm (50) and configured to move the surface-property measuring device (30) from a retreat position to a measure position.
    Type: Application
    Filed: April 25, 2019
    Publication date: December 2, 2021
    Inventors: Keisuke KAMIKI, Toru MARUYAMA, Yasuyuki MOTOSHIMA
  • Publication number: 20210347004
    Abstract: A pad-temperature regulating device is disclosed, which can improve a responsiveness of a control for a surface temperature of a polishing pad and regulate the surface temperature of the polishing pad without causing defects, such as scratches, on the substrate. The pad-temperature regulating apparatus includes: a heat exchanger disposed above the polishing pad, whose temperature is maintained at a predetermined temperature; a pad-temperature measuring device configured to measure the surface temperature of the polishing pad; a distance sensor configured to measure a separation distance between the polishing pad and the heat exchanger; an elevating mechanism for moving the heat exchanger vertically with respect to the polishing pad; and a controller configured to control operation of the elevating mechanism based on measured values of the pad-temperature measuring device.
    Type: Application
    Filed: April 28, 2021
    Publication date: November 11, 2021
    Inventors: Shuji UOZUMI, Toru MARUYAMA
  • Publication number: 20210229235
    Abstract: An apparatus for polishing a substrate includes a rotatable polishing table supporting a polishing pad, a substrate holder configured to hold the substrate and press the substrate against a polishing surface of the polishing pad on the rotating polishing table so as to polish the substrate, and a pad-temperature detector configured to measure a temperature of the polishing surface of the polishing pad. The apparatus also includes a pad-temperature regulator configured to contact the polishing surface to regulate the temperature of the polishing surface, and a temperature controller configured to control the temperature of the polishing surface by controlling the pad-temperature regulator based on information on the temperature of the polishing surface detected by the pad-temperature detector.
    Type: Application
    Filed: April 13, 2021
    Publication date: July 29, 2021
    Inventors: Tadakazu SONE, Yasuyuki MOTOSHIMA, Toru MARUYAMA, Katsutoshi ONO, Yoichi SHIOKAWA
  • Publication number: 20210169842
    Abstract: Since a compound represented by the general formula (I) (wherein definition of each group is as described in the specification), a salt thereof, a solvate thereof, or a prodrug thereof has strong and sustaining intraocular pressure lowering activity and, further, has no side effect on eyes such as ocular stimulating property (hyperemia, corneal clouding etc.), aqueous humor protein rise etc., it has high safety, and can be an excellent agent for preventing and/or treating glaucoma etc.
    Type: Application
    Filed: January 14, 2021
    Publication date: June 10, 2021
    Applicant: ONO PHARMACEUTICAL CO., LTD.
    Inventors: Tohru KAMBE, Toru MARUYAMA, Shinsaku YAMANE, Satoshi NAKAYAMA, Kousuke TANI
  • Publication number: 20210170545
    Abstract: A system (5) includes a heat exchanging member (11) and a liquid supply unit (30). The liquid supply unit (30) includes a pump device (32) that adjusts the flow amount of a liquid flowing through a heating liquid supply line (HSL), a needle valve (MNV) that is attached to a cooling liquid supply line (CSL), and a control device (40) that controls operations of the pump device (32) and the needle valve (MNV).
    Type: Application
    Filed: December 8, 2020
    Publication date: June 10, 2021
    Applicant: EBARA CORPORATION
    Inventors: SHUJI UOZUMI, TORU MARUYAMA, MITSUNORI KOMATSU
  • Patent number: 10940134
    Abstract: Since a compound represented by the general formula (I) (wherein definition of each group is as described in the specification), a salt thereof, a solvate thereof, or a prodrug thereof has strong and sustaining intraocular pressure lowering activity and, further, has no side effect on eyes such as ocular stimulating property (hyperemia, corneal clouding etc.), aqueous humor protein rise etc., it has high safety, and can be an excellent agent for preventing and/or treating glaucoma etc.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: March 9, 2021
    Assignee: ONO PHARMACEUTICAL CO., LTD.
    Inventors: Tohru Kambe, Toru Maruyama, Shinsaku Yamane, Satoshi Nakayama, Kousuke Tani
  • Patent number: 10903101
    Abstract: A substrate processing apparatus having a detecting unit that can detect an abnormality of a substrate such as a crack of the substrate or chipping of the substrate is disclosed. The substrate processing apparatus includes a polishing unit configured to polish a substrate, a cleaning unit configured to clean the polished substrate, a substrate abnormality detection unit configured to detect an abnormality of the substrate, and a substrate transporting mechanism configured to transport the substrate in the order of the polishing unit, the substrate abnormality detection unit, and the cleaning unit. The substrate abnormality detection unit includes an imaging device configured to image the substrate, and an output monitoring unit configured to determine a status of the substrate by comparing a signal obtained from the imaging device with a predetermined threshold.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: January 26, 2021
    Assignee: EBARA CORPORATION
    Inventors: Mitsunori Komatsu, Toru Maruyama, Yoshinori Isono, Hiroaki Yanagi
  • Publication number: 20200393168
    Abstract: There is provided a cryocooler including a first compressor, a second compressor, a cold head that has a high pressure port and a low pressure port, a high pressure line that is configured such that a refrigerant gas is able to flow from the first compressor and the second compressor to the high pressure port of the cold head via a merging portion, the high pressure line including a first high pressure sub-line and a second high pressure sub-line, and a low pressure line that is configured such that the refrigerant gas is able to flow from the low pressure port of the cold head to the first compressor and the second compressor via a diverting portion, the low pressure line including a first low pressure sub-line and a second low pressure sub-line.
    Type: Application
    Filed: August 27, 2020
    Publication date: December 17, 2020
    Applicant: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventor: Toru MARUYAMA
  • Patent number: 10792784
    Abstract: A leak checking method which is capable of detecting a leak of compressed gas supplied to a polishing head without removing the polishing head from a polishing apparatus is disclosed. The leak checking method includes: supplying a compressed gas into a pressure chamber, which is formed by a membrane of a polishing head, with the membrane placed in contact with a stationary surface; measuring a flow rate of the compressed gas during supplying of the compressed gas into the pressure chamber, while regulating a pressure of the compressed gas by use of a pressure regulator; deciding whether or not the flow rate measured when a variation in the pressure of the compressed gas is within an allowable range of variation, is within a reference range; and generating a leak-detection signal when the flow rate is outside of the reference range.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: October 6, 2020
    Assignee: Ebara Corporation
    Inventors: Suguru Sakugawa, Nobuyuki Takahashi, Toru Maruyama
  • Publication number: 20200306920
    Abstract: A cleaning apparatus capable of effectively removing dirt attached to a bottom surface of a heat exchanger, is disclosed. The cleaning apparatus cleans the heat exchanger for regulating a surface temperature of a polishing pad. This cleaning apparatus includes: a moving mechanism configured to move the heat exchanger between a temperature-regulating position in which the heat exchanger can exchange heat with the polishing pad, and a retreat position in which the heat exchanger is separated from a surface of the polishing pad; and a cleaning mechanism configured to clean a bottom surface of the heat exchanger moved to the retreat position The retreat position is located on a side of the polishing pad. The cleaning mechanism includes at least one cleaning nozzle for ejecting a cleaning liquid to the bottom surface of the heat exchanger, or a cleaning tank in which the bottom surface of the heat exchanger can be immersed.
    Type: Application
    Filed: March 19, 2020
    Publication date: October 1, 2020
    Inventors: Yasuyuki Motoshima, Toru Maruyama, Keisuke Kamiki, Shuji Uozumi
  • Publication number: 20200276619
    Abstract: In one embodiment of the present invention, a cleaning member 90 is attached to the surface of a cleaning member attaching part 10. The cleaning member attaching part 10 has a main body 20, a cleaning liquid introduction part 30 extending inside the main body 20, and a plurality of cleaning liquid supply holes 40 communicating with the cleaning liquid introduction part 30. The cleaning liquid introduction part 30 is configured such that cleaning liquid flows in from a first end part 11 side, and an area proportion of the cleaning liquid supply holes 40 in a second region located on a second end part 12 side opposite to the first end part 11 to a surface of the main body 20 is larger than the area proportion of the cleaning liquid supply holes 40 in a first region located on the first end part 11 side to the surface of the main body 20.
    Type: Application
    Filed: January 23, 2020
    Publication date: September 3, 2020
    Applicant: Ebara Corporation
    Inventors: Shuji UOZUMI, Toru MARUYAMA, Yasuyuki MOTOSHIMA
  • Publication number: 20200243364
    Abstract: An object of the present invention is to improve a substrate processing apparatus using the CARE method. The present invention provides a substrate processing apparatus for polishing a processing target region of a substrate by bringing the substrate and a catalyst into contact with each other in the presence of processing liquid. The substrate processing apparatus includes a substrate holding unit configured to hold the substrate, a catalyst holding unit configured to hold the catalyst, and a driving unit configured to move the substrate holding unit and the catalyst holding unit relative to each other with the processing target region of the substrate and the catalyst kept in contact with each other. The catalyst is smaller than the substrate.
    Type: Application
    Filed: April 10, 2020
    Publication date: July 30, 2020
    Inventors: Itsuki Kobata, Keita Yagi, Katsuhide Watanabe, Yoichi Shiokawa, Toru Maruyama, Nobuyuki Takahashi
  • Patent number: 10710208
    Abstract: A polishing method and a polishing apparatus which can increase a polishing rate and can control a polishing profile of a substrate being polished by adjusting a surface temperature of a polishing pad are disclosed. The polishing method for polishing a substrate by pressing the substrate against a polishing pad on a polishing table includes a pad temperature adjustment step of adjusting a surface temperature of the polishing pad, and a polishing step of polishing the substrate by pressing the substrate against the polishing pad having the adjusted surface temperature. In the pad temperature adjustment step, the surface temperature of a part of an area of the polishing pad, the area being to be brought in contact with the substrate, is adjusted during the polishing step so that the rate of temperature change of a temperature profile in a radial direction of the surface of the polishing pad becomes constant in the radial direction of the polishing pad.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: July 14, 2020
    Assignee: EBARA CORPORATION
    Inventors: Toru Maruyama, Hisanori Matsuo, Yasuyuki Motoshima
  • Publication number: 20200188962
    Abstract: A substrate cleaning device that facilitates control of the amount of liquid supplied to a substrate and reduces adverse influences of the liquid supplied to a bearing part on the substrate is provided. The substrate cleaning device includes: a holding part that has a bearing part configured to rotatably hold a cleaning member for cleaning a substrate; a first supply part that has at least a part provided inside the holding part and supplies a first liquid into the cleaning member through the inside of the holding part; and a second supply part that supplies a second liquid to the bearing part.
    Type: Application
    Filed: December 13, 2019
    Publication date: June 18, 2020
    Applicant: EBARA CORPORATION
    Inventors: SHUJI UOZUMI, YASUYUKI MOTOSHIMA, TORU MARUYAMA
  • Patent number: 10665487
    Abstract: An object of the present invention is to improve a substrate processing apparatus using the CARE method. The present invention provides a substrate processing apparatus for polishing a processing target region of a substrate by bringing the substrate and a catalyst into contact with each other in the presence of processing liquid. The substrate processing apparatus includes a substrate holding unit configured to hold the substrate, a catalyst holding unit configured to hold the catalyst, and a driving unit configured to move the substrate holding unit and the catalyst holding unit relative to each other with the processing target region of the substrate and the catalyst kept in contact with each other. The catalyst is smaller than the substrate.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: May 26, 2020
    Assignee: EBARA CORPORATION
    Inventors: Itsuki Kobata, Keita Yagi, Katsuhide Watanabe, Yoichi Shiokawa, Toru Maruyama, Nobuyuki Takahashi
  • Publication number: 20200093781
    Abstract: Since a compound represented by the general formula (I) (wherein definition of each group is as described in the specification), a salt thereof, a solvate thereof, or a prodrug thereof has strong and sustaining intraocular pressure lowering activity and, further, has no side effect on eyes such as ocular stimulating property (hyperemia, corneal clouding etc.), aqueous humor protein rise etc., it has high safety, and can be an excellent agent for preventing and/or treating glaucoma etc.
    Type: Application
    Filed: November 27, 2019
    Publication date: March 26, 2020
    Applicant: ONO PHARMACEUTICAL CO., LTD.
    Inventors: Tohru KAMBE, Toru MARUYAMA, Shinsaku YAMANE, Satoshi NAKAYAMA, Kousuke TANI
  • Patent number: 10589398
    Abstract: A heat exchanger which can allow a surface temperature of a polishing pad to promptly reach a target temperature and can realize a uniform distribution of the surface temperature of the polishing pad is disclosed. The heat exchanger includes a pad contact surface capable of contacting the polishing pad, a heating flow passage through which a heating fluid is to flow, and a cooling flow passage through which a cooling fluid is to flow. The heating flow passage and the cooling flow passage are arranged side by side from beginnings to ends thereof, and the heating flow passage and the cooling flow passage cross each other at different levels at a peripheral portion of the pad contact surface.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: March 17, 2020
    Assignee: EBARA CORPORATION
    Inventors: Yohei Eto, Toru Maruyama
  • Patent number: 10556314
    Abstract: According to one aspect, a substrate processing apparatus is provided. The substrate processing apparatus includes a table provided with a substrate holding surface for holding a substrate, a pad for processing the substrate held on the table, a head for holding the pad, an actuator for moving the head in a direction perpendicular to the substrate holding surface of the table, and a mechanical stopper device for stopping a movement of the head in the direction perpendicular to the substrate holding surface.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: February 11, 2020
    Assignee: EBARA CORPORATION
    Inventors: Suguru Sakugawa, Toru Maruyama, Nobuyuki Takahashi, Zhongxin Wen, Yoichi Shiokawa, Keita Yagi, Itsuki Kobata, Tomohiko Takeuchi
  • Publication number: 20190389030
    Abstract: A method of checking a leakage of fluid from a fluid line includes connecting a leakage checking line to the fluid line between a supply valve and a return valve, regulating a pressure regulator disposed in the leakage checking line such that a pressure of fluid of the leakage checking line becomes the same as a pressure of fluid of the fluid line; closing the supply valve and the return valve and opening an opening/closing valve disposed in the leakage checking line; acquiring a flow rate of the fluid that flows in the leakage checking line by a flowmeter disposed in the leakage checking line; comparing the flow rate of the fluid acquired at the acquiring with a predetermined threshold; and determining that the fluid of the fluid line is leaked, when the flow rate of the fluid acquired at the acquiring is larger than the predetermined threshold.
    Type: Application
    Filed: June 24, 2019
    Publication date: December 26, 2019
    Inventors: Toru Maruyama, Yasuyuki Motoshima, Shuji Uozumi, Keisuke Kamiki, Misunori Komatsu
  • Patent number: 10475691
    Abstract: A substrate transfer hand is configured to sandwich a substrate between a plurality of receiving members and a gripping member and to fix the substrate by moving the gripping member with an actuator. The plurality of receiving members each have a flat plate-shaped support portion mounted on the main hand body, a substrate outer periphery holding portion supported on the support portion and configured to hold an outer periphery of the substrate, and a substrate lower surface holding portion supported on the support portion and configured to hold a lower surface of the substrate. The substrate outer periphery holding portion has a portion provided vertically from the support portion and configured to hold the substrate in contact with the outer periphery of the substrate. The substrate lower surface holding portion has a portion inclined from an outer peripheral side toward an inner side of the substrate to be held.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: November 12, 2019
    Assignee: EBARA CORPORATION
    Inventors: Toru Maruyama, Yasuyuki Motoshima, Yohei Eto