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).

  • Patent number: 10438818
    Abstract: The present invention relates to a substrate processing apparatus for processing a substrate, such as a wafer, while supplying a cleaning liquid (e.g. pure water and a liquid chemical) to the substrate, and also relates to a pipe cleaning method for the substrate processing apparatus. The substrate processing apparatus includes: a first cleaning lane including first cleaning units (52), (54) each for cleaning a substrate while supplying pure water to the substrate; a second cleaning lane including second cleaning units (60), (62) each for cleaning a substrate while supplying pure water to the substrate; a first pure-water supply pipe (120) for supplying the pure water to the first cleaning lane; and a second pure-water supply pipe (180) for supplying the pure water to the second cleaning lane.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: October 8, 2019
    Assignee: EBARA CORPORATION
    Inventors: Junji Kunisawa, Toru Maruyama, Masayoshi Imai, Koji Maeda, Mitsuru Miyazaki, Teruaki Hombo, Fujihiko Toyomasu
  • Patent number: 10414018
    Abstract: There is disclosed an apparatus which can maintain a surface temperature of a polishing pad at a desired target temperature. The apparatus for regulating a surface temperature of a polishing pad, includes: a pad contact member which is contactable with a surface of the polishing pad and which has a heating flow passage and a cooling flow passage formed therein; a heating-liquid supply pipe coupled to the heating flow passage; a cooling-liquid supply pipe coupled to the cooling flow passage; a first flow control valve attached to the heating-liquid supply pipe; a second flow control valve attached to the cooling-liquid supply pipe; a pad-temperature measuring device configured to measure a surface temperature of the polishing pad; and a valve controller configured to operate the first flow control valve and the second flow control valve based on the surface temperature of the polishing pad.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: September 17, 2019
    Assignee: Ebara Corporation
    Inventors: Toru Maruyama, Hisanori Matsuo, Yasuyuki Motoshima, Yohei Eto, Mitsunori Komatsu
  • Patent number: 10373845
    Abstract: A substrate cleaning apparatus includes: a pure water supply line provided with a pure water flow regulator and a pure water supply valve; chemical supply lines each provided with a chemical flow regulator and a chemical supply valve; a merging line where pure water and a plurality of liquid chemicals meet to form a cleaning liquid; a cleaning liquid supply line configured to supply the cleaning liquid to a substrate; and a controller configured to control the pure water flow regulator, the pure water supply valve, the chemical flow regulators, and the chemical supply valves such that the pure water and the plurality of liquid chemicals are present at a predetermined ratio at a meeting point.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: August 6, 2019
    Assignee: EBARA CORPORATION
    Inventors: Fujihiko Toyomasu, Toru Maruyama, Mitsunori Komatsu
  • Patent number: 10340159
    Abstract: A cleaning chemical supplying device, a cleaning chemical supplying method, and a cleaning unit capable of flexibly handling a change of a dilution ratio and suppression of an increase of a device size are provided. A cleaning chemical supplying device has a first in-line mixer, a second in-line mixer, a first chemical CLC box, a second chemical CLC box, and a DIWCLC box.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: July 2, 2019
    Assignee: EBARA CORPORATION
    Inventors: Fujihiko Toyomasu, Toru Maruyama, Junji Kunisawa
  • Publication number: 20190168354
    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: February 6, 2019
    Publication date: June 6, 2019
    Inventors: Tadakazu SONE, Yasuyuki MOTOSHIMA, Toru MARUYAMA, Katsutoshi ONO, Yoichi SHIOKAWA
  • Publication number: 20190126428
    Abstract: A heat exchanger capable of preventing sticking of slurry is disclosed. The heat exchanger includes: a flow passage structure having a heating flow passage and a cooling flow passage formed therein; and a water-repellent material covering a side surface of the flow passage structure. A side surface of the heat exchanger is constituted by the water-repellent material.
    Type: Application
    Filed: October 29, 2018
    Publication date: May 2, 2019
    Inventors: Toru MARUYAMA, Yasuyuki MOTOSHIMA, Hisanori MATSUO, Masashi KABASAWA
  • Publication number: 20190118334
    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: Application
    Filed: December 19, 2018
    Publication date: April 25, 2019
    Inventors: Toru MARUYAMA, Hisanori MATSUO, Yasuyuki MOTOSHIMA
  • Publication number: 20190111019
    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: December 21, 2018
    Publication date: April 18, 2019
    Applicant: ONO PHARMACEUTICAL CO., LTD.
    Inventors: Tohru KAMBE, Toru MARUYAMA, Shinsaku YAMANE, Satoshi NAKAYAMA, Kousuke TANI
  • Patent number: 10259098
    Abstract: A polishing apparatus polishes a surface of a substrate by pressing the substrate against a polishing pad on a polishing table. The polishing apparatus is configured to control a temperature of the polishing surface of the polishing pad by blowing a gas on the polishing pad during polishing. The polishing apparatus includes a pad temperature control mechanism having at least one gas ejection nozzle for ejecting a gas toward the polishing pad and configured to blow the gas onto the polishing pad to control a temperature of the polishing pad, and an atomizer having at least one nozzle for ejecting a liquid or a mixed fluid of a gas and a liquid and configured to blow the liquid or the mixed fluid onto the polishing pad to remove foreign matters on the polishing pad. The pad temperature control mechanism and the atomizer are formed into an integral unit.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: April 16, 2019
    Assignee: EBARA CORPORATION
    Inventors: Yasuyuki Motoshima, Toru Maruyama, Hisanori Matsuo
  • Patent number: 10201520
    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: December 22, 2017
    Date of Patent: February 12, 2019
    Assignee: ONO PHARMACEUTICAL CO., LTD.
    Inventors: Tohru Kambe, Toru Maruyama, Shinsaku Yamane, Satoshi Nakayama, Kousuke Tani
  • Patent number: 10195712
    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: September 6, 2017
    Date of Patent: February 5, 2019
    Assignee: EBARA CORPORATION
    Inventors: Toru Maruyama, Hisanori Matsuo, Yasuyuki Motoshima
  • Publication number: 20180304434
    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: Application
    Filed: April 12, 2018
    Publication date: October 25, 2018
    Applicant: Ebara Corporation
    Inventors: Suguru SAKUGAWA, Nobuyuki TAKAHASHI, Toru MARUYAMA
  • Publication number: 20180236631
    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: Application
    Filed: January 30, 2018
    Publication date: August 23, 2018
    Inventors: Yohei Eto, Toru Maruyama
  • Patent number: 10047977
    Abstract: A cooling system is provided with a refrigerator using helium gas, a compressor that compresses the helium gas returned from the refrigerator and supplies the gas to the refrigerator, and a control unit. The control unit includes a measurement acquisition unit that acquires measurements of a plurality of different parameters representing a status of the refrigerator, or the compressor, or both, and an analysis unit that conducts multivariate analysis of the measurements acquired by the measurement acquisition unit.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: August 14, 2018
    Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventors: Jyunya Hamasaki, Toru Maruyama
  • Publication number: 20180222007
    Abstract: A polishing apparatus polishes a surface of a substrate by pressing the substrate against a polishing pad on a polishing table. The polishing apparatus is configured to control a temperature of the polishing surface of the polishing pad by blowing a gas on the polishing pad during polishing. The polishing apparatus includes a pad temperature control mechanism having at least one gas ejection nozzle for ejecting a gas toward the polishing pad and configured to blow the gas onto the polishing pad to control a temperature of the polishing pad, and an atomizer having at least one nozzle for ejecting a liquid or a mixed fluid of a gas and a liquid and configured to blow the liquid or the mixed fluid onto the polishing pad to remove foreign matters on the polishing pad. The pad temperature control mechanism and the atomizer are formed into an integral unit.
    Type: Application
    Filed: April 6, 2018
    Publication date: August 9, 2018
    Inventors: Yasuyuki MOTOSHIMA, Toru MARUYAMA, Hisanori MATSUO
  • Patent number: 10035238
    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: September 6, 2017
    Date of Patent: July 31, 2018
    Assignee: EBARA CORPORATION
    Inventors: Toru Maruyama, Hisanori Matsuo, Yasuyuki Motoshima
  • Patent number: 9969046
    Abstract: A polishing apparatus polishes a surface of a substrate by pressing the substrate against a polishing pad on a polishing table. The polishing apparatus is configured to control a temperature of the polishing surface of the polishing pad by blowing a gas on the polishing pad during polishing. The polishing apparatus includes a pad temperature control mechanism having at least one gas ejection nozzle for ejecting a gas toward the polishing pad and configured to blow the gas onto the polishing pad to control a temperature of the polishing pad, and an atomizer having at least one nozzle for ejecting a liquid or a mixed fluid of a gas and a liquid and configured to blow the liquid or the mixed fluid onto the polishing pad to remove foreign matters on the polishing pad. The pad temperature control mechanism and the atomizer are formed into an integral unit.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: May 15, 2018
    Assignee: EBARA CORPORATION
    Inventors: Yasuyuki Motoshima, Toru Maruyama, Hisanori Matsuo
  • Publication number: 20180116995
    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: December 22, 2017
    Publication date: May 3, 2018
    Applicant: ONO PHARMACEUTICAL CO., LTD.
    Inventors: Tohru KAMBE, Toru MARUYAMA, Shinsaku YAMANE, Satoshi NAKAYAMA, Kousuke TANI
  • Patent number: 9922852
    Abstract: The invention simplifies airbag calibration. A pressure calibration jig calibrates pressure to be applied to a plurality of airbags disposed inside a top ring for holding and pressing a wafer against a polishing pad. The pressure calibration jig includes a plurality of first passages capable of communicating with the plurality of airbags, respectively; a second passage which combines and connects the plurality of first passages to a pressure calibration sensor; and a flow control portion configured to allow a fluid to flow through the first passage of the plurality of first passages, which first passage corresponds to an airbag selected for pressure calibration, in a direction from the selected airbag toward the second passage, and also configured to prevent the fluid from flowing through the first passages other than the first passage corresponding to the selected airbag in a direction from the second passage toward the airbags.
    Type: Grant
    Filed: April 6, 2015
    Date of Patent: March 20, 2018
    Assignee: EBARA CORPORATION
    Inventors: Suguru Sakugawa, Nobuyuki Takahashi, Toru Maruyama
  • Patent number: 9889114
    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: June 13, 2016
    Date of Patent: February 13, 2018
    Assignee: ONO PHARMACEUTICAL CO., LTD.
    Inventors: Tohru Kambe, Toru Maruyama, Shinsaku Yamane, Satoshi Nakayama, Kousuke Tani