Patents by Inventor Masayuki Nakanishi

Masayuki Nakanishi 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: 11963402
    Abstract: A display device includes a light-emitting element layer including a plurality of light-emitting elements. The light-emitting element layer includes, for each of the plurality of light-emitting elements, a first electrode and a plurality of openings exposing the first electrode, and includes an edge cover covering an end portion of the first electrode, a plurality of light-emitting layers covering each of the plurality of openings, and a second electrode that is common to the plurality of light-emitting elements and covers the plurality of light-emitting layers. The second electrode includes a metal nanowire. Furthermore, the light-emitting element layer includes an auxiliary wiring line provided in a lattice pattern in a position overlapping the edge cover, and the auxiliary wiring line and the metal nanowire are electrically connected to each other.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: April 16, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masayuki Kanehiro, Youhei Nakanishi, Takeshi Ishida
  • Publication number: 20240091899
    Abstract: A polishing apparatus which can efficiently polish an entirety of a back surface of a substrate, with the back surface facing downward, is disclosed. The polishing apparatus includes: a substrate holder configured to rotate the substrate; a polishing head configured to polish the back surface of the substrate; a tape advancing device; and a translational rotating mechanism configured to cause the polishing head to make a translational rotating motion. The substrate holder includes a plurality of rollers which are rotatable about their own axes. The plurality of rollers have substrate-holding surfaces capable of contacting a periphery of the substrate. The polishing head is disposed below the substrate-holding surfaces. The polishing head includes a polishing blade configured to press the polishing tape against the back surface of the substrate, and a pressing mechanism configured to push the polishing blade upward.
    Type: Application
    Filed: November 28, 2023
    Publication date: March 21, 2024
    Inventors: Kenichi KOBAYASHI, Masayuki NAKANISHI, Makoto KASHIWAGI, Manao HOSHINA
  • Patent number: 11865665
    Abstract: A polishing apparatus which can efficiently polish an entirety of a back surface of a substrate, with the back surface facing downward, is disclosed. The polishing apparatus includes: a substrate holder configured to rotate the substrate; a polishing head configured to polish the back surface of the substrate; a tape advancing device; and a translational rotating mechanism configured to cause the polishing head to make a translational rotating motion. The substrate holder includes a plurality of rollers which are rotatable about their own axes. The plurality of rollers have substrate-holding surfaces capable of contacting a periphery of the substrate. The polishing head is disposed below the substrate-holding surfaces. The polishing head includes a polishing blade configured to press the polishing tape against the back surface of the substrate, and a pressing mechanism configured to push the polishing blade upward.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: January 9, 2024
    Assignee: EBARA CORPORATION
    Inventors: Kenichi Kobayashi, Masayuki Nakanishi, Makoto Kashiwagi, Manao Hoshina
  • Publication number: 20230326757
    Abstract: The present application relates to a substrate processing method for suppressing cracking and chipping of a laminated substrate manufactured by bonding a plurality of substrates. Further, the present application relates to a substrate processing apparatus capable of performing such a substrate processing method. The present method includes: rotating a laminated substrate manufactured by bonding a first substrate and a second substrate; applying a filler, having thermosetting property, to a gap between a peripheral portion of the first substrate and a peripheral portion of the second substrate; and curing the filler. Applying the filler and curing the filler are continuously performed in a same processing chamber.
    Type: Application
    Filed: June 25, 2021
    Publication date: October 12, 2023
    Inventors: Masayuki SATAKE, Masayuki NAKANISHI, Michiyoshi YAMASHITA
  • Patent number: 11511386
    Abstract: A polishing apparatus capable of forming a step-shaped recess having a right-angled cross section in an edge portion of a substrate, such as a wafer, is disclosed. The polishing apparatus includes: a substrate rotating device configured to rotate the substrate about a rotation axis; a first roller having a first circumferential surface configured to press a polishing tape against the edge portion of the substrate; and a second roller having a second circumferential surface in contact with the first circumferential surface. The second roller has a tape stopper surface that restricts movement of the polishing tape in a direction away from the rotation axis. The tape stopper surface is located radially outward of the first circumferential surface.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: November 29, 2022
    Assignee: EBARA CORPORATION
    Inventors: Masaya Seki, Masayuki Nakanishi, Makoto Kashiwagi
  • Patent number: 11331766
    Abstract: One object is to improve the uniformity of polishing of a substrate. The present application discloses, as one embodiment, a substrate polishing device for a quadrilateral-shaped substrate, the device including: a surface plate; a substrate support mechanism that is attached to the surface plate and that supports the substrate; a polishing head mechanism for attaching a polishing pad, the polishing head mechanism opposing the surface plate; and an orbital drive mechanism for orbitally driving the polishing head mechanism. The substrate support mechanism includes: a base plate; a plate flow passage provided to the base plate; and a plurality of substrate support chambers that are connected to the plate flow passage, wherein each substrate support chamber independently applies a vertical direction force to the substrate, and the vertical direction force applied to the substrate corresponds to an internal pressure of the substrate support chamber.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: May 17, 2022
    Assignee: EBARA CORPORATION
    Inventors: Masayuki Nakanishi, Kenji Kodera
  • Patent number: 10926376
    Abstract: A method and an apparatus which can efficiently polish an entirety of a back surface, including an outermost area thereof, of a substrate while the back surface of the substrate faces downward are disclosed. The method includes rotating a substrate by rotating a plurality of rollers about their respective own axes while the rollers contact a periphery of the substrate with a back surface of the substrate facing downward; and polishing an entirety of the back surface of the substrate by moving a polishing tool relative to the substrate while supplying a liquid onto the back surface of the substrate and while placing the polishing tool in contact with the back surface of the substrate, the polishing tool being located at a lower side of the substrate.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: February 23, 2021
    Assignee: Ebara Corporation
    Inventors: Masayuki Nakanishi, Yu Ishii, Kenya Ito, Keisuke Uchiyama, Makoto Kashiwagi
  • Patent number: 10854473
    Abstract: A polishing method capable of polishing a substrate, such as a wafer, with low running costs is disclosed. A polishing method includes: rotating a substrate while holding a back-side surface of the substrate with a vacuum suction stage; rotating a polishing head holding a plurality of polishing tools; and polishing a front-side surface of the substrate by pressing the plurality of polishing tools, which are rotating, against the front-side surface of the substrate. The front-side surface is a surface on which interconnect patterns are to be formed.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: December 1, 2020
    Assignee: EBARA CORPORATION
    Inventors: Yu Ishii, Kenya Ito, Keisuke Uchiyama, Masayuki Nakanishi
  • Patent number: 10639727
    Abstract: A vacuum suction pad capable of making it more difficult to separate a substrate when the substrate is held by vacuum suction, the vacuum suction pad 8 including: a pad main body 37 having a lower surface adhered to a stage 5 of a substrate holder 2; and a plurality of circular arc-shaped substrate holding convexities 38, provided on a top surface of the pad main body 37, for holding a substrate W attracted by vacuum suction to the top surface of the pad main body 37, wherein the substrate holding convexities 38 are arranged concentrically with the circular pad main body 37, and width W1 in a radial direction of the substrate holding convexity 38 located on a radially outer side among the plurality of substrate holding convexities 38 is narrower than width W2 in the radial direction of the substrate holding convexity 38 on a radially inner side.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: May 5, 2020
    Assignee: EBARA CORPORATION
    Inventors: Satoru Yamamoto, Masayuki Nakanishi, Kenji Kodera
  • Patent number: 10632588
    Abstract: A polishing apparatus which can keep a width of a polishing tool constant when a peripheral portion of a substrate is polished by the polishing tool is disclosed. The polishing apparatus includes a substrate holder 3 configured to hold a substrate W and to rotate the substrate W, and a pressing pad 50 configured to press a polishing tool 23 against a peripheral portion of the substrate W held by the substrate holder 3. The pressing pad 50 includes an elastic member 55 having a pressing surface 55a configured to press the polishing tool 23 against the peripheral portion of the substrate W and a support member 56 configured to support the elastic member 55. The support member 56 has a recess 57 formed in a front surface 56a of the support member 56, the elastic member 55 being capable of entering the recess 57.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: April 28, 2020
    Assignee: EBARA CORPORATION
    Inventors: Masayuki Nakanishi, Kenji Kodera, Yasuyuki Miyasawa
  • Patent number: 10632587
    Abstract: To provide a polishing apparatus capable of polishing bevel portions of varying shape by selecting a suitable polishing recipe, based on a state before polishing. The polishing apparatus 100 comprises: a holding/polishing unit 102 for holding and polishing a workpiece W1; and an identifying unit 104 for identifying data 104a associated with a state of the peripheral portion of the substrate W1 before polishing. The holding/polishing unit 102 comprises: a holder 106 for holding and rotating the substrate W1; and a polisher 108 for polishing the peripheral portion of the substrate W1 by pressing a polishing member against the peripheral portion. A polishing-condition determiner 110 determines a polishing condition, based on data 104a indicating to which type, of a plurality of shape-related types, the shape of a given peripheral portion belongs.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: April 28, 2020
    Assignee: EBARA CORPORATION
    Inventors: Masayuki Nakanishi, Toshifumi Watanabe, Kenji Kodera
  • Patent number: 10543732
    Abstract: A vehicle air-conditioning unit has an air conditioning case and a case interior member. The air conditioning case defines a case passage in which air flows toward a vehicle compartment. The air conditioning case has a recess defining portion that is located in the case passage and defines a recessed portion. The case interior member has a guide portion and a cover. The guide portion guides the air flowing in the case passage. The cover is located in the recessed portion. The cover prevents the air, flowing in the case passage, from flowing into the recessed portion.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: January 28, 2020
    Assignee: DENSO CORPORATION
    Inventor: Masayuki Nakanishi
  • Publication number: 20200023490
    Abstract: A polishing apparatus capable of accurately detecting a polishing end point of a periphery of a substrate, such as a wafer, is disclosed. The polishing apparatus includes a polishing head configured to press a polishing tool against the periphery of the substrate on a substrate holding surface. The polishing head includes a pressing member configured to press the polishing tool against the periphery of the substrate, and a shear-force detection sensor configured to detect a shear force acting on the pressing member and output an index value indicating a magnitude of the shear force. An operation controller has a memory storing a program configured to determine a polishing end point at which the index value reaches a threshold value, and a processer configured to execute the program.
    Type: Application
    Filed: June 27, 2019
    Publication date: January 23, 2020
    Inventors: Masayuki Nakanishi, Kenji Kodera
  • Publication number: 20200023486
    Abstract: A polishing apparatus capable of forming a step-shaped recess having a right-angled cross section in an edge portion of a substrate, such as a wafer, is disclosed. The polishing apparatus includes: a substrate rotating device configured to rotate the substrate about a rotation axis; a first roller having a first circumferential surface configured to press a polishing tape against the edge portion of the substrate; and a second roller having a second circumferential surface in contact with the first circumferential surface. The second roller has a tape stopper surface that restricts movement of the polishing tape in a direction away from the rotation axis. The tape stopper surface is located radially outward of the first circumferential surface.
    Type: Application
    Filed: July 16, 2019
    Publication date: January 23, 2020
    Inventors: Masaya Seki, Masayuki Nakanishi, Makoto Kashiwagi
  • Publication number: 20190385834
    Abstract: A substrate processing method capable of preventing an adherence of a foreign matter to a substrate is disclosed. The substrate processing method comprises: a substrate rotating step of rotating a substrate W while holding the substrate W; a first-liquid upper supply step of supplying a first liquid onto an upper surface of the substrate W while rotating the substrate W; a polishing step of pressing a polishing tape 23 to the substrate W while supplying the first liquid in a state of rotating the substrate W; a second-liquid upper supply step of supplying a second liquid onto the upper surface of the substrate W while rotating the substrate W; and a cleaning step of pressing a cleaning tape 29 to the substrate W while supplying the second liquid in a state of rotating the substrate W and terminating after the polishing step is terminated. The second liquid is either of a conducting water, a surfactant solution, or ozone water.
    Type: Application
    Filed: June 5, 2019
    Publication date: December 19, 2019
    Inventors: Masayuki Nakanishi, Satoru Yamamoto, Kenji Kodera
  • Patent number: 10493588
    Abstract: The polishing apparatus has a polishing unit capable of polishing a peripheral portion of the substrate to form a right-angled cross section. The polishing apparatus includes: a substrate holder that holds and rotates the substrate; guide rollers that support a polishing tape; and a polishing head having a pressing member that presses an edge of the polishing tape against the peripheral portion of the substrate from above. The guide rollers are arranged such that the polishing tape extends parallel to a tangential direction of the substrate and a polishing surface of the polishing tape is parallel to a surface of the substrate. The substrate holder includes: a holding stage that holds the substrate; and a supporting stage that supports a lower surface of the peripheral portion of the substrate in its entirety. The supporting stage rotates in unison with the holding stage.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: December 3, 2019
    Assignee: EBARA CORPORATION
    Inventors: Masaya Seki, Tetsuji Togawa, Masayuki Nakanishi, Naoki Matsuda, Atsushi Yoshida
  • Patent number: 10376929
    Abstract: An apparatus which can polish an entirety of a surface of a substrate, such as a wafer, is disclosed. The apparatus includes a substrate holder configured to hold a substrate and rotate the substrate; and a polishing head configured to rub a polishing tool against a first surface of the substrate to polish the first surface. The substrate holder includes a plurality of rollers which can contact a periphery of the substrate. The plurality of rollers are rotatable about their respective own axes.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: August 13, 2019
    Assignee: EBARA CORPORATION
    Inventors: Yu Ishii, Masayuki Nakanishi, Keisuke Uchiyama
  • Patent number: D851141
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: June 11, 2019
    Assignee: EBARA CORPORATION
    Inventors: Kenji Kamimura, Masayuki Nakanishi, Satoru Yamamoto, Yasuyuki Miyasawa, Kenji Kodera
  • Patent number: D851142
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: June 11, 2019
    Assignee: EBARA CORPORATION
    Inventors: Kenji Kamimura, Masayuki Nakanishi, Satoru Yamamoto, Yasuyuki Miyasawa, Kenji Kodera
  • Patent number: D859331
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: September 10, 2019
    Assignee: EBARA CORPORATION
    Inventors: Satoru Yamamoto, Masayuki Nakanishi, Kenji Kodera