Patents by Inventor Jun Yamawaku

Jun Yamawaku 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: 8253930
    Abstract: This absorption spectrometric apparatus for semiconductor production process includes a flow passageway switching mechanism connected to a discharging flow passageway of a processing chamber for a semiconductor production process and a multiple reflection type moisture concentration measuring absorption spectrometric analyzer that allows a laser beam from a laser light source to undergo multiple reflection within a cell, detects a light absorbancy change by a gas within the cell, and measures a moisture concentration within the gas. The flow passageway switching mechanism connects the discharging flow passageway by switching between a measuring flow passageway through which the gas is discharged by passing through the cell and a bypass flow passageway through which the gas is discharged without passing through the cell.
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: August 28, 2012
    Assignees: Shimadzu Corporation, Tokyo Electron Limited
    Inventors: Osamu Akiyama, Masashi Akimoto, Tsuyoshi Moriya, Jun Yamawaku
  • Publication number: 20120176692
    Abstract: There is provided a focus ring that is capable of preventing deposits from adhering to a member having a lower temperature in a gap between two members having different temperatures. A focus ring 25 is disposed to surround a peripheral portion of a wafer W in a chamber 11 of a substrate processing apparatus 10. The focus ring 25 includes an inner focus ring 25a and an outer focus ring 25b. Here, the inner focus ring 25a is placed adjacent to the wafer W and configured to be cooled; and the outer focus ring 25b is placed so as to surround the inner focus ring 25a and configured not to be cooled. Further, a block member 25c is provided in a gap between the inner focus ring 25a and the outer focus ring 25b.
    Type: Application
    Filed: January 6, 2012
    Publication date: July 12, 2012
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Jun Yamawaku, Chishio Koshimizu
  • Publication number: 20120175063
    Abstract: A substrate processing apparatus capable of removing deposits attached on a component of a lower temperature in a gap between two components, temperatures of which are greatly different from each other, without degrading a working ratio of the substrate processing apparatus. In the substrate processing apparatus, a chamber receives a wafer, a focus ring surrounds the wafer disposed in the chamber, a side surface protective member transmits a laser beam, a laser beam irradiating apparatus irradiates the laser beam to the side surface protective member, an inner focus ring of the focus ring is disposed adjacent to the wafer and is cooled down and an outer focus ring surrounds the inner focus ring and is not cooled down in a focus ring, and a facing surface of the side surface protective member faces a gap between the inner focus ring and the outer focus ring.
    Type: Application
    Filed: January 5, 2012
    Publication date: July 12, 2012
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Jun YAMAWAKU, Chishio KOSHIMIZU
  • Publication number: 20120084045
    Abstract: Provided is a temperature measuring method which can accurately measure a temperature of an object to be measured compared to a conventional method, even if a thin film is formed on the object.
    Type: Application
    Filed: September 29, 2011
    Publication date: April 5, 2012
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Chishio KOSHIMIZU, Jun YAMAWAKU, Tatsuo MATSUDO
  • Publication number: 20120073781
    Abstract: The temperature control system includes: a susceptor which allows an object to be processed to be held on a top surface thereof and includes a flow path, through which a temperature adjusting medium flows, formed therein; a temperature measuring unit which measures a temperature of the object to be processed held on the top surface of the susceptor; a first temperature adjusting unit which adjusts a temperature of the temperature adjusting medium flowing through the flow path; and a second temperature adjusting unit which is disposed between the susceptor and the first temperature adjusting unit, and adjusts a temperature of the temperature adjusting medium based on a result of the measurement of the temperature measuring unit.
    Type: Application
    Filed: September 22, 2011
    Publication date: March 29, 2012
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Jun YAMAWAKU, Chishio KOSHIMIZU, Tatsuo MATSUDO, Kenji NAGAI
  • Publication number: 20120062870
    Abstract: The physical state measuring apparatus includes: a light source; a transmitting unit which transmits a light from the light source to a measurement point of an object to be measured; a nonlinear optical device which changes a wavelength of the light reflected by the measurement point to a wavelength that is different from the wavelength before the changing; a light receiving unit which receives the light whose wavelength has been changed; and a measuring unit which measures a physical state of the object to be measured at the measurement point based on a waveform of the light received by the light receiving unit.
    Type: Application
    Filed: September 13, 2011
    Publication date: March 15, 2012
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Jun YAMAWAKU, Chishio KOSHIMIZU, Tatsuo MATSUDO, Kenji NAGAI
  • Publication number: 20120063486
    Abstract: The temperature measuring apparatus includes: a light source; a first wavelength-dividing unit which wavelength-divides a light from the light source into m lights whose wavelength bands are different from one another; m first dividing units which divides each of the m lights from the first wavelength-dividing unit into n lights; a transmitting unit which transmits lights from the m first dividing unit to measurement points of an object to be measured; a light receiving unit which receives a light reflected by each of the measurement points; and a temperature calculating unit which calculates a temperature of each of the measurement points based on a waveform of the light received by the light receiving unit.
    Type: Application
    Filed: September 13, 2011
    Publication date: March 15, 2012
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Jun YAMAWAKU, Chishio KOSHIMIZU, Tatsuo MATSUDO, Kenji NAGAI
  • Publication number: 20120031434
    Abstract: There is provided a substrate cleaning method capable of cleaning a substrate on which a fine pattern is being formed in a short time with a simple configuration without having a harmful influence on the fine pattern. In the method, the substrate is transferred from a processing chamber for performing a process on the surface of the substrate therein to a cleaning chamber for cleaning the substrate therein. The substrate is cooled to a temperature in the cleaning chamber. A superfluid is supplied to the surface of the substrate, and contaminant components in the fine pattern are flowed out along with the superfluid as the superfluid flows over from the surface of the substrate.
    Type: Application
    Filed: March 10, 2010
    Publication date: February 9, 2012
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Hidefumi Matsui, Tsuyoshi Moriya, Eiichi Nishimura, Shinichi Kawaguchi, Jun Yamawaku, Kunio Miyauchi
  • Patent number: 8052376
    Abstract: A turbo-molecular pump that enables reliable suppression of attachment of depositions onto component parts thereof. The turbo-molecular pump discharges a deposition-causing gas from a processing chamber. A rotor has a rotor shaft aligned with an exhaust stream. A cylindrical casing houses the rotor therein. A plurality of blade-form rotor blades projects from the rotor orthogonally with respect to the rotor shaft and are divided into a plurality of rotor blade groups. A plurality of blade-form stator blades projects orthogonally with respect to the rotor shaft from a rotor-facing surface and are divided into a plurality of stator blade groups. Gas supply ports are located on an upstream side of the rotor blade group that is located furthest downstream in the exhaust stream, and supply a deposition-suppressing gas which includes gas molecules having a large molecular weight.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: November 8, 2011
    Assignee: Tokyo Electron Limited
    Inventors: Jun Yamawaku, Tsuyoshi Moriya
  • Patent number: 8034720
    Abstract: A substrate processing method that can remove a silicon nitride film without damaging a thermally-oxidized film. A substrate having at least a thermally-oxidized film and a silicon nitride film formed on the thermally-oxidized film is heated to a temperature of not less than 60° C. Then, hydrogen fluoride gas is supplied toward the substrate.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: October 11, 2011
    Assignee: Tokyo Electron Limited
    Inventors: Eiichi Nishimura, Chie Kato, Jun Yamawaku
  • Publication number: 20110211817
    Abstract: There is provided a method for heating a part within a processing chamber of a semiconductor manufacturing apparatus having a substrate in the processing chamber and performing a process on the substrate. The heating method includes generating heating lights which is generated by a heating light source provided outside the processing chamber and has a wavelength band capable of passing through a first part in the processing chamber and being absorbed into a second part in the processing chamber made of a material different from that of the first part, and heating the second part in the processing chamber by passing the heating lights through the first part in the processing chamber and irradiating the heating lights to the second part in the processing chamber.
    Type: Application
    Filed: February 25, 2011
    Publication date: September 1, 2011
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Jun Yamawaku, Chishio Koshimizu, Tatsuo Matsudo
  • Publication number: 20110104902
    Abstract: A plasma processing apparatus includes a processing chamber including a dielectric window; a coil shaped RF antenna provided outside the dielectric window; a substrate supporting unit, provided in the processing chamber, for mounting thereon a target substrate to be processed; a processing gas supply unit for supplying a desired processing gas to the processing chamber to perform a desired plasma process on the target substrate; and an RF power supply unit for supplying an RF power to the RF antenna to generate a plasma of the processing gas by an inductive coupling in the processing chamber. The apparatus further includes a floating coil electrically floated and arranged at a position outside the processing chamber where the floating coil is to be coupled with the RF antenna by an electromagnetic induction; and a capacitor provided in a loop of the floating coil.
    Type: Application
    Filed: October 27, 2010
    Publication date: May 5, 2011
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Yohei Yamazawa, Chishio Koshimizu, Kazuki Denpoh, Jun Yamawaku, Masashi Saito
  • Publication number: 20110094996
    Abstract: A plasma processing apparatus includes a processing chamber including a dielectric window; a coil-shaped RF antenna, provided outside the dielectric window; a substrate supporting unit provided in the processing chamber; a processing gas supply unit; an RF power supply unit for supplying an RF power to the RF antenna to generate a plasma of the processing gas by an inductive coupling in the processing chamber, the RF power having an appropriate frequency for RF discharge of the processing gas; a correction coil, provided at a position outside the processing chamber where the correction coil is to be coupled with the RF antenna by an electromagnetic induction, for controlling a plasma density distribution on the substrate in the processing chamber; a switching device provided in a loop of the correction coil; and a switching control unit for on-off controlling the switching device at a desired duty ratio by pulse width modulation.
    Type: Application
    Filed: October 27, 2010
    Publication date: April 28, 2011
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Yohei YAMAZAWA, Chishio KOSHIMIZU, Masashi SAITO, Kazuki DENPOH, Jun YAMAWAKU
  • Publication number: 20110094682
    Abstract: A plasma processing apparatus includes a processing chamber, a part of which is formed of a dielectric window; a substrate supporting unit, provided in the processing chamber, for mounting a target substrate; a processing gas supply unit for supplying a processing gas to the processing chamber to perform a plasma process on the target substrate; an RF antenna, provided outside the dielectric window, for generating a plasma from the processing gas by an inductive coupling in the processing chamber; and an RF power supply unit for supplying an RF power to the RF antenna. The RF antenna includes a single-wound or multi-wound coil conductor having a cutout portion in a coil circling direction; and a pair of RF power lines from the RF power supply unit are respectively connected to a pair of coil end portions of the coil conductor that are opposite to each other via the cutout portion.
    Type: Application
    Filed: October 27, 2010
    Publication date: April 28, 2011
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Yohei Yamazawa, Kazuki Denpoh, Jun Yamawaku
  • Publication number: 20110094995
    Abstract: A plasma processing apparatus includes: a processing chamber including a dielectric window; a coil-shaped RF antenna, provided outside the dielectric window; a substrate supporting unit, provided in the chamber, for mounting thereon a target substrate; a processing gas supply unit for supplying a processing gas to the chamber; and an RF power supply unit for supplying an RF power to the RF antenna to generate a plasma of the processing gas by an inductive coupling in the chamber. The apparatus further includes a correction coil, provided at a position outside the chamber where the correction coil is to be coupled with the RF antenna by an electromagnetic induction, for controlling a plasma density distribution in the chamber; and an antenna-coil distance control unit for controlling a distance between the RF antenna and the correction coil while supporting the correction coil substantially in parallel with the RF antenna.
    Type: Application
    Filed: October 27, 2010
    Publication date: April 28, 2011
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Yohei Yamazawa, Chishio Koshimizu, Masashi Saito, Kazuki Denpoh, Jun Yamawaku, Hachishiro Iizuka
  • Publication number: 20110094997
    Abstract: A plasma processing apparatus includes: an evacuable processing chamber including a dielectric window; a substrate supporting unit, provided in the processing chamber, for mounting thereon a target substrate; a processing gas supply unit for supplying a desired processing gas to the processing chamber to perform a plasma process on the target substrate; a first RF antenna, provided on the dielectric window, for generating a plasma by an inductive coupling in the processing chamber; and a first RF power supply unit for supplying an RF power to the first RF antenna. The first RF antenna includes a primary coil provided on or above the dielectric window and electrically connected to the first RF power supply unit; and a secondary coil provided such that the coils are coupled with each other by an electromagnetic induction therebetween while being arranged closer to a bottom surface of the dielectric window than the primary coil.
    Type: Application
    Filed: October 27, 2010
    Publication date: April 28, 2011
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Yohei Yamazawa, Masashi Saito, Kazuki Denpoh, Chishio Koshimizu, Jun Yamawaku
  • Publication number: 20100243620
    Abstract: A plasma processing apparatus performs plasma processing on a processing target in a processing chamber. The apparatus includes: an object to be heated provided near a periphery of a mounting table disposed in the processing chamber; and a heating electrode disposed adjacent to the periphery of the mounting table, for heating the object to be heated. A first coil having a first path and a second coil having a second path are wired close to each other in the heating electrode along the periphery of the mounting table.
    Type: Application
    Filed: March 26, 2010
    Publication date: September 30, 2010
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Jun Yamawaku, Chishio Koshimizu
  • Publication number: 20100236406
    Abstract: A substrate processing apparatus includes a processing chamber for accommodating therein a processing target substrate; a gas exhaust path through which a gas inside the processing chamber is exhausted; one or more exhaust pumps provided in the gas exhaust path; and a scrubber for collecting harmful components from an exhaust gas. The apparatus further includes an ionized gas supply unit for supplying to the gas exhaust path an ionized gas for neutralizing charged particles included in the exhaust gas flowing therethrough.
    Type: Application
    Filed: March 18, 2010
    Publication date: September 23, 2010
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Jun Yamawaku, Junji Oikawa, Hiroyuki Nakayama
  • Publication number: 20100238446
    Abstract: A gas flow cell for an optical gas-analysis system encompasses a T-shaped configuration, the configuration is implemented by a single sample-gas introduction port provided at a location of a substantial center in a long axis direction, and the single sample-gas introduction port is aligned along a direction orthogonal to the long axis direction.
    Type: Application
    Filed: March 15, 2010
    Publication date: September 23, 2010
    Applicants: SHIMADZU CORPORATION, TOKYO ELECTRON LIMITED
    Inventors: Osamu AKIYAMA, Tsuyoshi MORIYA, Jun YAMAWAKU
  • Publication number: 20100236405
    Abstract: A substrate transfer device includes an atmosphere introduction unit and an atmosphere exhaust unit provided at a top and a bottom portion of a main body of the device, respectively; and a substrate transfer mechanism provided between the atmosphere introduction unit and the atmosphere exhaust unit. The substrate transfer device further includes a downward flow forming unit provided, adjacent to the atmosphere introduction unit, to allow an atmosphere to be introduced through the atmosphere introduction unit and to downwardly flow through the substrate transfer mechanism and be exhausted through the atmosphere exhaust unit; and a gas ionizing unit for ionizing the atmosphere and a particle collecting unit for collecting particles included in the atmosphere, the gas ionizing unit and the particle collecting unit being sequentially provided in the direction in which the atmosphere downwardly flows, between the downward flow forming unit and the substrate transfer mechanism.
    Type: Application
    Filed: March 18, 2010
    Publication date: September 23, 2010
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Jun Yamawaku, Junji Oikawa, Hiroyuki Nakayama