Patents by Inventor Youichi Sasaki

Youichi Sasaki 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: 11949118
    Abstract: A battery includes a battery element, a housing body, and a valve device. The housing body houses the battery element. The valve device is in communication with the inside of the housing body. Heat-sealable resin layers face each other in a peripheral edge portion of the housing body. A joined edge portion in which the mutually facing heat-sealable resin layers are fused together is formed in the peripheral edge portion of the housing body. The valve device is configured to reduce an internal pressure of the housing body if the internal pressure is increased due to gas generated in the housing body. The valve device includes a first portion that is located on an outer side of an edge of the joined edge portion and a second portion that is sandwiched between the heat-sealable resin layers in the joined edge portion.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: April 2, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Youichi Mochizuki, Atsuko Takahagi, Rikiya Yamashita, Miho Sasaki
  • Patent number: 11949120
    Abstract: A battery includes a battery element, a housing body, and a valve device. The housing body is constituted by at least one laminate including at least a base material layer, a barrier layer, and a heat-sealable resin layer layered in that order and houses the battery element. The valve device is in communication with the inside of the housing body. A joined edge portion in which the mutually facing heat-sealable resin layers are fused together is formed in a peripheral edge portion of the housing body. The valve device includes a first portion and a second portion. A valve mechanism configured to reduce the internal pressure of the housing body if the internal pressure is increased due to gas generated in the housing body is formed in the first portion. An air passage configured to guide gas generated in the housing body toward the valve mechanism is formed in the second portion. The first portion is located on an outer side of an edge of the joined edge portion.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: April 2, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Youichi Mochizuki, Atsuko Takahagi, Rikiya Yamashita, Miho Sasaki
  • Publication number: 20180109065
    Abstract: An amplifier may include a chamber, and first and second mirrors. The chamber may include a pair of discharge electrodes opposed to each other in a first direction, a laser exciting medium, an input window allowing seed light to pass therethrough into the chamber, and an output window allowing amplified laser light to pass therethrough to outside in a second direction intersecting with the first direction. The first and second mirrors may each include a reflection region, and be opposed to each other in a third direction intersecting with the first direction with the pair of discharge electrodes in between. A projected image of the reflection region of the first mirror in the second direction and a projected image of the reflection region of the second mirror in the second direction may provide a gap of a size equal to or greater than zero in between.
    Type: Application
    Filed: December 7, 2017
    Publication date: April 19, 2018
    Applicant: GIGAPHOTON INC.
    Inventors: Youichi SASAKI, Shinji ITO, Hironori IGARASHI
  • Patent number: 8710472
    Abstract: A target output device may include: a main body for storing a target material; a nozzle unit, connected to the main body, for outputting the target material as a target; an electrode unit provided so as to face the nozzle unit; a voltage control unit that applies predetermined voltage between the electrode unit and the target material to generate electrostatic force therebetween for pulling out the target material through the nozzle unit; a pressure control unit that applies predetermined pressure to the target material; and an output control unit that causes the target to be outputted through the nozzle unit by controlling signal output timing of each of a first timing signal and a second timing signal, the first timing signal causing the voltage control unit to apply the predetermined voltage between the target material and the electrode unit at first timing, and the second timing signal causing the pressure control unit to apply the predetermined pressure to the target material at second timing.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: April 29, 2014
    Assignee: Gigaphoton Inc.
    Inventors: Takanobu Ishihara, Youichi Sasaki, Kouji Kakizaki, Masahiro Inoue, Takayuki Yabu, Hideo Hoshino
  • Patent number: 8604453
    Abstract: An extreme ultraviolet light source apparatus, which is to generate an extreme ultraviolet light by irradiating a target with a main pulse laser light after irradiating the target with a prepulse laser light, the extreme ultraviolet light source apparatus comprises: a prepulse laser light source generating a pre-plasma by irradiating the target with the prepulse laser light while a part of the target remains, the pre-plasma being generated at a different region from a target region, the different region being located on an incident side of the prepulse laser light; and a main pulse laser light source generating the extreme ultraviolet light by irradiating the pre-plasma with the main pulse laser light.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: December 10, 2013
    Assignee: Gigaphoton Inc.
    Inventors: Akira Endo, Yoshifumi Ueno, Youichi Sasaki, Osamu Wakabayashi
  • Publication number: 20130256568
    Abstract: An extreme ultraviolet light source apparatus, which is to generate an extreme ultraviolet light by irradiating a target with a main pulse laser light after irradiating the target with a prepulse laser light, the extreme ultraviolet light source apparatus comprises: a prepulse laser light source generating a pre-plasma by irradiating the target with the prepulse laser light while a part of the target remains, the pre-plasma being generated at a different region from a target region, the different region being located on an incident side of the prepulse laser light; and a main pulse laser light source generating the extreme ultraviolet light by irradiating the pre-plasma with the main pulse laser light.
    Type: Application
    Filed: May 29, 2013
    Publication date: October 3, 2013
    Applicant: GIGAPHOTON INC.
    Inventors: Akira ENDO, Yoshifumi UENO, Youichi SASAKI, Osamu WAKABAYASHI
  • Patent number: 8455850
    Abstract: An extreme ultraviolet light source apparatus, which is to generate an extreme ultraviolet light by irradiating a target with a main pulse laser light after irradiating the target with a prepulse laser light, the extreme ultraviolet light source apparatus comprises: a prepulse laser light source generating a pre-plasma by irradiating the target with the prepulse laser light while a part of the target remains, the pre-plasma being generated at a different region from a target region, the different region being located on an incident side of the prepulse laser light; and a main pulse laser light source generating the extreme ultraviolet light by irradiating the pre-plasma with the main pulse laser light.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: June 4, 2013
    Assignee: Gigaphoton Inc.
    Inventors: Akira Endo, Yoshifumi Ueno, Youichi Sasaki, Osamu Wakabayashi
  • Publication number: 20130134326
    Abstract: A target collection device may include a collection container having an opening through which a target material is collected into the collection container, and a temperature adjuster configured to adjust a temperature of the collection container to a temperature that is equal to or higher than a melting point of the target material. The target collection device may be part of an extreme ultraviolet light generation apparatus. Methods of target collection are also provided.
    Type: Application
    Filed: August 27, 2012
    Publication date: May 30, 2013
    Inventors: Takayuki Yabu, Youichi Sasaki, Yulaka Shiraishi, Shinji Nagai, Osamu Wakabayashi
  • Publication number: 20120161040
    Abstract: An extreme ultraviolet light source apparatus, which is to generate an extreme ultraviolet light by irradiating a target with a main pulse laser light after irradiating the target with a prepulse laser light, the extreme ultraviolet light source apparatus comprises: a prepulse laser light source generating a pre-plasma by irradiating the target with the prepulse laser light while a part of the target remains, the pre-plasma being generated at a different region from a target region, the different region being located on an incident side of the prepulse laser light; and a main pulse laser light source generating the extreme ultraviolet light by irradiating the pre-plasma with the main pulse laser light.
    Type: Application
    Filed: March 9, 2012
    Publication date: June 28, 2012
    Applicant: Gigaphoton Inc.
    Inventors: Akira Endo, Yoshifumi Ueno, Youichi Sasaki, Osamu Wakabayashi
  • Patent number: 8164076
    Abstract: An extreme ultraviolet light source apparatus, which is to generate an extreme ultraviolet light by irradiating a target with a main pulse laser light after irradiating the target with a prepulse laser light, the extreme ultraviolet light source apparatus comprises: a prepulse laser light source generating a pre-plasma by irradiating the target with the prepulse laser light while a part of the target remains, the pre-plasma being generated at a different region from a target region, the different region being located on an incident side of the prepulse laser light; and a main pulse laser light source generating the extreme ultraviolet light by irradiating the pre-plasma with the main pulse laser light.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: April 24, 2012
    Assignee: Gigaphoton Inc.
    Inventors: Akira Endo, Yoshifumi Ueno, Youichi Sasaki, Osamu Wakabayashi
  • Publication number: 20120085922
    Abstract: A chamber apparatus is used in combination with a laser apparatus. The chamber apparatus includes a chamber with an inlet. The inlet is configured for introducing a laser beam into the chamber. A target supply unit is provided to the chamber to supply a target material into the chamber. The target supply unit may electrically be isolated from the chamber. A potential control unit is connected to at least the target supply unit, and configured to control the supply of the target material.
    Type: Application
    Filed: October 5, 2011
    Publication date: April 12, 2012
    Inventors: Takayuki YABU, Youichi Sasaki, Kouji Kakizaki, Osamu Wakabayashi
  • Publication number: 20110284774
    Abstract: A target output device may include: a main body for storing a target material; a nozzle unit, connected to the main body, for outputting the target material as a target; an electrode unit provided so as to face the nozzle unit; a voltage control unit that applies predetermined voltage between the electrode unit and the target material to generate electrostatic force therebetween for pulling out the target material through the nozzle unit; a pressure control unit that applies predetermined pressure to the target material; and an output control unit that causes the target to be outputted through the nozzle unit by controlling signal output timing of each of a first timing signal and a second timing signal, the first timing signal causing the voltage control unit to apply the predetermined voltage between the target material and the electrode unit at first timing, and the second timing signal causing the pressure control unit to apply the predetermined pressure to the target material at second timing.
    Type: Application
    Filed: July 28, 2011
    Publication date: November 24, 2011
    Applicant: GIGAPHOTON INC.
    Inventors: Takanobu ISHIHARA, Youichi Sasaki, Kouji Kakizaki, Masahiro Inoue, Takayuki Yabu, Hideo Hoshino
  • Publication number: 20100090133
    Abstract: An extreme ultraviolet light source apparatus, which is to generate an extreme ultraviolet light by irradiating a target with a main pulse laser light after irradiating the target with a prepulse laser light, the extreme ultraviolet light source apparatus comprises: a prepulse laser light source generating a pre-plasma by irradiating the target with the prepulse laser light while a part of the target remains, the pre-plasma being generated at a different region from a target region, the different region being located on an incident side of the prepulse laser light; and a main pulse laser light source generating the extreme ultraviolet light by irradiating the pre-plasma with the main pulse laser light.
    Type: Application
    Filed: September 29, 2009
    Publication date: April 15, 2010
    Inventors: Akira ENDO, Yoshifumi Ueno, Youichi Sasaki, Osamu Wakabayashi
  • Patent number: 7582970
    Abstract: A semiconductor device includes an interlayer insulating film formed on or over a semiconductor substrate. An opening is formed in the interlayer insulating film and reaches a lower layer metal wiring conductor. A metal plug is formed by filling the opening with Cu containing metal via a barrier metal. The interlayer insulating film includes the insulating film which includes a carbon containing silicon oxide (SiOCH) film which has Si—CH2 bond in the carbon containing silicon oxide film. The proportion of Si—CH2 bond (1360 cm-1) to Si—CH3 bond (1270 cm-1) in the insulating film is in a range from 0.03 to 0.05 measured as a peak height ratio of FTIR spectrum.
    Type: Grant
    Filed: July 28, 2008
    Date of Patent: September 1, 2009
    Assignee: NEC Electronics Corporation
    Inventors: Sadayuki Ohnishi, Kouichi Owto, Tatsuya Usami, Noboru Morita, Kouji Arita, Ryouhei Kitao, Youichi Sasaki
  • Publication number: 20080290522
    Abstract: A semiconductor device includes an interlayer insulating film formed on or over a semiconductor substrate. An opening is formed in the interlayer insulating film and reaches a lower layer metal wiring conductor. A metal plug is formed by filling the opening with Cu containing metal via a barrier metal. The interlayer insulating film includes the insulating film which includes a carbon containing silicon oxide (SiOCH) film which has Si—CH2 bond in the carbon containing silicon oxide film. The proportion of Si—CH2 bond (1360 cm-1) to Si—CH3 bond (1270 cm-1) in the insulating film is in a range from 0.03 to 0.05 measured as a peak height ratio of FTIR spectrum.
    Type: Application
    Filed: July 28, 2008
    Publication date: November 27, 2008
    Applicant: NEC ELECTRONICS CORPORATION
    Inventors: Sadayuki Ohnishi, Kouichi Owto, Tatsuya Usami, Noboru Morita, Kouji Arita, Ryouhei Kitao, Youichi Sasaki
  • Patent number: 7420279
    Abstract: An insulating film used for an interlayer insulating film of a semiconductor device and having a low dielectric constant. The insulating film comprises a carbon containing silicon oxide (SiOCH) film which has Si—CH2 bond therein. The proportion of Si—CH2 bond (1360 cm?1) to Si—CH3 bond (1270 cm?1) in the insulating film is preferably in a range from 0.03 to 0.05 measured as a peak height ratio of FTIR spectrum. The insulating film according to the present invention has higher ashing tolerance and improved adhesion to SiO2 film, when compared with the conventional SiOCH film which only has CH3 group.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: September 2, 2008
    Assignee: NEC Electronics Corporation
    Inventors: Sadayuki Ohnishi, Kouichi Ohto, Tatsuya Usami, Noboru Morita, Kouji Arita, Ryouhei Kitao, Youichi Sasaki
  • Patent number: 7215695
    Abstract: For the purpose of providing a discharge excitation type pulse laser apparatus capable of reducing disturbance of the discharge space caused by shock waves, the discharge excitation type pulse laser apparatus according to the present invention is designed for generating a pulsed main discharge by applying a high voltage between main electrodes (14, 15) including a cathode (15) and an anode (14) arranged in opposition to each other, and thereby exciting a laser gas in a discharge space (37) defined between the main electrodes to oscillate laser light (21), and characterized in that no reflector larger than a prescribed size is provided on a surface within a prescribed surface distance (LC) from the discharge space (37), and an insulating cathode insulating member (54) that is inclined such that the cathode (15) side end is highest is arranged on at least one of the upstream and downstream sides of the cathode (15) in close contact with the cathode (15).
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: May 8, 2007
    Assignee: Gigaphoton
    Inventors: Kouji Kakizaki, Youichi Sasaki, Naoki Kataoka
  • Publication number: 20060255466
    Abstract: An insulating film used for an interlayer insulating film of a semiconductor device and having a low dielectric constant. The insulating film comprises a carbon containing silicon oxide (SiOCH) film which has Si—CH2 bond therein. The proportion of Si—CH2 bond (1360 cm?1) to Si—CH3 bond (1270 cm?1) in the insulating film is preferably in a range from 0.03 to 0.05 measured as a peak height ratio of FTIR spectrum. The insulating film according to the present invention has higher ashing tolerance and improved adhesion to SiO2 film, when compared with the conventional SiOCH film which only has CH3 group.
    Type: Application
    Filed: June 28, 2006
    Publication date: November 16, 2006
    Inventors: Sadayuki Ohnishi, Kouichi Ohto, Tatsuya Usami, Noboru Morita, Kouji Arita, Ryouhei Kitao, Youichi Sasaki
  • Patent number: 7102236
    Abstract: An insulating film used for an interlayer insulating film of a semiconductor device and having a low dielectric constant. The insulating film comprises a carbon containing silicon oxide (SiOCH) film which has Si—CH2 bond therein. The proportion of Si—CH2 bond (1360 cm?1) to Si—CH3 bond (1270 cm?1) in the insulating film is preferably in a range from 0.03 to 0.05 measured as a peak height ratio of FTIR spectrum. The insulating film according to the present invention has higher ashing tolerance and improved adhesion to SiO2 film, when compared with the conventional SiOCH film which only has CH3 group.
    Type: Grant
    Filed: January 29, 2004
    Date of Patent: September 5, 2006
    Assignee: NEC Electronics Corporation
    Inventors: Sadayuki Ohnishi, Kouichi Ohto, Tatsuya Usami, Noboru Morita, Kouji Arita, Ryouhei Kitao, Youichi Sasaki
  • Publication number: 20060078028
    Abstract: For the purpose of providing a discharge excitation type pulse laser apparatus capable of reducing disturbance of the discharge space caused by shock waves, the discharge excitation type pulse laser apparatus according to the present invention is designed for generating a pulsed main discharge by applying a high voltage between main electrodes (14, 15) including a cathode (15) and an anode (14) arranged in opposition to each other, and thereby exciting a laser gas in a discharge space (37) defined between the main electrodes to oscillate laser light (21), and characterized in that no reflector larger than a prescribed size is provided on a surface within a prescribed surface distance (LC) from the discharge space (37), and an insulating cathode insulating member (54) that is inclined such that the cathode (15) side end is highest is arranged on at least one of the upstream and downstream sides of the cathode (15) in close contact with the cathode (15).
    Type: Application
    Filed: October 13, 2004
    Publication date: April 13, 2006
    Applicant: GIGAPHOTON INC.
    Inventors: Kouji Kakizaki, Youichi Sasaki, Naoki Kataoka