Patents by Inventor Masahiro Moniwa

Masahiro Moniwa 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: 7829952
    Abstract: A memory cell of an SRAM has two drive MISFETs and two vertical MISFETs. The p channel vertical MISFETs are formed above the n channel drive MISFETs. The vertical MISFETs respectively mainly include a laminate formed of a lower semiconductor layer, intermediate semiconductor layer and upper semiconductor layer laminated in this sequence, a gate insulating film of silicon oxide formed on the surface of the side wall of the laminate, and a gate electrode formed so as to cover the side wall of the laminate. The vertical MISFETs are perfect depletion type MISFETs.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: November 9, 2010
    Assignee: Renesas Electronics Corporation
    Inventors: Masahiro Moniwa, Hiraku Chakihara, Kousuke Okuyama, Yasuhiko Takahashi
  • Publication number: 20100193764
    Abstract: A semiconductor device and a method of manufacturing the same with easy formation of a phase change film is realized, realizing high integration at the time of using a phase change film as a memory element. Between MISFET of the region which forms one memory cell, and MISFET which adjoined it, each source of MISFET adjoins in the front surface of a semiconductor substrate, insulating. And the multi-layer structure of a phase change film, and the electric conduction film of specific resistance lower than the specific resistance is formed in the plan view of the front surface of a semiconductor substrate ranging over each source of both MISFET, and a plug and a plug stacked on it. The multi-layer structure functions as a wiring extending and existing in parallel on the surface of a semiconductor substrate, and an electric conduction film sends the current of a parallel direction on the surface of a semiconductor substrate.
    Type: Application
    Filed: April 5, 2010
    Publication date: August 5, 2010
    Applicant: Renesas Technology Corp.
    Inventors: Masahiro MONIWA, Nozomu Matsuzaki, Riichiro Takemura
  • Publication number: 20100136778
    Abstract: Vertical MISFETs are formed over drive MISFETs and transfer MISFETs. The vertical MISFETs comprise rectangular pillar laminated bodies each formed by laminating a lower semiconductor layer (drain), an intermediate semiconductor layer, and an upper semiconductor layer (source), and gate electrodes formed on corresponding side walls of the laminated bodies with gate insulating films interposed therebetween. In each vertical MISFET, the lower semiconductor layer constitutes a drain, the intermediate semiconductor layer constitutes a substrate (channel region), and the upper semiconductor layer constitutes a source. The lower semiconductor layer, the intermediate semiconductor layer and the upper semiconductor layer are each comprised of a silicon film. The lower semiconductor layer and the upper semiconductor layer are doped with a p type and constituted of a p type silicon film.
    Type: Application
    Filed: February 4, 2010
    Publication date: June 3, 2010
    Inventors: Hiraku Chakihara, Kousuke Okuyama, Masahiro Moniwa, Makoto Mizuno, Keiji Okamoto, Mitsuhiro Noguchi, Tadanori Yoshida, Yasuhiko Takahshi, Akio Nishida
  • Patent number: 7714314
    Abstract: A semiconductor device and a method of manufacturing the same with easy formation of a phase change film is realized, realizing high integration at the time of using a phase change film as a memory element. Between MISFET of the region which forms one memory cell, and MISFET which adjoined it, each source of MISFET adjoins in the front surface of a semiconductor substrate, insulating. And the multi-layer structure of a phase change film, and the electric conduction film of specific resistance lower than the specific resistance is formed in the plan view of the front surface of a semiconductor substrate ranging over each source of both MISFET, and a plug and a plug stacked on it. The multi-layer structure functions as a wiring extending and existing in parallel on the surface of a semiconductor substrate, and an electric conduction film sends the current of a parallel direction on the surface of a semiconductor substrate.
    Type: Grant
    Filed: July 10, 2007
    Date of Patent: May 11, 2010
    Assignee: Renesas Technology Corp.
    Inventors: Masahiro Moniwa, Nozomu Matsuzaki, Riichiro Takemura
  • Publication number: 20100096732
    Abstract: Interconnections are formed over an interlayer insulating film which covers MISFETQ1 formed on the principal surface of a semiconductor substrate, while dummy interconnections are disposed in a region spaced from such interconnections. Dummy interconnections are disposed also in a scribing area. Dummy interconnections are not formed at the peripheries of a bonding pad and a marker. In addition, a gate electrode of a MISFET and a dummy gate interconnection formed of the same layer are disposed. Furthermore, dummy regions are disposed in a shallow trench element-isolation region. After such dummy members are disposed, an insulating film is planarized by the CMP method.
    Type: Application
    Filed: December 30, 2009
    Publication date: April 22, 2010
    Inventors: Yasushi Koubuchi, Koichi Nagasawa, Masahiro Moniwa, Youhei Yamada, Toshifumi Takeda
  • Patent number: 7701020
    Abstract: Vertical MISFETs are formed over drive MISFETs and transfer MISFETs. The vertical MISFETs comprise rectangular pillar laminated bodies each formed by laminating a lower semiconductor layer (drain), an intermediate semiconductor layer, and an upper semiconductor layer (source), and gate electrodes formed on corresponding side walls of the laminated bodies with gate insulating films interposed therebetween. In each vertical MISFET, the lower semiconductor layer constitutes a drain, the intermediate semiconductor layer constitutes a substrate (channel region), and the upper semiconductor layer constitutes a source. The lower semiconductor layer, the intermediate semiconductor layer and the upper semiconductor layer are each comprised of a silicon film. The lower semiconductor layer and the upper semiconductor layer are doped with a p type and constituted of a p type silicon film.
    Type: Grant
    Filed: February 2, 2009
    Date of Patent: April 20, 2010
    Assignees: Renesas Technology Corp., Hitachi Ulsi Systems Co., Ltd.
    Inventors: Hiraku Chakihara, Kousuke Okuyama, Masahiro Moniwa, Makoto Mizuno, Keiji Okamoto, Mitsuhiro Noguchi, Tadanori Yoshida, Yasuhiko Takahshi, Akio Nishida
  • Patent number: 7678684
    Abstract: Interconnections are formed over an interlayer insulating film which covers MISFETQ1 formed on the principal surface of a semiconductor substrate, while dummy interconnections are disposed in a region spaced from such interconnections. Dummy interconnections are disposed also in a scribing area. Dummy interconnections are not formed at the peripheries of a bonding pad and a marker. In addition, a gate electrode of a MISFET and a dummy gate interconnection formed of the same layer are disposed. Furthermore, dummy regions are disposed in a shallow trench element-isolation region. After such dummy members are disposed, an insulating film is planarized by the CMP method.
    Type: Grant
    Filed: July 26, 2007
    Date of Patent: March 16, 2010
    Assignee: Renesas Technology Corp.
    Inventors: Yasushi Koubuchi, Koichi Nagasawa, Masahiro Moniwa, Youhei Yamada, Toshifumi Takeda
  • Patent number: 7626267
    Abstract: Interconnections are formed over an interlayer insulating film which covers MISFETQ1 formed on the principal surface of a semiconductor substrate, while dummy interconnections are disposed in a region spaced from such interconnections. Dummy interconnections are disposed also in a scribing area. Dummy interconnections are not formed at the peripheries of a bonding pad and a marker. In addition, a gate electrode of a MISFET and a dummy gate interconnection formed of the same layer are disposed. Furthermore, dummy regions are disposed in a shallow trench element-isolation region. After such dummy members are disposed, an insulating film is planarized by the CMP method.
    Type: Grant
    Filed: August 13, 2007
    Date of Patent: December 1, 2009
    Assignee: Renesas Technology Corporation
    Inventors: Yasushi Koubuchi, Koichi Nagasawa, Masahiro Moniwa, Youhei Yamada, Toshifumi Takeda
  • Publication number: 20090261390
    Abstract: A memory cell of an SRAM has two drive MISFETs and two vertical MISFETs. The p channel vertical MISFETs are formed above the n channel drive MISFETs. The vertical MISFETs respectively mainly include a laminate formed of a lower semiconductor layer, intermediate semiconductor layer and upper semiconductor layer laminated in this sequence, a gate insulating film of silicon oxide formed on the surface of the side wall of the laminate, and a gate electrode formed so as to cover the side wall of the laminate. The vertical MISFETs are perfect depletion type MISFETs.
    Type: Application
    Filed: June 25, 2009
    Publication date: October 22, 2009
    Inventors: Masahiro MONIWA, Hiraku CHAKIHARA, Kousuke OKUYAMA, Yasuhiko TAKAHASHI
  • Patent number: 7598133
    Abstract: A memory cell of an SRAM has two drive MISFETs and two vertical MISFETs. The p channel vertical MISFETs are formed above the n channel drive MISFETs. The vertical MISFETs respectively mainly comprise laminate formed of a lower semiconductor layer, intermediate semiconductor layer and upper semiconductor layer laminated in this sequence, a gate insulating film of silicon oxide formed on the surface of the side wall of the laminate, and a gate electrode formed so as to cover the side wall of the laminate. The vertical MISFETs are perfect depletion type MISFETs.
    Type: Grant
    Filed: March 7, 2007
    Date of Patent: October 6, 2009
    Assignee: Renesas Technology Corp
    Inventors: Masahiro Moniwa, Hiraku Chakihara, Kousuke Okuyama, Yasuhiko Takahashi
  • Patent number: 7554202
    Abstract: Interconnections are formed over an interlayer insulating film which covers MISFETQ1 formed on the principal surface of a semiconductor substrate, while dummy interconnections are disposed in a region spaced from such interconnections. Dummy interconnections are disposed also in a scribing area. Dummy interconnections are not formed at the peripheries of a bonding pad and a marker. In addition, a gate electrode of a MISFET and a dummy gate interconnection formed of the same layer are disposed. Furthermore, dummy regions are disposed in a shallow trench element-isolation region. After such dummy members are disposed, an insulating film is planarized by the CMP method.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: June 30, 2009
    Assignee: Renesas Technology Corp
    Inventors: Yasushi Koubuchi, Koichi Nagasawa, Masahiro Moniwa, Youhei Yamada, Toshifumi Takeda
  • Publication number: 20090140342
    Abstract: Vertical MISFETs are formed over drive MISFETs and transfer MISFETs. The vertical MISFETs comprise rectangular pillar laminated bodies each formed by laminating a lower semiconductor layer (drain), an intermediate semiconductor layer, and an upper semiconductor layer (source), and gate electrodes formed on corresponding side walls of the laminated bodies with gate insulating films interposed therebetween. In each vertical MISFET, the lower semiconductor layer constitutes a drain, the intermediate semiconductor layer constitutes a substrate (channel region), and the upper semiconductor layer constitutes a source. The lower semiconductor layer, the intermediate semiconductor layer and the upper semiconductor layer are each comprised of a silicon film. The lower semiconductor layer and the upper semiconductor layer are doped with a p type and constituted of a p type silicon film.
    Type: Application
    Filed: February 2, 2009
    Publication date: June 4, 2009
    Inventors: Hiraku CHAKIHARA, Kousuke Okuyama, Masahiro Moniwa, Makoto Mizuno, Keiji Okamoto, Mitsuhiro Noguchi, Tadanori Yoshida, Yasuhiko Takahshi, Akio Nishida
  • Publication number: 20090140234
    Abstract: Any of a plurality of contact plugs which reaches a diffusion layer serving as a drain layer of an MOS transistor has an end provided in contact with a lower surface of a thin insulating film provided selectively on an interlayer insulating film. A phase change film constituted by GST to be a chalcogenide compound based phase change material is provided on the thin insulating film, and an upper electrode is provided thereon. Any of the plurality of contact plugs which reaches the diffusion layer serving as a source layer has an end connected directly to an end of a contact plug penetrating an interlayer insulating film.
    Type: Application
    Filed: November 20, 2008
    Publication date: June 4, 2009
    Inventors: Masahiro Moniwa, Fumihiko Nitta, Masamichi Matsuoka, Satoshi Iida
  • Patent number: 7495289
    Abstract: Vertical MISFETs are formed over drive MISFETs and transfer MISFETs. The vertical MISFETs comprise rectangular pillar laminated bodies each formed by laminating a lower semiconductor layer (drain), an intermediate semiconductor layer, and an upper semiconductor layer (source), and gate electrodes formed on corresponding side walls of the laminated bodies with gate insulating films interposed therebetween. In each vertical MISFET, the lower semiconductor layer constitutes a drain, the intermediate semiconductor layer constitutes a substrate (channel region), and the upper semiconductor layer constitutes a source. The lower semiconductor layer, the intermediate semiconductor layer and the upper semiconductor layer are each comprised of a silicon film. The lower semiconductor layer and the upper semiconductor layer are doped with a p type and constituted of a p type silicon film.
    Type: Grant
    Filed: May 5, 2006
    Date of Patent: February 24, 2009
    Assignee: Renesas Technology Corp.
    Inventors: Hiraku Chakihara, Kousuke Okuyama, Masahiro Moniwa, Makoto Mizuno, Keiji Okamoto, Mitsuhiro Noguchi, Tadanori Yoshida, Yasuhiko Takahshi, Akio Nishida
  • Patent number: 7474003
    Abstract: Interconnections are formed over an interlayer insulating film which covers MISFETQ1 formed on the principal surface of a semiconductor substrate, while dummy interconnections are disposed in a region spaced from such interconnections. Dummy interconnections are disposed also in a scribing area. Dummy interconnections are not formed at the peripheries of a bonding pad and a marker. In addition, a gate electrode of a MISFET and a dummy gate interconnection formed of the same layer are disposed. Furthermore, dummy regions are disposed in a shallow trench element-isolation region. After such dummy members are disposed, an insulating film is planarized by the CMP method.
    Type: Grant
    Filed: May 23, 2007
    Date of Patent: January 6, 2009
    Assignee: Renesas Technology Corp.
    Inventors: Yasushi Koubuchi, Koichi Nagasawa, Masahiro Moniwa, Youhei Yamada, Toshifumi Takeda
  • Publication number: 20080173973
    Abstract: Interconnections are formed over an interlayer insulating film which covers MISFETQ1 formed on the principal surface of a semiconductor substrate, while dummy interconnections are disposed in a region spaced from such interconnections. Dummy interconnections are disposed also in a scribing area. Dummy interconnections are not formed at the peripheries of a bonding pad and a marker. In addition, a gate electrode of a MISFET and a dummy gate interconnection formed of the same layer are disposed. Furthermore, dummy regions are disposed in a shallow trench element-isolation region. After such dummy members are disposed, an insulating film is planarized by the CMP method.
    Type: Application
    Filed: August 13, 2007
    Publication date: July 24, 2008
    Inventors: Yasushi Koubuchi, Koichi Nagasawa, Masahiro Moniwa, Youhei Yamada, Toshifumi Takeda
  • Publication number: 20080036091
    Abstract: Interconnections are formed over an interlayer insulating film which covers MISFETQ1 formed on the principal surface of a semiconductor substrate, while dummy interconnections are disposed in a region spaced from such interconnections. Dummy interconnections are disposed also in a scribing area. Dummy interconnections are not formed at the peripheries of a bonding pad and a marker. In addition, a gate electrode of a MISFET and a dummy gate interconnection formed of the same layer are disposed. Furthermore, dummy regions are disposed in a shallow trench element-isolation region. After such dummy members are disposed, an insulating film is planarized by the CMP method.
    Type: Application
    Filed: July 26, 2007
    Publication date: February 14, 2008
    Inventors: Yasushi Koubuchi, Koichi Nagasawa, Masahiro Moniwa, Youhei Yamada, Toshifumi Takeda
  • Publication number: 20080017990
    Abstract: Interconnections are formed over an interlayer insulating film which covers MISFETQ1 formed on the principal surface of a semiconductor substrate, while dummy interconnections are disposed in a region spaced from such interconnections. Dummy interconnections are disposed also in a scribing area. Dummy interconnections are not formed at the peripheries of a bonding pad and a marker. In addition, a gate electrode of a MISFET and a dummy gate interconnection formed of the same layer are disposed. Furthermore, dummy regions are disposed in a shallow trench element-isolation region. After such dummy members are disposed, an insulating film is planarized by the CMP method.
    Type: Application
    Filed: July 27, 2007
    Publication date: January 24, 2008
    Inventors: Yasushi Koubuchi, Koichi Nagasawa, Masahiro Moniwa, Youhei Yamada, Toshifumi Takeda
  • Publication number: 20080011997
    Abstract: A semiconductor device and a method of manufacturing the same with easy formation of a phase change film is realized, realizing high integration at the time of using a phase change film as a memory element. Between MISFET of the region which forms one memory cell, and MISFET which adjoined it, each source of MISFET adjoins in the front surface of a semiconductor substrate, insulating. And the multi-layer structure of a phase change film, and the electric conduction film of specific resistance lower than the specific resistance is formed in the plan view of the front surface of a semiconductor substrate ranging over each source of both MISFET, and a plug and a plug stacked on it. The multi-layer structure functions as a wiring extending and existing in parallel on the surface of a semiconductor substrate, and an electric conduction film sends the current of a parallel direction on the surface of a semiconductor substrate.
    Type: Application
    Filed: July 10, 2007
    Publication date: January 17, 2008
    Applicant: Renesas Technology Corp.
    Inventors: Masahiro MONIWA, Nozomu Matsuzaki, Riichiro Takemura
  • Patent number: 7279754
    Abstract: A memory cell of a SRAM has two drive MISFETs and two vertical MISFETs. The p channel vertical MISFETs are formed above the n channel drive MISFETs. The vertical MISFETs respectively mainly consist of a square pole laminate formed of a lower semiconductor layer, intermediate semiconductor layer and upper semiconductor layer laminated in this sequence, a gate insulating film of silicon oxide formed on the surface of the side wall of the laminate, and a gate electrode formed so as to cover the side wall of the laminate. The vertical MISFETs are perfect depletion type MISFETs.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: October 9, 2007
    Assignee: Renesas Technology Corp.
    Inventors: Masahiro Moniwa, Hiraku Chakihara, Kousuke Okuyama, Yasuhiko Takahashi