Patents by Inventor Susumu Kenmochi

Susumu Kenmochi 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: 8354728
    Abstract: A semiconductor device including: a semiconductor layer; a gate insulating layer; a gate electrode; a channel region; a source region and a drain region; a guard ring region; an offset insulating layer; a first interlayer dielectric; a first shield layer formed above the first interlayer dielectric and the guard ring region and electrically connected to the guard ring region; a second interlayer dielectric; and a second shield layer formed above the second interlayer dielectric, wherein the first shield layer is provided outside of both ends of the gate electrode in a channel width direction when viewed from the top side; and wherein the second shield layer is provided in at least part of a first region and/or at least part of a second region, the first region being a region between one edge of the gate electrode and an edge of the first shield layer opposite to the edge of the gate electrode in the channel width direction when viewed from the top side, and the second region being a region between the other e
    Type: Grant
    Filed: July 15, 2010
    Date of Patent: January 15, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Masahiro Hayashi, Takahisa Akiba, Kunio Watanabe, Tomo Takaso, Susumu Kenmochi
  • Patent number: 7906821
    Abstract: A semiconductor device including: a semiconductor layer; a gate insulating layer; a gate electrode; a channel region; a source region and a drain region; a guard ring region; an offset insulating layer; a first interlayer dielectric; a first shield layer formed above the first interlayer dielectric and the guard ring region and electrically connected to the guard ring region; a second interlayer dielectric; and a second shield layer formed above the second interlayer dielectric, wherein the first shield layer is provided outside of both ends of the gate electrode in a channel width direction when viewed from the top side; and wherein the second shield layer is provided in at least part of a first region and/or at least part of a second region, the first region being a region between one edge of the gate electrode and an edge of the first shield layer opposite to the edge of the gate electrode in the channel width direction when viewed from the top side, and the second region being a region between the other e
    Type: Grant
    Filed: May 29, 2008
    Date of Patent: March 15, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Masahiro Hayashi, Takahisa Akiba, Kunio Watanabe, Tomo Takaso, Susumu Kenmochi
  • Publication number: 20100276762
    Abstract: A semiconductor device including: a semiconductor layer; a gate insulating layer; a gate electrode; a channel region; a source region and a drain region; a guard ring region; an offset insulating layer; a first interlayer dielectric; a first shield layer formed above the first interlayer dielectric and the guard ring region and electrically connected to the guard ring region; a second interlayer dielectric; and a second shield layer formed above the second interlayer dielectric, wherein the first shield layer is provided outside of both ends of the gate electrode in a channel width direction when viewed from the top side; and wherein the second shield layer is provided in at least part of a first region and/or at least part of a second region, the first region being a region between one edge of the gate electrode and an edge of the first shield layer opposite to the edge of the gate electrode in the channel width direction when viewed from the top side, and the second region being a region between the other e
    Type: Application
    Filed: July 15, 2010
    Publication date: November 4, 2010
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Masahiro HAYASHI, Takahisa AKIBA, Kunio WATANABE, Tomo TAKASO, Susumu KENMOCHI
  • Publication number: 20080237747
    Abstract: A semiconductor device including: a semiconductor layer; a gate insulating layer; a gate electrode; a channel region; a source region and a drain region; a guard ring region; an offset insulating layer; a first interlayer dielectric; a first shield layer formed above the first interlayer dielectric and the guard ring region and electrically connected to the guard ring region; a second interlayer dielectric; and a second shield layer formed above the second interlayer dielectric, wherein the first shield layer is provided outside of both ends of the gate electrode in a channel width direction when viewed from the top side; and wherein the second shield layer is provided in at least part of a first region and/or at least part of a second region, the first region being a region between one edge of the gate electrode and an edge of the first shield layer opposite to the edge of the gate electrode in the channel width direction when viewed from the top side, and the second region being a region between the other e
    Type: Application
    Filed: May 29, 2008
    Publication date: October 2, 2008
    Applicant: Seiko Epson Corporation
    Inventors: Masahiro HAYASHI, Takahisa AKIBA, Kunio WATANABE, Tomo TAKASO, Susumu KENMOCHI
  • Patent number: 7394137
    Abstract: A semiconductor device including: a semiconductor layer; a gate insulating layer; a gate electrode; a channel region; a source region and a drain region; a guard ring region; an offset insulating layer; a first interlayer dielectric; a first shield layer formed above the first interlayer dielectric and the guard ring region and electrically connected to the guard ring region; a second interlayer dielectric; and a second shield layer formed above the second interlayer dielectric, wherein the first shield layer is provided outside of both ends of the gate electrode in a channel width direction when viewed from the top side; and wherein the second shield layer is provided in at least part of a first region and/or at least part of a second region, the first region being a region between one edge of the gate electrode and an edge of the first shield layer opposite to the edge of the gate electrode in the channel width direction when viewed from the top side, and the second region being a region between the other e
    Type: Grant
    Filed: September 11, 2006
    Date of Patent: July 1, 2008
    Assignee: Seiko Epson Corporation
    Inventors: Masahiro Hayashi, Takahisa Akiba, Kunio Watanabe, Tomo Takaso, Susumu Kenmochi
  • Publication number: 20070096250
    Abstract: A semiconductor device including: a semiconductor layer; a transistor formed in the semiconductor layer; a first interlayer dielectric formed above the semiconductor layer; a plurality of first interconnect layers formed above the first interlayer dielectric; a second interlayer dielectric formed over the first interlayer dielectric and the first interconnect layers; a plurality of second interconnect layers and an electrode pad which are formed above the second interlayer dielectric, the second interconnect layers being uppermost interconnects; a passivation layer formed over the second interlayer dielectric, the second interconnect layers, and the electrode pad; and an opening formed in the passivation layer to expose at least part of the electrode pad, a minimum distance between the second interconnect layers being greater than a minimum distance between the first interconnect layers.
    Type: Application
    Filed: September 28, 2006
    Publication date: May 3, 2007
    Inventors: Kunio Watanabe, Tomo Takaso, Masahiro Hayashi, Takahisa Akiba, Susumu Kenmochi
  • Publication number: 20070096246
    Abstract: A semiconductor device including: a semiconductor layer; a gate insulating layer formed above the semiconductor layer; a gate electrode formed above the gate insulating layer; a channel region formed in the semiconductor layer; a source region and a drain region formed in the semiconductor layer; and an offset insulating layer formed in the semiconductor layer and at least between the channel region and the source region and between the channel region and the drain region, a ratio of a length in a depth direction and a length in a channel length direction of the offset insulating layer being one or less.
    Type: Application
    Filed: October 18, 2006
    Publication date: May 3, 2007
    Inventors: Takahisa Akiba, Kunio Watanabe, Masahiro Hayashi, Tomo Takaso, Susumu Kenmochi
  • Publication number: 20070057280
    Abstract: A semiconductor device including: a semiconductor layer; a gate insulating layer; a gate electrode; a channel region; a source region and a drain region; a guard ring region; an offset insulating layer; a first interlayer dielectric; a first shield layer formed above the first interlayer dielectric and the guard ring region and electrically connected to the guard ring region; a second interlayer dielectric; and a second shield layer formed above the second interlayer dielectric, wherein the first shield layer is provided outside of both ends of the gate electrode in a channel width direction when viewed from the top side; and wherein the second shield layer is provided in at least part of a first region and/or at least part of a second region, the first region being a region between one edge of the gate electrode and an edge of the first shield layer opposite to the edge of the gate electrode in the channel width direction when viewed from the top side, and the second region being a region between the other e
    Type: Application
    Filed: September 11, 2006
    Publication date: March 15, 2007
    Inventors: Masahiro Hayashi, Takahisa Akiba, Kunio Watanabe, Tomo Takaso, Susumu Kenmochi