Patents by Inventor Shigeru Kanematsu

Shigeru Kanematsu 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: 11682720
    Abstract: [Overview] [Problem to be Solved] To provide a switching transistor and a semiconductor module having lower distortion generated in a signal. [Solution] A switching transistor including: a channel layer including a compound semiconductor and having sheet electron density equal to or higher than 1.7×1013 cm?2; a barrier layer formed on the channel layer by using a compound semiconductor that is of a different type from the channel layer; a gate electrode provided on the barrier layer; and a source electrode and a drain electrode provided on the barrier layer with the gate electrode interposed between the source electrode and the drain electrode.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: June 20, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Satoshi Taniguchi, Masashi Yanagita, Katsuhiko Takeuchi, Shigeru Kanematsu, Takanori Higashi
  • Patent number: 11127743
    Abstract: A transistor including a carrier transit layer that includes a compound semiconductor and a carrier supply layer in contact with the carrier transit layer. The carrier supply layer includes a compound semiconductor of a different type from the carrier transit layer. The transistor includes a gate electrode provided on the carrier supply layer, and a source electrode and a drain electrode provided on another surface of the carrier transit layer that is opposite to one surface on which the carrier supply layer is provided.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: September 21, 2021
    Assignee: SONY CORPORATION
    Inventors: Shigeru Kanematsu, Katsuhiko Takeuchi, Masashi Yanagita, Shinichi Wada
  • Publication number: 20210111277
    Abstract: [Overview] [Problem to be Solved] To provide a switching transistor and a semiconductor module having lower distortion generated in a signal. [Solution] A switching transistor including: a channel layer including a compound semiconductor and having sheet electron density equal to or higher than 1.7×1013 cm?2; a barrier layer formed on the channel layer by using a compound semiconductor that is of a different type from the channel layer; a gate electrode provided on the barrier layer; and a source electrode and a drain electrode provided on the barrier layer with the gate electrode interposed between the source electrode and the drain electrode.
    Type: Application
    Filed: March 20, 2019
    Publication date: April 15, 2021
    Inventors: SATOSHI TANIGUCHI, MASASHI YANAGITA, KATSUHIKO TAKEUCHI, SHIGERU KANEMATSU, TAKANORI HIGASHI
  • Publication number: 20190035922
    Abstract: A semiconductor device includes a substrate and a first contact layer on the substrate. The semiconductor device includes a channel layer on the first contact layer and a barrier layer on the channel layer. The semiconductor device includes a gate electrode on at least one side surface of the barrier layer and a second contact layer on the channel layer. The semiconductor device includes a first electrode on the first contact layer and a second electrode on the second contact layer.
    Type: Application
    Filed: January 13, 2017
    Publication date: January 31, 2019
    Applicant: SONY CORPORATION
    Inventors: Katsuhiko TAKEUCHI, Shigeru KANEMATSU, Masashi YANAGITA
  • Publication number: 20180358359
    Abstract: [Object] To provide a transistor, a semiconductor device, and an electronic apparatus with reduced parasitic resistance. [Solution] A transistor including: a carrier transit layer including a compound semiconductor; a carrier supply layer provided on and in contact with the carrier transit layer and including a compound semiconductor of a different type from the carrier transit layer; a gate electrode provided on the carrier supply layer; and a source electrode and a drain electrode provided on another surface of the carrier transit layer that is opposite to one surface on which the carrier supply layer is provided.
    Type: Application
    Filed: November 4, 2016
    Publication date: December 13, 2018
    Inventors: SHIGERU KANEMATSU, KATSUHIKO TAKEUCHI, MASASHI YANAGITA, SHINICHI WADA
  • Patent number: 9336895
    Abstract: A semiconductor unit with memory devices, each of the memory devices includes: a first semiconductor layer; second and third semiconductor layers; a first dielectric film and a first conductive film; first, second, and third electrodes electrically connected to the second semiconductor layer, the third semiconductor layer, and the first conductive film, respectively, the third electrode being electrically connected to the first electrode. In the memory devices, when a voltage equal to or higher than a predetermined threshold value is applied between the first and second electrodes, a filament that is a conductive path electrically linking the second and third semiconductor layers is formed in the region between the second and third semiconductor layers, and thereby, writing operation of information is performed.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: May 10, 2016
    Assignee: SONY CORPORATION
    Inventors: Yuki Yanagisawa, Shigeru Kanematsu, Matsuo Iwasaki
  • Patent number: 9257574
    Abstract: A diode includes a first semiconductor layer configured by a compound semiconductor containing impurities of a first conductivity type; a high dislocation density region; a second semiconductor layer which is laminated on the first semiconductor layer, which is lower in a concentration of impurities in a region of a side of an interface with the first semiconductor layer than that of the first semiconductor layer, and which has an opening in which a portion which corresponds to the high dislocation density region is removed; an insulating film pattern which is provided to cover an inner wall of the opening; an electrode which is provided so as to cover the insulating film pattern and to contact the second semiconductor layer; and an opposing electrode which is provided to interpose the first semiconductor layer, the second semiconductor layer and the insulating film pattern between the electrode and the opposing electrode.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: February 9, 2016
    Assignee: SONY CORPORATION
    Inventors: Shigeru Kanematsu, Masashi Yanagita
  • Publication number: 20150302932
    Abstract: A semiconductor unit with memory devices, each of the memory devices includes: a first semiconductor layer; second and third semiconductor layers; a first dielectric film and a first conductive film; first, second, and third electrodes electrically connected to the second semiconductor layer, the third semiconductor layer, and the first conductive film, respectively, the third electrode being electrically connected to the first electrode. In the memory devices, when a voltage equal to or higher than a predetermined threshold value is applied between the first and second electrodes, a filament that is a conductive path electrically linking the second and third semiconductor layers is formed in the region between the second and third semiconductor layers, and thereby, writing operation of information is performed.
    Type: Application
    Filed: April 8, 2013
    Publication date: October 22, 2015
    Inventors: Yuki Yanagisawa, Shigeru Kanematsu, Matsuo Iwasaki
  • Patent number: 9087888
    Abstract: A semiconductor device includes: a device region having a semiconductor layer that includes a channel section; a device peripheral region adjoining the device region; a gate electrode provided within the device region, and having a boundary section that spans the device region and the device peripheral region; a conductive layer provided between the gate electrode and the semiconductor layer; and an insulating layer provided between the gate electrode in the boundary section and the semiconductor layer.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: July 21, 2015
    Assignee: Sony Corporation
    Inventors: Masashi Yanagita, Shigeru Kanematsu
  • Publication number: 20140252417
    Abstract: A semiconductor device includes: a device region having a semiconductor layer that includes a channel section; a device peripheral region adjoining the device region; a gate electrode provided within the device region, and having a boundary section that spans the device region and the device peripheral region; a conductive layer provided between the gate electrode and the semiconductor layer; and an insulating layer provided between the gate electrode in the boundary section and the semiconductor layer.
    Type: Application
    Filed: February 25, 2014
    Publication date: September 11, 2014
    Applicant: Sony Corporation
    Inventors: Masashi Yanagita, Shigeru Kanematsu
  • Patent number: 8797782
    Abstract: An operation method of a semiconductor device, includes providing one or more memory elements each including a first semiconductor layer, second and third semiconductor layers, a dielectric film and a conductive film, a first electrode, a second electrode, and a third electrode, and performing operation of writing information on a memory element to be driven of the one or more memory elements. The operation of writing is performed by forming a filament in a region between the second and third semiconductor layers, which is a conductive path electrically linking these semiconductor layers, the filament being formed by causing a dielectric breakdown of at least a part of the dielectric film, through application of a voltage equal to or higher than a predetermined threshold between the second and third electrodes, thereby causing an electric current to flow between the conductive film and the third semiconductor layer.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: August 5, 2014
    Assignee: Sony Corporation
    Inventors: Shigeru Kanematsu, Yuki Yanagisawa, Matsuo Iwasaki
  • Publication number: 20140061846
    Abstract: A diode includes a first semiconductor layer configured by a compound semiconductor containing impurities of a first conductivity type; a high dislocation density region; a second semiconductor layer which is laminated on the first semiconductor layer, which is lower in a concentration of impurities in a region of a side of an interface with the first semiconductor layer than that of the first semiconductor layer, and which has an opening in which a portion which corresponds to the high dislocation density region is removed; an insulating film pattern which is provided to cover an inner wall of the opening; an electrode which is provided so as to cover the insulating film pattern and to contact the second semiconductor layer; and an opposing electrode which is provided to interpose the first semiconductor layer, the second semiconductor layer and the insulating film pattern between the electrode and the opposing electrode.
    Type: Application
    Filed: August 21, 2013
    Publication date: March 6, 2014
    Applicant: Sony Corporation
    Inventors: Shigeru Kanematsu, Masashi Yanagita
  • Patent number: 8611129
    Abstract: An operation method of a semiconductor device, includes providing one or more memory elements each including a first semiconductor layer of a first conductivity type, second and third semiconductor layers of a second conductivity type, which are disposed to be separated from each other in the first semiconductor layer, a first electrode electrically connected to the second semiconductor layer, and a second electrode electrically connected to the third semiconductor layer, and performing operation of writing information on a memory element to be driven of the one or more memory elements. The operation of writing is performed by forming a filament in a region between the second and third semiconductor layers, which is a conductive path electrically linking these semiconductor layers, through application of a voltage equal to or higher than a predetermined threshold between the first electrode and the second electrode.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: December 17, 2013
    Assignee: Sony Corporation
    Inventors: Shigeru Kanematsu, Yuki Yanagisawa, Matsuo Iwasaki
  • Publication number: 20120212992
    Abstract: An operation method of a semiconductor device, includes providing one or more memory elements each including a first semiconductor layer, second and third semiconductor layers, a dielectric film and a conductive film, a first electrode, a second electrode, and a third electrode, and performing operation of writing information on a memory element to be driven of the one or more memory elements. The operation of writing is performed by forming a filament in a region between the second and third semiconductor layers, which is a conductive path electrically linking these semiconductor layers, the filament being formed by causing a dielectric breakdown of at least a part of the dielectric film, through application of a voltage equal to or higher than a predetermined threshold between the second and third electrodes, thereby causing an electric current to flow between the conductive film and the third semiconductor layer.
    Type: Application
    Filed: February 14, 2012
    Publication date: August 23, 2012
    Applicant: SONY CORPORATION
    Inventors: Shigeru Kanematsu, Yuki Yanagisawa, Matsuo Iwasaki
  • Publication number: 20120212991
    Abstract: An operation method of a semiconductor device, includes providing one or more memory elements each including a first semiconductor layer of a first conductivity type, second and third semiconductor layers of a second conductivity type, which are disposed to be separated from each other in the first semiconductor layer, a first electrode electrically connected to the second semiconductor layer, and a second electrode electrically connected to the third semiconductor layer, and performing operation of writing information on a memory element to be driven of the one or more memory elements. The operation of writing is performed by forming a filament in a region between the second and third semiconductor layers, which is a conductive path electrically linking these semiconductor layers, through application of a voltage equal to or higher than a predetermined threshold between the first electrode and the second electrode.
    Type: Application
    Filed: January 30, 2012
    Publication date: August 23, 2012
    Applicant: SONY CORPORATION
    Inventors: Shigeru Kanematsu, Yuki Yanagisawa, Matsuo Iwasaki
  • Patent number: 7227222
    Abstract: The present invention is related to a semiconductor device that forms an inductor on the same semiconductor substrate together with other active elements and a manufacturing method thereof. The semiconductor device of the present invention comprises a first conductivity type substrate, first semiconductor layer of a first conducting type with an impurity concentration lower than the substrate and a second semiconductor layer of a second conducting type on the first layer, an insulating film formed on this high-resistance semiconductor layer, and an inductor formed on this insulating film. The inductor has conducting film defining a width of the inductor. The first and second semiconductor layers are each formed under and at least as long as the width of the inductor.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: June 5, 2007
    Assignee: Sony Corporation
    Inventor: Shigeru Kanematsu
  • Patent number: 7192826
    Abstract: Disclosed is a semiconductor device in which the capacitive element of MIMC structure has a low parasitic capacity. A process for fabrication of said semiconductor device. The semiconductor device has a capacitive element of MIMC structure, a PN photodiode, and a vertical NPN bipolar transistor which are mounted together on the same semiconductor substrate. The lower wiring layer connected to the TiN lower electrode layer of the capacitive element of MIMC structure is formed on the insulating film and the first interlayer insulating film. Between this insulating film and the p-type semiconductor substrate is the p?-type low-concentration semiconductor layer whose impurity concentration is lower than that of the p-type semiconductor substrate. This construction suppresses the parasitic capacity of the capacitive element of the MIMC structure.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: March 20, 2007
    Assignee: Sony Corporation
    Inventors: Hirokazu Ejiri, Shigeru Kanematsu
  • Patent number: 7015551
    Abstract: A semiconductor device (100) according to the present invention comprises a vertical PNP bipolar transistor (20), an NMOS transistor (50) and a PMOS transistor (60) that are of high dielectric strength, and a P-type semiconductor substrate 1, as shown in FIG. 2. A substrate isolation layer (21) of the PNP bipolar transistor (20), a drain buried layer (51) of the NMOS transistor (50), and a back gate buried layer (61) of the PMOS transistor (60) are formed simultaneously by selectively implanting N-type impurities, such as phosphorous, in the semiconductor substrate (1). This invention greatly contributes to curtailing the processes of fabricating BiCMOS ICs and the like including vertical bipolar transistors with easily controllable performance characteristics, such as a current amplification factor, and MOS transistors with high dielectric strength and makes even more miniaturization of such ICs achievable.
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: March 21, 2006
    Assignee: Sony Corporation
    Inventors: Kenichi Ookubo, Hideki Mori, Shigeru Kanematsu
  • Patent number: 7009259
    Abstract: A semiconductor device (100) according to the present invention comprises a vertical PNP bipolar transistor (20), an NMOS transistor (50) and a PMOS transistor (60) that are of high dielectric strength, and a P-type semiconductor substrate 1, as shown in FIG. 2. A substrate isolation layer (21) of the PNP bipolar transistor (20), a drain buried layer (51) of the NMOS transistor (50), and a back gate buried layer (61) of the PMOS transistor (60) are formed simultaneously by selectively implanting N-type impurities, such as phosphorous, in the semiconductor substrate (1). This invention greatly contributes to curtailing the processes of fabricating BiCMOS ICs and the like including vertical bipolar transistors with easily controllable performance characteristics, such as a current amplification factor, and MOS transistors with high dielectric strength and makes even more miniaturization of such ICs achievable.
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: March 7, 2006
    Assignee: Sony Corporation
    Inventors: Kenichi Ookubo, Hideki Mori, Shigeru Kanematsu
  • Publication number: 20050230762
    Abstract: A semiconductor device (100) according to the present invention comprises a vertical PNP bipolar transistor (20), an NMOS transistor (50) and a PMOS transistor (60) that are of high dielectric strength, and a P-type semiconductor substrate 1, as shown in FIG. 2. A substrate isolation layer (21) of the PNP bipolar transistor (20), a drain buried layer (51) of the NMOS transistor (50), and a back gate buried layer (61) of the PMOS transistor (60) are formed simultaneously by selectively implanting N-type impurities, such as phosphorous, in the semiconductor substrate (1). This invention greatly contributes to curtailing the processes of fabricating BiCMOS ICs and the like including vertical bipolar transistors with easily controllable performance characteristics, such as a current amplification factor, and MOS transistors with high dielectric strength and makes even more miniaturization of such ICs achievable.
    Type: Application
    Filed: April 7, 2005
    Publication date: October 20, 2005
    Inventors: Kenichi Ookubo, Hideki Mori, Shigeru Kanematsu