Patents by Inventor Masato Susukida
Masato Susukida 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).
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Patent number: 8658890Abstract: A solar cell which can increase its open-circuit voltage, short-circuit current, and fill factor (F.F.), thereby enhancing its conversion efficiency is provided. The solar cell of the present invention comprises a p-type semiconductor layer and an n-type semiconductor layer, formed on the p-type semiconductor layer, containing a compound expressed by the following chemical formula (1): ZnO1-x-ySxSey??(1) where x?0, y>0, and 0.2<x+y<0.65.Type: GrantFiled: February 11, 2010Date of Patent: February 25, 2014Assignee: TDK CorporationInventors: Yasuhiro Aida, Masato Susukida
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Patent number: 8586150Abstract: The present invention provides a method for producing a perovskite-structure oxide, with which a highly crystalline oxide layer is formed on a base layer that is metal or the like. The method comprises the steps of: forming, on a base layer, a buffer layer having thermal conductivity lower than thermal conductivity of the base layer; forming a precursor layer of an ABO3-type perovskite-structure oxide comprising Ba at A sites thereof and Ti at B sites thereof on the buffer layer; decomposing the precursor layer, thereby forming an oxide layer comprising Ba and Ti; and annealing the oxide layer by irradiating laser light thereon.Type: GrantFiled: March 24, 2009Date of Patent: November 19, 2013Assignees: National Institute of Advanced Industrial Science and Technology, TDK CorporationInventors: Tetsuo Tsuchiya, Yuki Yamashita, Masato Susukida
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Patent number: 8373062Abstract: A solar cell is provided as one capable of increasing the open voltage when compared with the conventional solar cells. A solar cell according to the present invention has a p-type semiconductor layer containing a group Ib element, a group IIIb element, and a group VIb element, and an n-type semiconductor layer containing a group Ib element, a group IIIb element, a group VIb element, and Zn and formed on the p-type semiconductor layer. A content of the group Ib element in the n-type semiconductor layer is from 15 to 21 at. % to the total number of atoms of the group Ib element, the group IIIb element, the group VIb element, and Zn in the n-type semiconductor layer, and a content of Zn in the n-type semiconductor layer is from 0.005 to 1.0 at. % to the total number of atoms of the group Ib element, the group IIIb element, the group VIb element, and Zn in the n-type semiconductor layer.Type: GrantFiled: March 5, 2010Date of Patent: February 12, 2013Assignee: TDK CorporationInventors: Yasuhiro Aida, Masato Susukida
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Publication number: 20100229951Abstract: A solar cell is provided as one capable of increasing the open voltage when compared with the conventional solar cells. A solar cell according to the present invention has a p-type semiconductor layer containing a group Ib element, a group IIIb element, and a group VIb element, and an n-type semiconductor layer containing a group Ib element, a group IIIb element, a group VIb element, and Zn and formed on the p-type semiconductor layer. A content of the group Ib element in the n-type semiconductor layer is from 15 to 21 at. % to the total number of atoms of the group Ib element, the group IIIb element, the group VIb element, and Zn in the n-type semiconductor layer, and a content of Zn in the n-type semiconductor layer is from 0.005 to 1.0 at. % to the total number of atoms of the group Ib element, the group IIIb element, the group VIb element, and Zn in the n-type semiconductor layer.Type: ApplicationFiled: March 5, 2010Publication date: September 16, 2010Applicant: TDK CORPORATIONInventors: Yasuhiro AIDA, Masato SUSUKIDA
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Publication number: 20100206381Abstract: A solar cell which can increase its open-circuit voltage, short-circuit current, and fill factor (F.F.), thereby enhancing its conversion efficiency is provided. The solar cell of the present invention comprises a p-type semiconductor layer and an n-type semiconductor layer, formed on the p-type semiconductor layer, containing a compound expressed by the following chemical formula (1): ZnO1-x-ySxSey??(1) where x?0, y>0, and 0.2<x+y<0.65.Type: ApplicationFiled: February 11, 2010Publication date: August 19, 2010Applicant: TDK CORPORATIONInventors: Yasuhiro AIDA, Masato SUSUKIDA
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Publication number: 20100210065Abstract: A method of manufacturing a solar cell is provided, which can enhance the carrier concentration, so as to increase the open-circuit voltage, short-circuit current, and fill factor (F.F.), thereby raising the conversion efficiency. The method of manufacturing a solar cell in accordance with the present invention comprises a sputtering step of forming a layer containing Ib and IIIb group elements and Se on a substrate by sputtering with a target containing a Ib group element and a target containing a IIIb group element in an atmosphere containing Se; and a heat treatment step of heating the layer.Type: ApplicationFiled: February 9, 2010Publication date: August 19, 2010Applicant: TDK CORPORATIONInventors: Yasuhiro AIDA, Masato SUSUKIDA
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Publication number: 20090246405Abstract: The present invention provides a method for producing a perovskite-structure oxide, with which a highly crystalline oxide layer is formed on a base layer that is metal or the like. The method comprises the steps of: forming, on a base layer, a buffer layer having thermal conductivity lower than thermal conductivity of the base layer; forming a precursor layer of an ABO3-type perovskite-structure oxide comprising Ba at A sites thereof and Ti at B sites thereof on the buffer layer; decomposing the precursor layer, thereby forming an oxide layer comprising Ba and Ti; and annealing the oxide layer by irradiating laser light thereon.Type: ApplicationFiled: March 24, 2009Publication date: October 1, 2009Applicants: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, TDK CORPORATIONInventors: Tetsuo TSUCHIYA, Yuki YAMASHITA, Masato SUSUKIDA
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Patent number: 6899916Abstract: A composite substrate includes a substrate, an electrode formed on the substrate, a first dielectric layer of thick film dielectric formed on the electrode, a second dielectric layer formed on the first dielectric layer by a solution coating-and-firing technique, and a buffer layer formed below and/or within the first dielectric layer. The composite substrate keeps the thick-film dielectric layer fully insulating and enables functional thin films formed thereon such as a light emitting layer to perform stable operation, especially stable light emission. An EL panel using the same and a method for preparing the same are also provided.Type: GrantFiled: October 29, 2002Date of Patent: May 31, 2005Assignee: The Westaim CorporationInventors: Yoshio Saita, Jun Hagiwara, Yukihiko Shirakawa, Masato Susukida
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Patent number: 6614460Abstract: A thermal head including a protection layer having mutually opposed first and second surfaces, said first surface having a flat or protruded printing surface which is brought into contact with a heat sensitive record medium, a heat generating section including resistors and electrodes connected to the electrodes and provided on said second surface of the protection layer, and a reinforcing member made of a low melting pint glass and provided on a side of the heat generating section remote from the protection layer. The reinforcing member improves a mechanical strength of the thermal head. The reinforcing member made of a glass also serves as a heat storage member, and thus a thermal property of the thermal head is improved. The reinforcing member may be formed by an aggregate of ceramic particles. The reinforcing member may contain a heat storage layer made of a low melting point glass and a heat conduction layer provided on the heat storage layer.Type: GrantFiled: November 26, 2001Date of Patent: September 2, 2003Assignee: TDK CorporationInventors: Masato Susukida, Katsuto Nagano, Yoshio Saita, Jun Hirabayashi, Jun Hagiwara
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Publication number: 20030090199Abstract: A composite substrate includes a substrate, an electrode formed on the substrate, a first dielectric layer of thick film dielectric formed on the electrode, a second dielectric layer formed on the first dielectric layer by a solution coating-and-firing technique, and a buffer layer formed below and/or within the first dielectric layer. The composite substrate keeps the thick-film dielectric layer fully insulating and enables functional thin films formed thereon such as a light emitting layer to perform stable operation, especially stable light emission. An EL panel using the same and a method for preparing the same are also provided.Type: ApplicationFiled: October 29, 2002Publication date: May 15, 2003Applicant: TDK CORPORATIONInventors: Yoshio Saita, Jun Hagiwara, Yukihiko Shirakawa, Masato Susukida
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Patent number: 6407764Abstract: An wear-resistant layer 50 constituting a printing surface which is brought into contact with a thermal record medium is formed on a provisional substrate 70 having a groove formed in its surface, said groove having a substantially semicircular cross section, and a heat generating layer 51, electrically conductive layers 52a and 52b electrically connected to the heat generating layer, a protection layer 54a and a heat storage layer 58 are stacked in turn to form a printing section. Next, a driving IC 55 for controlling a heating electric power to be supplied to the printing section is connected to the electrically conductive layer and a wiring section 53 for connecting the driving IC to an external circuit is provided. Thereafter, the printing section is secured to a heat dissipating member 59 by means of a resin 62, and a common electrode 84 and wires 56 are secured to the heat dissipating member by means of both-sided adhesive tapes 82 and 83.Type: GrantFiled: August 18, 1998Date of Patent: June 18, 2002Assignee: TDK CorporationInventors: Masato Susukida, Katsuto Nagano, Atsushi Yoshida, Jun Hirabayashi, Yoshio Saita, Jun Hagiwara
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Publication number: 20020030728Abstract: A thermal head including a protection layer having mutually opposed first and second surfaces, said first surface having a flat or protruded printing surface which is brought into contact with a heat sensitive record medium, a heat generating section including resistors and electrodes connected to the electrodes and provided on said second surface of the protection layer, and a reinforcing member made of a low melting pint glass and provided on a side of the heat generating section remote from the protection layer. The reinforcing member improves a mechanical strength of the thermal head. The reinforcing member made of a glass also serves as a heat storage member, and thus a thermal property of the thermal head is improved. The reinforcing member may be formed by an aggregate of ceramic particles. The reinforcing member may contain a heat storage layer made of a low melting point glass and a heat conduction layer provided on the heat storage layer.Type: ApplicationFiled: November 26, 2001Publication date: March 14, 2002Applicant: TDK CorporationInventors: Masato Susukida, Katsuto Nagano, Yoshio Saita, Jun Hirabayashi, Jun Hagiwara
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Patent number: 6344868Abstract: A thermal head including a protection layer having mutually opposed first and second surfaces, said first surface having a flat or protruded printing surface which is brought into contact with a heat sensitive record medium, a heat generating section including resistors and electrodes connected to the electrodes and provided on said second surface of the protection layer, and a reinforcing member made of a low melting pint glass and provided on a side of the heat generating section remote from the protection layer. The reinforcing member improves a mechanical strength of the thermal head. The reinforcing member made of a glass also serves as a heat storage member, and thus a thermal property of the thermal head is improved. The reinforcing member may be formed by an aggregate of ceramic particles. The reinforcing member may contain a heat storage layer made of a low melting point glass and a heat conduction layer provided on the heat storage layer.Type: GrantFiled: July 22, 1998Date of Patent: February 5, 2002Assignee: TDK CorporationInventors: Masato Susukida, Katsuto Nagano, Yoshio Saita, Jun Hirabayashi, Jun Hagiwara, Atsushi Yoshida
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Patent number: 6184913Abstract: A thermal head including a protection layer having mutually opposed first and second surfaces, said first surface having a printing surface which is brought into contact with a heat sensitive record medium and is protruded from the remaining portion of the first surface of the protection layer, a heat generating sections including resistors and electrodes connected to the electrodes and provided on said second surface of the protection layer at said protruded printing surface, a heat control section including a heat storage layer and a heat conduction layer and provided on said heat generating section, and a driving IC connected to said electrodes. In order to improve the mechanical strength of the thermal head, a reinforcing layer made of a glass is provided on said first surface of the protection layer except for said printing surface such that a surface of said reinforcing layer is not higher than said first surface of the protection layer at said protruded printing surface.Type: GrantFiled: July 22, 1998Date of Patent: February 6, 2001Assignee: TDK CorporationInventors: Katsuto Nagano, Masato Susukida, Yoshio Saita, Jun Hirabayashi, Jun Hagiwara
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Patent number: 5860844Abstract: A cold cathode electron source element having a cold cathode on a substrate. The cold cathode has dispersed in a cold cathode base particles of a conductive material having a lower work function than the base and a particle size which is sufficiently smaller than the thickness of the cold cathode. The element can be driven with a low voltage to induce high emission current in a stable manner. The cold cathode is easily processable. The element can have an increased surface area.Type: GrantFiled: November 3, 1997Date of Patent: January 19, 1999Assignee: TDK CorporationInventors: Masato Susukida, Jun Hagiwara, Katsuto Nagano
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Patent number: 5760536Abstract: A cold cathode electron source element having a cold cathode on a substrate. The cold cathode has dispersed in a cold cathode base particles of a conductive material having a lower work function than the base and a particle size which is sufficiently smaller than the thickness of the cold cathode. The element can be driven with a low voltage to induce high emission current in a stable manner. The cold cathode is easily processable. The element can have an increased surface area.Type: GrantFiled: November 23, 1994Date of Patent: June 2, 1998Assignee: TDK CorporationInventors: Masato Susukida, Jun Hagiwara, Katsuto Nagano
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Patent number: 5296405Abstract: An improved semiconductor processing is disclosed. In the manufacturing process, a semiconductor layer is formed and then undergoes photo annealing. A neutralizer is then introduced to the photoannealed semiconductor. The semiconductor thus formed demonstrates the SEL effect instead of the Staebler-Wronski effect.Type: GrantFiled: August 24, 1992Date of Patent: March 22, 1994Assignee: Semiconductor Energy Laboratory Co.., Ltd.Inventors: Shunpei Yamazaki, Kunio Suzuki, Susumu Nagayama, Takashi Inujima, Masayoshi Abe, Takeshi Fukada, Mikio Kinka, Ippei Kobayashi, Katsuhiko Shibata, Masato Susukida, Kaoru Koyanagi
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Patent number: 5171710Abstract: An improved semiconductor processing is disclosed. In the manufacturing process, a semiconductor layer is formed and then undergoes photo annealing. A neutralizer is then introduced to the photoannealed semiconductor. The semiconductor thus formed demonstrates the SEL effect instead of the Staebler-Wronski effect.Type: GrantFiled: May 9, 1990Date of Patent: December 15, 1992Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Kunio Suzuki, Susumu Nagayama, Takashi Inujima, Masayoshi Abe, Takeshi Fukada, Mikio Kinka, Ippei Kobayashi, Katsuhiko Shibata, Masato Susukida, Kaoru Koyanagi
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Patent number: 5089426Abstract: An improved semiconductor device is disclosed which is free from current leakage due to pin-holes or other gaps. Also an improved method for provessing a semiconductor device is shown. According to the invention, gaps produced in fabricating process of the semiconductor layer are filled with insulator in advance of deposition of electrodes. By virtue of this configuration, short current paths do not result even if transparent electrode is provided on the semiconductor layer.Type: GrantFiled: January 16, 1990Date of Patent: February 18, 1992Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Kunio Suzuki, Masato Susukida, Mikio Kinka, Takeshi Fukada, Masayoshi Abe, Ippei Kobayashi, Katsuhiko Shibata, Kaoru Koyanagi, Susumu Nagayama
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Patent number: 4986213Abstract: An improved semiconductor processing is desclosed. In the manufacturing process, just formed semiconductor layer undergoes photo annealing and latent dangling bonds are let appear on the surface and gaps, then neutralizer is introduced to the ambience of the semiconductor. The semiconductor thus formed demonstrates SEL effect in place of Staebler-Wronski effect.Type: GrantFiled: September 28, 1988Date of Patent: January 22, 1991Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Kunio Suzuki, Susumu Nagayama, Takashi Inujima, Masayoshi Abe, Takeshi Fukada, Mikio Kinka, Ippei Kobayashi, Katsuhiko Shibata, Masato Susukida, Kaoru Koyanagi