Patents by Inventor Kazuyuki Noto
Kazuyuki Noto 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: 11283425Abstract: A piezoelectric resonator unit includes a piezoelectric substrate, first and second excitation electrodes, first and second connecting electrodes, and first and second exterior members. The first excitation electrode and first connecting electrode are disposed on a first main surface of the piezoelectric substrate and are electrically connected to each other. Similarly, the second excitation electrode and the second connecting electrode are disposed on a second main surface of the piezoelectric substrate and are electrically connected to each other. First and second exterior members bonded to the substrate with sealing members interposed. The first exterior member includes a first terminal portion formed in a shape that externally exposes at least part of the first connecting electrode. A first outer electrode covers the first terminal portion and the exposed portion of the first connecting electrode protruding from the first exterior member.Type: GrantFiled: February 25, 2020Date of Patent: March 22, 2022Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Motoyoshi Sakai, Kazuyuki Noto, Jun Konishi, Isao Ikeda
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Patent number: 11201587Abstract: A piezoelectric oscillator includes a base member; a piezoelectric resonator mounted on an upper surface of the base member; a lid member joined to the upper surface so as to hermetically seal the piezoelectric resonator; an electronic component mounted on a lower surface of the base member; a mounting frame joined to the lower surface so as to surround the electronic component; and a heat conduction path disposed on the base member and/or the mounting frame. The heat conduction path is electrically isolated from both of the piezoelectric resonator and the electronic component in the piezoelectric oscillator and has heat conductivity. The heat conduction path includes a first heat conduction portion inside where the base member and the mounting frame overlap, and a second heat conduction portion connected to the first heat conduction portion and disposed outside where the base member and the mounting frame overlap.Type: GrantFiled: April 20, 2018Date of Patent: December 14, 2021Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Kazuyuki Noto
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Patent number: 10985727Abstract: A piezoelectric vibrator includes a piezoelectric vibrating element, and a base member having a mounting surface to which the piezoelectric vibrating element is mounted, and a mount surface positioned on the opposite side to the mounting surface. The base member includes an electrode pattern formed at the mount surface that includes a ground electrode and a signal electrode that is electrically connected to the piezoelectric vibrating element. Moreover, the mount surface is a rectangular shape, the signal and ground electrodes are arranged in a region of the mount surface closer to any one side thereof, with the one side defining part of outer edges of the mount surface, and a distance from an outer edge of the signal electrode to the one side of the mount surface is longer than a distance from an outer edge of the ground electrode to the one side of the mount surface.Type: GrantFiled: April 9, 2018Date of Patent: April 20, 2021Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Mitsunori Ishimasa, Motoyoshi Sakai, Kazuyuki Noto
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Patent number: 10848125Abstract: A quartz crystal resonator unit including a quartz crystal resonator having a quartz crystal blank, a frame surrounding an outer periphery of the quartz crystal blank, and coupling members connecting the frame to the quartz crystal blank. Moreover, a lid member and a base member are attached to the frame and seal the resonator. One or more outer electrodes is formed over end surfaces of the frame, the lid member, and the base member on a side where the coupling members are coupled. The one or more outer electrodes has a machinery quality factor smaller than that of the frame.Type: GrantFiled: August 31, 2017Date of Patent: November 24, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Kazuyuki Noto, Hiroaki Kaida
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Patent number: 10749467Abstract: A piezoelectric resonator unit includes a base member having a mounting surface. A piezoelectric resonator is mounted on the mounting surface and a lid member is bonded to the mounting surface such that the piezoelectric resonator is hermetically sealed in an inner space. A heat conductor is connected to a temperature sensor that detects a temperature of the piezoelectric resonator and is connected to a heating element that radiates heat onto the piezoelectric resonator. The heat conductor has a portion that is arranged in the inner space.Type: GrantFiled: April 11, 2018Date of Patent: August 18, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Kazuyuki Noto
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Patent number: 10749492Abstract: A lid and an insulating bonding layer that seal a piezoelectric vibrator on a substrate are bonded with higher strength. A piezoelectric vibration component includes a substrate having a principal surface on which a piezoelectric vibrator is mounted, an insulating film disposed on the principal surface, a lid having a recess opening toward the principal surface and an edge portion around the recess. Moreover, first and second insulating bonding layers are interposed between the lid and the substrate. The first and second insulating bonding layers are joined together between the edge portion and the insulating film so as to seal the piezoelectric vibrator in a space between the recess and the principal surface.Type: GrantFiled: June 23, 2017Date of Patent: August 18, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Kazuyuki Noto, Keiichi Kami, Hidekazu Oishibashi
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Patent number: 10727803Abstract: A piezoelectric vibration member that includes a substrate having a main surface on or in which a piezoelectric vibration member is mounted, a lid having a recess that is open so as to face the main surface and which includes a flange portion that projects outward from an opening edge of the recess, and a bonding layer that bonds the substrate and the lid together so as to hermetically seal the piezoelectric vibrator in a space between the recess and the main surface. The surface roughness of a side surface of the flange portion is greater than the surface roughness of the surface of the recess, and the bonding layer extends from the main surface of the substrate to the side surface of the flange portion.Type: GrantFiled: June 15, 2017Date of Patent: July 28, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Kazuyuki Noto
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Patent number: 10715104Abstract: A piezoelectric vibration component that includes a substrate having a principal surface and a side face, a piezoelectric vibrator, a lid, and an adhesive layer that hermetically seals the piezoelectric vibrator in a space between the lid and the principal surface. The adhesive layer extends from the principal surface to at least a portion of the side face of the substrate.Type: GrantFiled: June 15, 2017Date of Patent: July 14, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hiroaki Kaida, Kazuyuki Noto, Keiichi Kami
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Publication number: 20200195226Abstract: A piezoelectric resonator unit includes a piezoelectric substrate, first and second excitation electrodes, first and second connecting electrodes, and first and second exterior members. The first excitation electrode and first connecting electrode are disposed on a first main surface of the piezoelectric substrate and are electrically connected to each other. Similarly, the second excitation electrode and the second connecting electrode are disposed on a second main surface of the piezoelectric substrate and are electrically connected to each other. First and second exterior members bonded to the substrate with sealing members interposed. The first exterior member includes a first terminal portion formed in a shape that externally exposes at least part of the first connecting electrode. A first outer electrode covers the first terminal portion and the exposed portion of the first connecting electrode protruding from the first exterior member.Type: ApplicationFiled: February 25, 2020Publication date: June 18, 2020Inventors: Motoyoshi Sakai, Kazuyuki Noto, Jun Konishi, Isao Ikeda
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Patent number: 10615331Abstract: A crystal vibrator includes an AT-cut crystal substrate with a vibration portion having a principal surface and a peripheral portion surrounding and thinner than the vibration portion. An excitation electrode is formed on the principal surface and an extension electrode is electrically connected to the excitation electrode. The vibration portion has a first short-edge side lateral surface that abuts the peripheral portion at an acute angle and a tapered lateral surface adjacent to the first short-edge side lateral surface and inclined with respect to the X axis in the XZ? plane. The tapered lateral surface abuts the peripheral portion at an angle that is greater than the angle defined by the first short-edge side lateral surface. The extension electrode extends from the excitation electrode through the tapered lateral surface to a first short-edge side in a longitudinal direction parallel to the Z? axis.Type: GrantFiled: July 26, 2017Date of Patent: April 7, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hiroaki Kaida, Keiichi Kami, Kazuyuki Noto
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Patent number: 10454020Abstract: A crystal vibrator that includes a crystal substrate having a front surface and a rear surface, including a vibration portion in a region including a center of the crystal substrate, and a first peripheral portion that surrounds a periphery of the vibration portion and that has a smaller thickness than the vibration portion. Drive electrodes are formed on both surfaces of the vibration portion of the crystal substrate. In at least one of the front surface and the rear surface of the crystal substrate, a step is provided between the vibration portion and the first peripheral portion, and a first peripheral edge portion of the vibration portion and a second peripheral edge portion of the first peripheral portion are in a curved surface shape.Type: GrantFiled: April 27, 2017Date of Patent: October 22, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Masao Gamo, Kazuyuki Noto, Keiichi Kami
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Publication number: 20190301704Abstract: A light source window member for applying irradiation light from a light source that includes a tubular side wall member extending in a longitudinal direction and constructed to contain the light source therein; and an irradiation window region provided at at least one surface of the tubular side wall member, and the irradiation window region is made of artificial quartz.Type: ApplicationFiled: June 19, 2019Publication date: October 3, 2019Inventors: Yuichiro Nagamine, Kazuyuki Noto
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Patent number: 10205434Abstract: A piezoelectric resonator unit that includes a piezoelectric resonator, a substrate including a protruding portion, and a cap joined to the protruding portion. The piezoelectric resonator unit has a first relation of (W1+T1)?w1<(W1+2T1), where, in a long-side sectional view, w1 is a width of an inside of an opening in the cap, T1 is a width of the protruding portion, and W1 is a width of the upper surface of the substrate between parts of the protruding portion; and has a second relation of (W2+T2)?w2<(W2+2T2), where, in a short-side sectional view, w2 is a width of the inside of the opening in the cap, T2 is a width of the protruding portion, and W2 is a width of the upper surface of the substrate between parts of the protruding portion.Type: GrantFiled: November 16, 2017Date of Patent: February 12, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hiroaki Kaida, Kazuyuki Noto
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Publication number: 20180248516Abstract: A piezoelectric oscillator includes a base member; a piezoelectric resonator mounted on an upper surface of the base member; a lid member joined to the upper surface so as to hermetically seal the piezoelectric resonator; an electronic component mounted on a lower surface of the base member; a mounting frame joined to the lower surface so as to surround the electronic component; and a heat conduction path disposed on the base member and/or the mounting frame. The heat conduction path is electrically isolated from both of the piezoelectric resonator and the electronic component in the piezoelectric oscillator and has heat conductivity. The heat conduction path includes a first heat conduction portion inside where the base member and the mounting frame overlap, and a second heat conduction portion connected to the first heat conduction portion and disposed outside where the base member and the mounting frame overlap.Type: ApplicationFiled: April 20, 2018Publication date: August 30, 2018Inventor: Kazuyuki Noto
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Publication number: 20180234077Abstract: A piezoelectric vibrator includes a piezoelectric vibrating element, and a base member having a mounting surface to which the piezoelectric vibrating element is mounted, and a mount surface positioned on the opposite side to the mounting surface. The base member includes an electrode pattern formed at the mount surface that includes a ground electrode and a signal electrode that is electrically connected to the piezoelectric vibrating element. Moreover, the mount surface is a rectangular shape, the signal and ground electrodes are arranged in a region of the mount surface closer to any one side thereof, with the one side defining part of outer edges of the mount surface, and a distance from an outer edge of the signal electrode to the one side of the mount surface is longer than a distance from an outer edge of the ground electrode to the one side of the mount surface.Type: ApplicationFiled: April 9, 2018Publication date: August 16, 2018Inventors: MITSUNORI ISHIMASA, Motoyoshi Sakai, Kazuyuki Noto
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Publication number: 20180234052Abstract: A piezoelectric resonator unit includes a base member having a mounting surface. A piezoelectric resonator is mounted on the mounting surface and a lid member is bonded to the mounting surface such that the piezoelectric resonator is hermetically sealed in an inner space. A heat conductor is connected to a temperature sensor that detects a temperature of the piezoelectric resonator and is connected to a heating element that radiates heat onto the piezoelectric resonator. The heat conductor has a portion that is arranged in the inner space.Type: ApplicationFiled: April 11, 2018Publication date: August 16, 2018Inventor: KAZUYUKI NOTO
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Publication number: 20180083595Abstract: A piezoelectric resonator unit that includes a piezoelectric resonator, a substrate including a protruding portion, and a cap joined to the protruding portion. The piezoelectric resonator unit has a first relation of W1+T1?w1<W1+2T1, where, in a long-side sectional view, w1 is a width of an inside of an opening in the cap, T1 is a width of the protruding portion, and W1 is a width of the upper surface of the substrate between parts of the protruding portion; and has a second relation of W2+T2?w2<W2+2T2, where, in a short-side sectional view, w2 is a width of the inside of the opening in the cap, T2 is a width of the protruding portion, and W2 is a width of the upper surface of the substrate between parts of the protruding portion.Type: ApplicationFiled: November 16, 2017Publication date: March 22, 2018Inventors: Hiroaki Kaida, Kazuyuki Noto
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Publication number: 20170366162Abstract: A quartz crystal resonator unit including a quartz crystal resonator having a quartz crystal blank, a frame surrounding an outer periphery of the quartz crystal blank, and coupling members connecting the frame to the quartz crystal blank. Moreover, a lid member and a base member are attached to the frame and seal the resonator. One or more outer electrodes is formed over end surfaces of the frame, the lid member, and the base member on a side where the coupling members are coupled. The one or more outer electrodes has a machinery quality factor smaller than that of the frame.Type: ApplicationFiled: August 31, 2017Publication date: December 21, 2017Inventors: Kazuyuki Noto, Hiroaki Kaida
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Publication number: 20170324024Abstract: A crystal vibrator includes an AT-cut crystal substrate with a vibration portion having a principal surface and a peripheral portion surrounding and thinner than the vibration portion. An excitation electrode is formed on the principal surface and an extension electrode is electrically connected to the excitation electrode. The vibration portion has a first short-edge side lateral surface that abuts the peripheral portion at an acute angle and a tapered lateral surface adjacent to the first short-edge side lateral surface and inclined with respect to the X axis in the XZ? plane. The tapered lateral surface abuts the peripheral portion at an angle that is greater than the angle defined by the first short-edge side lateral surface. The extension electrode extends from the excitation electrode through the tapered lateral surface to a first short-edge side in a longitudinal direction parallel to the Z? axis.Type: ApplicationFiled: July 26, 2017Publication date: November 9, 2017Inventors: HIROAKI KAIDA, Keiichi Kami, Kazuyuki Noto
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Publication number: 20170302242Abstract: A piezoelectric vibration member that includes a substrate having a main surface on or in which a piezoelectric vibration member is mounted, a lid having a recess that is open so as to face the main surface and which includes a flange portion that projects outward from an opening edge of the recess, and a bonding layer that bonds the substrate and the lid together so as to hermetically seal the piezoelectric vibrator in a space between the recess and the main surface. The surface roughness of a side surface of the flange portion is greater than the surface roughness of the surface of the recess, and the bonding layer extends from the main surface of the substrate to the side surface of the flange portion.Type: ApplicationFiled: June 15, 2017Publication date: October 19, 2017Inventor: KAZUYUKI NOTO