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公开(公告)号：US20170244377A1
公开(公告)日：2017-08-24
申请号：US15439640
申请日：2017-02-22
Applicant: TDK CORPORATION
Inventor： Takekazu YAMANE , Tetsuya SHIBATA , Junichiro URABE , Atsushi SHIMURA
Abstract: A magnetoresistive effect device includes at least one magnetoresistive effect element including a magnetization fixed layer, a spacer layer, and a magnetization free layer, a first port, a second port, a first signal line which is connected to the first port and through which high-frequency current corresponding to a high-frequency signal input into the first port flows, a second signal line, and a direct-current input terminal. The magnetoresistive effect element is arranged so that a high-frequency magnetic field occurring from the first signal line is applied to the magnetization free layer. The magnetoresistive effect element is connected to the second port via the second signal line. The direct-current input terminal is connected to the magnetoresistive effect element.
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公开(公告)号：US20150061393A1
公开(公告)日：2015-03-05
申请号：US14471974
申请日：2014-08-28
Applicant: TDK CORPORATION
Inventor： Kuniyasu ITO , Tetsuya SHIBATA , Takahiro SUWA , Katsuyuki NAKADA , Masato TAKAHASHI
IPC: G05F7/00
CPC classification number: G05F7/00 , Y10T307/549
Abstract: In a variable voltage circuit 50, a resistive element 104 and a magnetoresistance effect element 108 are connected in series between a first voltage source 101 and a second voltage source 102. A magnetic field supply mechanism 121 that applies a magnetic field to the magnetoresistance effect element 108 is provided in the vicinity of the magnetoresistance effect element 108. The magnetic field supply mechanism 121 can vary the resistance value of the magnetoresistance effect element 108 by varying the magnetic field. A node 106 between the resistive element 104 and the magnetoresistance effect element 108 is connected to an output terminal 103.
Abstract translation: 在可变电压电路50中，电阻元件104和磁阻效应元件108串联连接在第一电压源101和第二电压源102之间。磁场供应机构121将磁场施加到磁阻效应元件 108设置在磁阻效应元件108的附近。磁场供给机构121可以通过改变磁场来改变磁阻效应元件108的电阻值。 电阻元件104和磁阻效应元件108之间的节点106连接到输出端子103。
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公开(公告)号：US20240151919A1
公开(公告)日：2024-05-09
申请号：US18411575
申请日：2024-01-12
Applicant: TDK CORPORATION
Inventor： Tetsuya SHIBATA , Hideaki FUKUZAWA , Tomohito MIZUNO , Masahiro SHINKAI
CPC classification number: G02B6/4296 , G02B6/4274 , G02B6/43
Abstract: This optical device includes at least one magnetic element including a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, a laser diode, and a waveguide, in which the waveguide includes at least one input waveguide optically connected to the laser diode and an output waveguide connected to the input waveguide, and at least some of light propagating in at least one of the input waveguide and the output waveguide is applied to the magnetic element.
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公开(公告)号：US20240103277A1
公开(公告)日：2024-03-28
申请号：US18373007
申请日：2023-09-26
Applicant: TDK CORPORATION
Inventor： Hideaki FUKUZAWA , Tomohito MIZUNO , Tetsuya SHIBATA , Tsuyoshi KOMAKI
CPC classification number: G02B27/0172 , G02B6/12004 , G02B6/12007 , G02B6/125 , G02B27/0093 , H10N50/10 , G02B2006/12104 , G02B2027/0178
Abstract: This optical waveguide detection element includes a substrate, an optical waveguide layer formed on the substrate, and a photodetector. The optical waveguide layer includes a first optical waveguide in which visible light having a wavelength of 380 nm to 800 nm propagates, a second optical waveguide in which near-infrared light having a wavelength of 801 nm to 2000 nm propagates, and a third optical waveguide in which light propagates to a light receiving surface of the photodetector. A visible light output port of the first optical waveguide from which the visible light is output, a near-infrared light output port of the second optical waveguide from which the near-infrared light is output, and a reflected light input port of the third optical waveguide to which the near-infrared light is reflected and returned are arranged on one end surface of the optical waveguide layer.
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公开(公告)号：US20230333022A1
公开(公告)日：2023-10-19
申请号：US18133261
申请日：2023-04-11
Applicant: TDK CORPORATION
Inventor： Hideaki FUKUZAWA , Tomohito MIZUNO , Tetsuya SHIBATA
IPC: G01N21/65
CPC classification number: G01N21/65 , G01N2201/06113
Abstract: An analysis device includes: at least one magnetic element having a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer; and a light source configured to emit a light, wherein the light is applied to an object to be analyzed, and the at least one magnetic element is configured to detect a reflected light reflected by the object or a transmitted light transmitted through the object.
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Patent Agency Ranking
公开(公告)号：US20230178892A1
公开(公告)日：2023-06-08
申请号：US18102550
申请日：2023-01-27
Applicant: TDK Corporation
Inventor： Tetsuya SHIBATA , Naoki SOTOMA
CPC classification number: H01Q5/307 , H01Q9/0407
Abstract: Disclosed herein is a dual band patch antenna that includes a first feeding part, first and second radiation conductors, a first feeding conductor having one end connected to the first feeding part and other end connected to the first radiation conductor, a second feeding conductor having one end connected to the first feeding part and other end connected to the second radiation conductor, a first open stub having one end connected to the first feeding conductor and other end opened, and a second open stub having one end connected to the second feeding conductor and other end opened.
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公开(公告)号：US20220317397A1
公开(公告)日：2022-10-06
申请号：US17693558
申请日：2022-03-14
Applicant: TDK CORPORATION
Inventor： Tetsuya SHIBATA , Hideaki FUKUZAWA , Tomohito MIZUNO , Masahiro SHINKAI
Abstract: This optical device includes at least one magnetic element including a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, a laser diode, and a waveguide, in which the waveguide includes at least one input waveguide optically connected to the laser diode and an output waveguide connected to the input waveguide, and at least some of light propagating in at least one of the input waveguide and the output waveguide is applied to the magnetic element.
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公开(公告)号：US20220178741A1
公开(公告)日：2022-06-09
申请号：US17507088
申请日：2021-10-21
Applicant: TDK CORPORATION
Inventor： Hideaki FUKUZAWA , Tomohito MIZUNO , Tetsuya SHIBATA
Abstract: A receiving device includes a magnetic element having a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, wherein the first ferromagnetic layer is configured to be irradiated with light containing an optical signal with a change of intensity of the light, and wherein the receiving device is configured to receive the optical signal on a basis of an output voltage from the magnetic element.
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公开(公告)号：US20220131020A1
公开(公告)日：2022-04-28
申请号：US17509730
申请日：2021-10-25
Applicant: TDK CORPORATION
Inventor： Tomohito MIZUNO , Takekazu YAMANE , Hideaki FUKUZAWA , Tetsuya SHIBATA
IPC: H01L31/0224 , H01L27/146 , H04B10/50 , H04B10/69 , H04B10/114
Abstract: An electrode structure includes: a metal film with an opening formed in a part of the metal film; and a transparent conductive film disposed in the opening, wherein the transparent conductive film is electronically connected to an element and overlaps with the element as viewed in a plan view in a thickness direction of the transparent conductive film.
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公开(公告)号：US20190157762A1
公开(公告)日：2019-05-23
申请号：US16191060
申请日：2018-11-14
Applicant: TDK Corporation
Inventor： Tetsuya SHIBATA , Naoki SOTOMA
Abstract: Disclosed herein is a dual band patch antenna that includes a first feeding part, first and second radiation conductors, a first feeding conductor having one end connected to the first feeding part and other end connected to the first radiation conductor, a second feeding conductor having one end connected to the first feeding part and other end connected to the second radiation conductor, a first open stub having one end connected to the first feeding conductor and other end opened, and a second open stub having one end connected to the second feeding conductor and other end opened.
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