Patents Assigned to TDK
  • Switching device
    Patent number: 11942298
    Abstract: In an embodiment, a switching device includes at least one stationary contact, a movable contact, an armature, a permanent magnet and a magnetically-operated switch, wherein the movable contact is movable by the armature, wherein the permanent magnet is attached to the armature, and wherein the magnetically-operated switch is a Hall switch.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: March 26, 2024
    Assignee: TDK Electronics AG
    Inventors: Armin Grunack, Torsten Klinger
  • Thin film capacitor
    Patent number: 11942278
    Abstract: Provided is a thin film capacitor comprising a capacitance portion in which at least one dielectric layer is sandwiched between a pair of electrode layers included in a plurality of electrode layers, wherein the capacitance portion has an opening which extends in a lamination direction in which the plurality of electrode layers and the dielectric layer are laminated and through which one electrode layer of the plurality of electrode layers is exposed, the one electrode layer has an exposed portion exposed at a bottom surface of the opening, the exposed portion is in contact with a wiring layer connecting the one electrode layer and an electrode terminal, and a thickness of the exposed portion of the one electrode layer is smaller than a thickness of other portions of the one electrode layer and is 50% or more of the thickness of the other portions of the one electrode layer.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: March 26, 2024
    Assignee: TDK Corporation
    Inventors: Michihiro Kumagae, Kazuhiro Yoshikawa, Kenichi Yoshida, Junki Nakamoto, Norihiko Matsuzaka
  • Hybrid polymer aluminum electrolytic capacitor and method of manufacturing a capacitor
    Patent number: 11942280
    Abstract: A hybrid polymer aluminum electrolytic capacitor and a method for manufacturing a capacitor are disclosed.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: March 26, 2024
    Assignee: TDK Electronics AG
    Inventors: Norbert Will, László Dobai, Péter Kerepesi, Csaba Tóth
  • Systems, methods, and devices for haptic feedback
    Patent number: 11941974
    Abstract: Systems, methods, and devices for haptic feedback are provided. A microfluidic device includes an inlet port for supplying a fluid into the microfluidic device. A tube receives the fluid from the inlet port. The microfluidic device includes a piezoelectric actuator for realizing a displacement of a substrate to which the microfluidic device is attached, the displacement based on an electrical actuation applied to the piezoelectric actuator, and an amount of the fluid or a pressure in the tube. In some embodiments, the tube includes a carbon nanotube. In some embodiments, an amount of the fluid in the tube is controlled by an actuator (e.g., the piezoelectric actuator).
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: March 26, 2024
    Assignee: TDK CORPORATION
    Inventor: Rakesh Sethi
  • COMPOSITE PARTICLES
    Publication number: 20240093036
    Abstract: A composite particle of the present invention includes an inorganic particle and a graphene oxide particle that coats at least a part of the inorganic particle, and the graphene oxide particle is a modified graphene oxide particle having a surface modified with a hydrocarbon group optionally having a substituent.
    Type: Application
    Filed: September 30, 2021
    Publication date: March 21, 2024
    Applicant: TDK CORPORATION
    Inventors: Yuta NAKAGAWA, Takashi INAGAKI
  • COIL DEVICE
    Publication number: 20240096547
    Abstract: The present disclosure provides a coil device that can be reduced in height, has a small installation area of a case, and is excellent in heat dissipation. A coil device according to the present disclosure includes: a device body including a bobbin and a coil unit of a wire wound around the bobbin; a terminal block arranging a lead portion drawn out from a wire of the coil unit thereon; and a case capable of accommodating the device body. The case includes a support arm extending outside the case, and the terminal block is held by the support arm.
    Type: Application
    Filed: September 12, 2023
    Publication date: March 21, 2024
    Applicant: TDK CORPORATION
    Inventors: Tomohiro FURUICHI, Masaru KUMAGAI, Takuma TANAKA
  • MAGNETIC SENSOR
    Publication number: 20240094312
    Abstract: A magnetic sensor includes a substrate including a top surface; an insulating layer disposed on the substrate, the insulating layer including first and second inclined surfaces each inclined with respect to the top surface of the substrate; and an MR element structure. An MR element is disposed on the first inclined surface or the second inclined surface. The MR element includes a bottom surface facing the first inclined surface or the second inclined surface, a top surface, and a first surface connecting the bottom surface and the top surface and including two steps.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 21, 2024
    Applicant: TDK CORPORATION
    Inventors: Hidekazu KOJIMA, Hiromichi Umehara
  • SENSOR
    Publication number: 20240094313
    Abstract: A magnetic sensor includes an insulating layer, a first MR element, and a second MR element. The insulating layer includes a first layer and a second layer, and also includes first and second inclined surfaces formed across the first layer and the second layer. Each of the first and second MR elements includes a magnetization pinned layer and a free layer. The magnetization pinned layer and the free layer of the first MR element are disposed on the first inclined surface. The magnetization pinned layer and the free layer of the second MR element are disposed on the second inclined surface.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 21, 2024
    Applicant: TDK Corporation
    Inventors: Hiromichi UMEHARA, Keita KAWAMORI, Kenzo MAKINO, Masachika HASHINO
  • DEVICES AND METHODS FOR FLOW CONTROL IN A MICROFLUIDIC SYSTEM
    Publication number: 20240091772
    Abstract: A microfluidic device and a method for flow control of cells or particles in a microfluidic channel are disclosed. The microfluidic device may include a substrate having an outlet channel. The microfluidic device may also include a microfluidic channel arranged on the substrate such that an outlet of the microfluidic channel is positioned above the outlet channel. The microfluidic device may further include a set of piezoelectric actuators arranged above the outlet channel and adjacent to the outlet, the set of piezoelectric actuators configured to eject a portion of a fluid out of the microfluidic channel via the outlet.
    Type: Application
    Filed: September 13, 2023
    Publication date: March 21, 2024
    Applicant: TDK Corporation
    Inventor: Manish Giri
  • MAGNETIC SENSOR
    Publication number: 20240094315
    Abstract: A magnetic sensor includes an MR element. The MR element includes a free layer. The free layer has a first surface having a shape that is long in one direction and a second surface located opposite the first surface, and has a thickness that is a dimension in a direction perpendicular to the first surface. The first surface has a first edge and a second edge located at both lateral ends of the first surface. In a given cross section, the thickness at the first edge is smaller than the thickness at a predetermined point on the first surface between the first edge and the second edge.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 21, 2024
    Applicant: TDK CORPORATION
    Inventors: Hirokazu TAKAHASHI, Kenzo MAKINO
  • MAGNETO RESISTIVE ELEMENT
    Publication number: 20240099152
    Abstract: A magneto resistive element includes a first ferromagnetic layer, a second ferromagnetic layer, a nonmagnetic layer, and a buffer layer. The nonmagnetic layer is between the first ferromagnetic layer and second ferromagnetic layer. The buffer layer is in contact with the first ferromagnetic layer. The first ferromagnetic layer contains a Heusler alloy containing Co. The buffer layer contains at least a first atom, a second atom, and a third atom other than Co as main components. The buffer layer does not contain Co or contains Co at a proportion less than a compositional proportion of the first atom, the second atom, and the third atom. In a case where an atomic radius of any one atom of the first atom, the second atom, and the third atom is taken as a reference, an atomic radius of another atom thereof is 95% or less or 105% or more of the reference.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 21, 2024
    Applicant: TDK CORPORATION
    Inventors: Kazuumi INUBUSHI, Katsuyuki NAKADA, Shinto ICHIKAWA
  • Coil device
    Patent number: 11935679
    Abstract: A coil device includes: a core including a winding core part and a flange part at an axial end part of the winding core part, a coil part including a first wire and a second wire wound around the winding core part, a first terminal electrode, formed on a flange part mounting surface and a lead-out part of the first wire is connected, and a second terminal electrode, formed on the mounting surface of the flange part spaced apart from the first terminal electrode and a lead-out part of the second wire is connected, in which the flange part includes a concave part, recessed from the upper surface of the flange part and from an outer end surface of the flange part in order to have bottoms. The coil device is easy to connect a wire and has excellent bonding strength even when the connecting part becomes the mounting surface.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: March 19, 2024
    Assignee: TDK CORPORATION
    Inventors: Yoshihiro Kawasaki, Munehito Nishimura, Setu Tsuchida
  • Hybrid polymer aluminum electrolytic capacitor and method of manufacturing a capacitor
    Patent number: 11935707
    Abstract: In an embodiment, a capacitor includes a winding element having a diameter of more than 10 mm, at least two tabs electrically contacted with an anode foil and at least two tabs electrically contacted with a cathode foil, wherein the capacitor is a hybrid polymer aluminum electrolytic capacitor, wherein the winding element is arranged inside a can having a can bottom, and wherein the can comprises a corrugation which fixes the winding element.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: March 19, 2024
    Assignee: TDK Electronics AG
    Inventors: Norbert Will, László Dobai, Péter Kerepesi, Csaba Tóth
  • Laminated electronic component with differing glass content electrodes
    Patent number: 11935700
    Abstract: A laminated electronic component includes an element body formed by laminating an insulating layer and having a bottom surface used as a mounting surface, and a bottom surface electrode formed on the bottom surface of the element body and containing glass and a sintered metal. The bottom surface electrode includes a first electrode layer and a second electrode layer formed on the element body side from the first electrode layer, an edge portion of the second electrode layer is covered with an overcoat layer which is a part of the element body, the first electrode layer is laminated on the second electrode layer with the overcoat layer interposed therebetween, and a content of glass in the first electrode layer is larger than a content of glass in the second electrode layer.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: March 19, 2024
    Assignee: TDK CORPORATION
    Inventors: Noriyuki Saito, Osamu Hirose, Toru Yoshida, Yoshinori Sato, Akira Suda, Akira Nakamura
  • Driving mechanism for optical element
    Patent number: 11934034
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, a driving assembly, and an assist assembly. The movable portion is used for connecting to an optical element having a main axis. The movable portion is movable relative to the fixed portion. The driving assembly drives the movable portion to move relative to the fixed portion. The assist assembly limits the movement of the movable portion relative to the fixed portion.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: March 19, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chen-Hsien Fan, Yueh-Lin Lee, Yu-Chiao Lo, Sung-Mao Tsai, Shang-Hung Chen
  • Optical mechanism
    Patent number: 11934035
    Abstract: An optical mechanism is provided, including a housing, a base, and a metal supporting member. The housing has a top cover and a sidewall connected to the top cover, wherein the top cover and the sidewall comprises plastic material. The base is connected to the housing, wherein an optical element is accommodated in a space between the housing and the base. At least a part of the metal supporting member is embedded in the housing.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: March 19, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chien-Lun Huang, Shou-Jen Liu, Chia-Pin Hsu, Sin-Jhong Song
  • Coil module
    Patent number: 11936198
    Abstract: A wireless device is provided and includes a substrate, a first coil and a second coil. The first coil is configured to be wound around a first axis, and the first coil is disposed on the substrate and is configured to operate in a wireless charging mode. The second coil is disposed on the substrate and configured to operate in a wireless communication mode. The wires of the second coil partially overlap the wires of the first coil.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: March 19, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Feng-Lung Chien, Hsiang-Hui Hsu, Chien-Hung Lin
  • Optical system
    Patent number: 11934027
    Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: March 19, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chih-Wei Weng, Chia-Che Wu, Chien-Yu Kao, Hsiao-Hsin Hu, He-Ling Chang, Chao-Hsi Wang, Chen-Hsien Fan, Che-Wei Chang, Mao-Gen Jian, Sung-Mao Tsai, Wei-Jhe Shen, Yung-Ping Yang, Sin-Hong Lin, Tzu-Yu Chang, Sin-Jhong Song, Shang-Yu Hsu, Meng-Ting Lin, Shih-Wei Hung, Yu-Huai Liao, Mao-Kuo Hsu, Hsueh-Ju Lu, Ching-Chieh Huang, Chih-Wen Chiang, Yu-Chiao Lo, Ying-Jen Wang, Shu-Shan Chen, Che-Hsiang Chiu
  • HIGH-VOLTAGE FEEDTHROUGH CAPACITOR
    Publication number: 20240087816
    Abstract: A high-voltage feedthrough capacitor includes: a capacitor including an element body in which a through hole extending is formed, and a first electrode and a second electrode disposed facing each other on the element body; a feedthrough conductor inserted through the through hole and electrically connected to the first electrode; a grounding fitting electrically connected to the second electrode; and a first case and a second case. The element body includes: a first end face and a second end face; a first protruding part in which the through hole opens, the first protruding part being provided on the first end face; and a second protruding part in which the through hole opens, the second protruding part being provided on the second end face. The first case is attached to the first protruding part. The second case is attached to the second protruding part.
    Type: Application
    Filed: September 12, 2023
    Publication date: March 14, 2024
    Applicant: TDK CORPORATION
    Inventors: Hisashi TANAKA, Yuta KAMO
  • COIL COMPONENT AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20240087798
    Abstract: A coil component includes a coil configured of a winding, an exterior body provided to cover the coil, and a terminal part configured to be continuous with the winding. A proximal end portion of the terminal part is buried in the exterior body. A distal end portion ahead of the proximal end portion is bent from the proximal end portion and located outside a mounting surface of the exterior body along the mounting surface.
    Type: Application
    Filed: April 20, 2023
    Publication date: March 14, 2024
    Applicant: TDK CORPORATION
    Inventors: Junichiro URABE, Toshinori MATSUURA, Hajime KATO, Shintarou KOIKE, Kazushige TOHTA, Takuto KAZAMA, Masashi GOTOH