Patents Assigned to TDK-MICRONAS GMBH
  • Patent number: 10006969
    Abstract: A sensor device is provided for suppressing a magnetic stray field, having a semiconductor body with a surface formed in an x-y plane, the x-direction and the y-direction are formed orthogonal to one another, and the sensor device has a first pixel cell and a second pixel cell integrated into the surface of the semiconductor body. A first magnetic field sensor detects a magnetic field in the x-direction and a second magnetic field sensor detects a magnetic field in the y-direction. The two pixel cells in a projection along an imaginary lengthening of the axis are arranged at an edge or next to an extension of the magnet in the x-y plane.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: June 26, 2018
    Assignee: TDK-Micronas GmbH
    Inventors: Timo Kaufmann, Joerg Franke
  • Publication number: 20180172780
    Abstract: A calibration method for a Hall sensor having a Hall sensitive layer with four electrical contacts and a first field plate, wherein, at a first temperature and at a first magnetic flux density, a resistance value of the Hall sensitive layer is determined for each of at least three different field plate voltages present at the field plate, a calibration curve is produced from the at least three resistance values, a deviation value of the calibration curve is determined from a reference calibration curve, and the field plate voltage that is present at the first field plate or an operating voltage that is present at the sensitive layer is readjusted by a correction value corresponding to the deviation value.
    Type: Application
    Filed: December 15, 2017
    Publication date: June 21, 2018
    Applicant: TDK-Micronas GmbH
    Inventors: Timo KAUFMANN, Joerg FRANKE
  • Patent number: 9989598
    Abstract: A method for dynamic noise reduction of magnetic field sensor signals of a magnetic field sensor circuit with a magnetic field sensor and a switching device, wherein the magnetic field sensor provides a sensor signal to a sensor output, and wherein the switching device comprises a signal comparator, a low pass filter and a multiplexer, and wherein the switching device comprises a signal input interconnected with the sensor signal output and a signal output, and wherein the signal comparator has a first input interconnected with the signal input and a second input interconnected with the low pass filter, and a control signal output interconnected with the multiplexer. In a first method step, the sensor signal is compared to the level of a signal of the low pass filter by means of the signal comparator, and the result is compared to a predetermined threshold value.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: June 5, 2018
    Assignee: TDK-Micronas GmbH
    Inventors: Rolf Hakenes, Stefan Keller
  • Publication number: 20180130729
    Abstract: An IC package having a semiconductor body that includes a monolithically integrated circuit and at least two metallic contact surfaces. The integrated circuit being connected to the two electrical contact surfaces via printed conductors, and being disposed on a carrier substrate and connected to the carrier substrate in a force-fitting manner. The carrier substrate including at least two terminal contacts that are connected to the two contact surfaces. The semiconductor body and the carrier substrate being covered by a casting compound forming one part of the IC package. A section of each of the two terminal contacts penetrating the IC package. The two terminal contacts being disposed on the carrier substrate, and each terminal contact and the carrier substrate disposed beneath the particular terminal contacts having a hole-like formation. The particular hole-like formation being designed as a through-connection for providing an electrical connection to another electrical component.
    Type: Application
    Filed: January 5, 2018
    Publication date: May 10, 2018
    Applicant: TDK-Micronas GmbH
    Inventors: Klaus HEBERLE, Joerg FRANKE, Thomas LENEKE
  • Patent number: 9933495
    Abstract: A sensor device for suppressing a magnetic stray field, having a semiconductor body, a first pixel cell and a second pixel cell integrated into a surface of the semiconductor body together with a circuit arrangement. Each pixel cell has a first magnetic field sensor and a second magnetic field sensor to detect a magnetic field in the x-direction and a magnetic field in the y-direction. The first pixel cell is spaced apart from the second pixel cell along a connecting line, and the substrate and the semiconductor body are disposed in the same IC package. A magnet is provided that has a planar main extension surface in the direction of an x-y plane and has a magnetization with four magnetic poles in the direction of the x-y plane. The IC package is spaced apart from the main extension surface of the magnet in the z-direction and at least partially within a ring magnet.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: April 3, 2018
    Assignee: TDK-Micronas GmbH
    Inventors: Timo Kaufmann, Joerg Franke, Andreas Ring
  • Patent number: 9933279
    Abstract: An apparatus 10 for the contactless measurement of a rotation angle 15 is described. A permanent magnet 60 having a number of poles, wherein the number of poles amounts to four or more and cannot be divided by three, is mounted on the front of an axle. In a plane below the permanent magnet 16 at least three first lateral Hall sensors 40a-c are located in a circular path 50. A method for calculation the rotation angle 15 with the aid of the lateral Hall sensors 40a-40c is also described.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: April 3, 2018
    Assignee: TDK-MICRONAS GMBH
    Inventor: David Muthers
  • Publication number: 20180054008
    Abstract: A contacting device having a carrier and at least one contacting unit, wherein the carrier has a bottom side and a top side, the top side of the carrier having a plurality of mutually insulated conductive tracks, the contacting unit having a plurality of contact elements that at least partially are formed of an electrically conductive material and in each case are mutually electrically insulated, each contact element along a longitudinal axis being composed of at least one fixing section and a contacting portion adjoining the fixing section, each fixing section being supported on the top side of the carrier, having a first contact surface and being positively and conductively connected to one of the conductive tracks, each contacting portion having a distance to the top side varying between zero and a maximum distance.
    Type: Application
    Filed: August 16, 2017
    Publication date: February 22, 2018
    Applicant: TDK - Micronas GmbH
    Inventors: Timo KAUFMANN, Johannes GUTMANN, Mike KUNZE, Klaus HEBERLE, Till FEGER
  • Patent number: 9893005
    Abstract: An IC package having a semiconductor body that includes a monolithically integrated circuit and at least two metallic contact surfaces. The integrated circuit being connected to the two electrical contact surfaces via printed conductors, and being disposed on a carrier substrate and connected to the carrier substrate in a force-fitting manner. The carrier substrate including at least two terminal contacts that are connected to the two contact surfaces. The semiconductor body and the carrier substrate being covered by a casting compound forming one part of the IC package. A section of each of the two terminal contacts penetrating the IC package. The two terminal contacts being disposed on the carrier substrate, and each terminal contact and the carrier substrate disposed beneath the particular terminal contacts having a hole-like formation. The particular hole-like formation being designed as a through-connection for providing an electrical connection to another electrical component.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: February 13, 2018
    Assignee: TDK-Micronas GmbH
    Inventors: Klaus Heberle, Joerg Franke, Thomas Leneke
  • Publication number: 20180038920
    Abstract: A sensor unit for detecting an encoder at a predefined position, having a circuit device and a threshold signal present at the circuit device, and a magnetic field sensor. The magnetic field sensor has a supply and ground terminal and first and second outputs, and outputs an analog sensor signal that is dependent on the distance of the encoder, and a supply unit connected to the supply terminal of the magnetic field sensor, the supply unit having a control input, and the circuit device is connected to the magnetic field sensor. The circuit device is configured to provide the sensor signal as an amplified signal value, and the circuit device is configured to determine an amount from the difference between the amplified signal value and the threshold signal and to control the amplification of the signal value and the supply unit as a function of the magnitude of the amount.
    Type: Application
    Filed: August 3, 2017
    Publication date: February 8, 2018
    Applicant: TDK - Micronas GmbH
    Inventor: Joachim RITTER
  • Publication number: 20180031391
    Abstract: A measuring system for determining the position of a transducer along a z-direction, having a semiconductor body having a surface, a back surface, at least one connection contact and at least one magnetic field sensor which is sensitive in the z-direction, a carrier having a front side, rear side and electrically conductive regions, a magnet for producing a magnetic field, having a first magnetic pole formed along a first surface and an axis of symmetry extending perpendicular to the first surface, wherein between at least one connection contact of the semiconductor body and at least one conductor track of the carrier, there is an electrical operative connection, the first surface of the magnet being arranged parallel to the z-direction and the axis of symmetry of the magnet being arranged perpendicular to the z-direction, the transducer having an end face facing the magnetic field sensor.
    Type: Application
    Filed: July 31, 2017
    Publication date: February 1, 2018
    Applicant: TDK - Micronas GmbH
    Inventors: Joerg FRANKE, Timo KAUFMANN
  • Publication number: 20180031643
    Abstract: A measuring system having a magnetic device for generating a magnetic field and at least one magnetic field sensor for detecting a flux density of the magnetic field, at least in a first spatial direction. The magnetic device has a top side facing the magnetic field sensor, the magnetic field sensor is spaced apart from the top side of the magnetic device, the magnetic device has a main magnet, having two poles, with a main magnetizing direction for generating a main magnetic field and at least one secondary magnet, having two poles, with a secondary magnetization direction for generating a secondary magnetic field, the main magnet has larger dimensions than the at least one secondary magnet, the magnetic field is formed by superposition of the main magnetic field and the secondary magnetic field, the secondary magnetic field at least partially compensates the main magnetic field in the first spatial direction.
    Type: Application
    Filed: August 1, 2017
    Publication date: February 1, 2018
    Applicant: TDK - Micronas GmbH
    Inventors: Timo KAUFMANN, Joerg FRANKE
  • Patent number: 9880024
    Abstract: A measurement device for determining an angular position, having a magnet device and a sensor device that are rotatable relative to one another. The magnet device has a first north pole face of a first magnetic north pole and a first south pole face of a first magnetic south pole. The magnet device has a second north pole face of a second magnetic north pole and a second south pole face of a second magnetic south pole. The sensor device is located in a region between the first north pole face and the first south pole face and between the second north pole face and the second south pole face. The sensor device has a first magnetic field sensor and a second magnetic field sensor. The first magnetic field sensor and the second magnetic field sensor are spaced apart from one another for ascertaining a magnetic field difference.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: January 30, 2018
    Assignee: TDK-Micronas GmbH
    Inventors: Timo Kaufmann, Joerg Franke
  • Patent number: 9871505
    Abstract: A voltage-resistant switch is described. The switch comprises a signal input, a first FET transistor with a first channel with an extended drain and a first gate connector and a second FET transistor with a first channel with an extended drain and a second gate connector. A control signal connector is connected with the first gate connector and with the second gate connector via a second node and with the first channel and the second channel via a second resistor, and a signal connector is connected with the second channel. The voltage-resistant switch can be switched on and off.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: January 16, 2018
    Assignee: TDK-Micronas GmbH
    Inventor: Thomas Desel
  • Patent number: 9857417
    Abstract: A climate chamber for measuring electronic circuits, having a housing that includes an interior space and an opening. The interior space is at least thermally insulated from the surroundings by the housing. Two movable jaws each have an end face. An interior space in a region of an opening is distanced from the surroundings according to the thickness of the jaws, and the jaws each comprise a thermal insulation layer, and each jaw has a front side facing the surroundings and a back side facing the interior space. The two jaws are spaced apart by a clear width being formed between the two end faces, so that the circuits disposed on a carrier can be introduced into the climate chamber and in a second state, the opening for the protection of the interior space is sealed against ambient conditions.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: January 2, 2018
    Assignee: TDK-Micronas GmbH
    Inventor: Johannes Gutmann
  • Patent number: 9851419
    Abstract: A Hall sensor including multiple Hall elements which have a first terminal contact and a second terminal contact and a third terminal contact, the multiple Hall elements being electrically connected in series. The first terminal contacts and the third terminal contacts of the individual Hall elements are connected to each other, and the second terminal contacts of the Hall elements are supply voltage terminals or as Hall voltage taps. A beginning of a first branch being electrically connected in series to an end of a second branch, in such a way that the direction of the current flow through the Hall elements of the first branch is counter to the direction of the current flow through the Hall elements of the second branch.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: December 26, 2017
    Assignee: TDK-Micronas GmbH
    Inventors: Maria-Cristina Vecchi, Martin Cornils
  • Patent number: 9810553
    Abstract: A measurement system having a first magnetic field sensor and having a magnet for generating a magnetic field, in which the magnet has a first pole face and a second pole face, wherein an axis of rotation is defined perpendicular to the first pole face and perpendicular to the second pole face, wherein the magnet is supported for rotation about the axis of rotation, in which the first magnetic field sensor is positioned facing the first pole face and at a distance from the axis of rotation, in which the magnet has a rotational asymmetry of the flux density in the region of the first pole face, wherein the flux density of the magnet in the first magnetic field sensor can be adjusted between a maximum and a minimum by rotation of the magnet about the axis of rotation.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: November 7, 2017
    Assignee: TDK-Micronas GmbH
    Inventor: Yan Bondar
  • Patent number: 9797958
    Abstract: A monitoring system having a monitoring unit and a circuit element that are integrated in an enclosure for protecting connections between the monitoring unit and the circuit element. The monitoring unit monitors the circuit element via a first electrical quantity, and the monitoring unit has a control unit and a first circuit unit and a second circuit unit. The first current is essentially or precisely equal in amplitude to the first current, and the first current and the second current flow simultaneously in the two line sections. The first current direction is opposite to the second current direction, and the first circuit unit ascertains a first voltage drop at the first line section, and the second circuit unit ascertains a second voltage drop at the second line section. The control unit ascertains the first electrical quantity from the first voltage drop and the second voltage drop.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: October 24, 2017
    Assignee: TDK-Micronas GmbH
    Inventor: Stefan Albrecht
  • Patent number: 9780470
    Abstract: A contact device system having a plate-shaped carrier and at least five accommodating areas are disposed on a bottom side of the pressing unit, at least five accommodating areas and at least five contact area pairs are disposed on a top side of the carrier. The contact area pairs each have a first and second electrically conductive contact area, and in each case the first contact area is spaced apart from the second contact area and insulated electrically therefrom. The first and second contact areas have a functional electrical connection to an evaluation circuit via a trace section. The carrier has a plurality of accommodating areas for a packaged electronic component, that each have one of the at least five contact area pairs. The electronic components have at least two terminal contacts, whereby after accommodation of the packaged electronic components, the terminal contacts of the particular component are pressed down.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: October 3, 2017
    Assignee: TDK-Micronas GmbH
    Inventors: Johannes Gutmann, Timo Kaufmann, Klaus Heberle, Mike Kunze, Till Feger, Georg Sammel
  • Publication number: 20170254668
    Abstract: A position determining sensor unit having a number of sensors arranged at predetermined positions along a path, and a transducer. The transducer has a first end which is moveable at least along the entire path, and a length running parallel to the path. Each sensor has a first supply voltage connection, a second supply voltage connection and a switching output, and wherein the switching output is switched into an On-state or an Off-state as a function of the threshold value of a sensor signal being exceeded or undershot. The supply voltage connection of each sensor is connected to a supply voltage, and a first sensor is arranged at a beginning of the path and a last sensor is arranged at an end of the path so that the second supply voltage connection of the first sensor is connected to a reference potential and the first sensor has a power consumption.
    Type: Application
    Filed: March 3, 2017
    Publication date: September 7, 2017
    Applicant: TDK - Micronas GmbH
    Inventors: Joerg FRANKE, Klaus HEBERLE
  • Publication number: 20170254669
    Abstract: A position determining unit is provided that has a number of sensor units arranged at positions along a path, and a transducer. Each sensor unit has a carrier, a first and second supply voltage connection, a switching output, a measuring unit and a bias magnet comprising two poles. The measuring unit is arranged on the carrier and has at least one magnetic field sensor, wherein the switching output is switched into an On or Off-state as a function of a threshold value exceeding or falling short of a sensor signal. The first supply voltage connection of each sensor unit is connected to a supply voltage, wherein a first sensor unit is arranged at a beginning of the path and a last sensor unit is arranged at the end of the path. The second supply voltage connection of the first sensor unit is connected to a reference potential.
    Type: Application
    Filed: March 3, 2017
    Publication date: September 7, 2017
    Applicant: TDK - Micronas GmbH
    Inventors: Joerg FRANKE, Klaus HEBERLE