Tdk Corporation · TSE:6762

Tdk — Technical Presentation (February 2020)

11 slides from Tdk's technical presentation, February 2020

  1. Slide 1: Ultrasonic Sensor Disks – Touchless Sensing

    Ultrasonic Sensor Disks Touchless Sensing TDK Electronics AG Piezo and Protection Devices Business Group Product Marketing PTC Thermistors Munich, Germany February 2020

  2. Slide 2: Production plants

    Production plants Šumperk, Czech Republic Front-end, back-end ● Pressing ● Sintering ● Metalization ● Poling ● Electric Inspection ● AOI ● Outgoing Inspection Deutschlandsberg, Austria Powder ● Powder production © TDK Electronics AG  2020 Ultrasonic Sensor Disks ● Touchless Sensing PPD PTC PM  02/

  3. Slide 3: Description of piezoelectric effect

    Description of piezoelectric effect ● Direct: Pressure → voltage Ultrasonic sensor disk ● Indirect: Electric field → Expansion / contraction © TDK Electronics AG  2020 Ultrasonic Sensor Disks ● Touchless Sensing PPD PTC PM  02/2020  3

  4. Slide 4: Ultrasonic sensor disks technology advantages

    Ultrasonic sensor disks technology advantages ● Touchless sensing ● Emitting and sensing of ultrasonic waves possible ● Compact dimensions ● Usable for gases, liquids and for bulk materials © TDK Electronics AG  2020 Ultrasonic Sensor Disks ● Touchless Sensing PPD PTC PM  02/2020  4

  5. Slide 5: Company advantages ultrasonic sensor disks

    Company advantages ultrasonic sensor disks ● Customer specific geometries available ● Strong customer support during development ● Electrode shape with superior adhesion force ● Metalization process with superior product quality ● Allowing both contacts on the same side ● Production certified to aut

  6. Slide 6: Ultrasonic sensor disks portfolio

    Ultrasonic sensor disks portfolio Part number B59070Z0285D12* B59050Z0206A030 Type Diameter [mm] 7.0 5.0 Thickness [mm] 0.195 1.02 Serial resonance 285 2000 frequency [kHz] Capacitance [pF] 2000 300 © TDK Electronics AG  2020 Ultrasonic Sensor Disks ● Touchless Sensing PPD PTC PM  02/2020  6

  7. Slide 7: Ultrasonic sensor disks oscillation modes

    Ultrasonic sensor disks oscillation modes Radial oscillation modes Thickness oscillation AC Higher harmonic of thickness oscillation © TDK Electronics AG  2020 Ultrasonic Sensor Disks ● Touchless Sensing PPD PTC PM  02/2020  7

  8. Slide 8: Automotive applications for ultrasonic sensor disks

    Automotive applications for ultrasonic sensor disks Blind spot assist systems Park assist systems Anti-theft systems Level sensing in SCR or fuel tanks © TDK Electronics AG  2020 Ultrasonic Sensor Disks ● Touchless Sensing PPD PTC PM  02/2020  8

  9. Slide 9: Industrial applications for ultrasonic sensor disks

    Industrial applications for ultrasonic sensor disks Level sensing systems for Flow metering systems in gas Collision avoidance systems in fluids or bulk materials in silos or fluid tubes industrial transport robots © TDK Electronics AG  2020 Ultrasonic Sensor Disks ● Touchless Sensing PPD PTC PM 

  10. Slide 10: Checklist of design inputs

    Checklist of design inputs Mechanical parameters Electrical parameters Others Application medium (gas, fluid, bulk Dimensions (Dxth) Operating voltage (min, max) material) Packaging Contact method Operating current (min, max) Preferred serial resonance Contact material frequency Preferred electrode

  11. Slide 11: www.tdk-electronics.tdk.com

    www.tdk-electronics.tdk.com

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