FAQ (-) Sensors and Sensor Systems Facet FAQ Search List - Product Categories L1 Temperature Protection Devices Temperature Sensors (NTC) Temperature Sensors (PTC) Level Sensors Humidity Sensors Surface Potential Sensors Toner Density / Quantity Sensors Gear Tooth Sensors Current Sensors Angle Sensors (-) Ultrasonic Sensors Facet FAQ Search List - Product Categories L2 Ultrasonic ToF (Time-of-Flight) Sensors Ultrasonic Sensor Disks Facet FAQ Search List - Product Categories L3 (-) Products Measurement Environmental Compatibility Operational descriptions by objective Structure, material Others Facet FAQ Search List - FAQ Category 1 Product Categories L1 Product CategoriesCapacitorsInductors (Coils)EMC ComponentsRF ComponentsVoltage / Current / Temperature Protection DevicesSensors and Sensor SystemsCeramic Switching / Heating, Piezo Components, Contactors, Buzzers and MicrophonesTransformersFerrites and AccessoriesPower SuppliesMagnets Product Categories L2 Product Categories Product Categories L3 Product Categories FAQ Category CategoriesProductsMeasurementElectrical CharacteristicsEnvironmental CompatibilityOperation manualOperational descriptions by objectiveProduct Quality and Service LifeReliabilityStructure, materialTechnical support toolsTroubleshootingOthersAbout myTDK Products Q. Is it possible to have plus and minus electrodes on the same side of the ultrasonic sensor disk? Ultrasonic Sensor Disks Q. Is it possible to achieve the same resonance frequency with smaller disc size? Ultrasonic Sensor Disks Q. What colors of the module are available? Ultrasonic Sensor Disks/Ultrasonic ToF (Time-of-Flight) Sensors