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  • Dielectric Materials for Use in Radomes
    , frequency, and inorganic filler composition. For this reason, dielectric constants for a variety of materials shown below were tested. In general, the dielectric constant increases minimally with density and is known to increase with higher temperatures. All loss tangent was between 0.003 to 0.030
  • Electrical Properties of Plastics
    Electrical properties of plastics, including arc resistance, dielectric constant, etc.
  • No-static plastics
    . The main goal with ESD materials is controlling the charge during an ESD event. The best materials for the job are conductive with a high dielectric constant. Ordinary plastics are insulators, materials that prevent the flow of electrons across their surfaces or through their volumes. This contrasts
  • Capacitive sensors
    electrostatic field. A nonmetallic target entering the field increases the dielectric constant between the plates, raising the amplitude of the oscillations. The higher amplitude triggers a level detection circuit to turn the output of the sensor on. It turns off again when the target leaves
  • Layout and Physical Design Guidelines for Capacitive Sensing
    , but the dielectric constants are on the order of 2- adjacent buttons. When a person touches a sensor, or 3 for acrylics and about 7 for window glasses. Other its covering plate (plastic, glass, etc.), the person's fin- notable substances have dielectric constants of 1 for air ger
  • Proximity Sensors
    be suitable for a plastic target; an inductive sensor requires a metal target. In capacitive proximity sensors, the sensed object changes the dielectric constant between two plates. Sensing range is usually quoted relative to water. Because changes in capacitance take a relatively long time

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