How it Works
Force-sensing resistors are an evolution of membrane switch technology, based on similar design principals and manufacturing techniques. The force sensor is essentially an analog, multi-position switch, while the membrane switch is simply ON/OFF.
What defines a force-sensing resistor is its unique characteristic of dynamic conductance / resistance relative to the amount of pressure applied to the device. In general, the more pressure applied to the surface of the sensor, the greater the conductance / the lower the resistance.

Force-sensing resistors are used for qualitative rather than quantitative or precision measurements. More information can be found in our FSR data sheets & integration guides.
Shunt Mode force sensors are the most frequently used design. They are constructed in two layers of flexible polymer. One layer is printed w

力感测电阻是膜开关技术的进化版,具备动态电导率/电阻特性,根据施加压力的大小变化。通常,传感器表面的压力越大,电导率越高,电阻越低。力感测电阻常用于定性而非定量测量,广泛应用于各种设计中,如不同材料、图案和配置的电极。其力与电阻的关系曲线呈对数型,包括断开力、面积效应和表面效应三个主要元素。
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