Sensing resistor membrane sensor switches for medical electrode pads


Sensing resistor membrane sensor switches for medical electrode pads 


A Force Sensing Resistor (FSR) is a variable resistor in which resistance decreases when pressure is applied.


In simple terms, the device is made of a circuitry layer, printed with a conductive ink (typically silver) and a force sensing layer, printed with a pressure sensitive ink.

The two layers are separated by a spacer.

The key ingredient is the pressure sensitive ink, which is customized to meet the application requirements.


Force sensing can be used as a simple potentiometer or a pressure sensor. It can be incorporated in a touchpad or a force measuring device.

More complex applications include medical, musical instruments and automotive seat detector.

Central Midori has been manufacturing force sensors for more than 6 years.


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