What is the metal snap dome? Metal snap dome(also name metal dome, snap dome), which is made ??of stainless steel. the thickness is between 0.05mm to 0.20mm. The metal dome is an important part of the switch. metal snap dome is mainly used in membrane switch, key switches, PCB board, FPC board, medical devices and other products.
Metal snap dome works theory is: When they placed the switch position, and you press down to contact with PAD of PCB circuit board, so that the circuits is conducted.
Metal snap dome has divided into four items: round snap dome, four-leg snap dome, triangle snap dome, oblong snap dome. Diameters from 3mm to 20mm, and the range of the force from 100g to 600g.
According to your need to choose different types of metal snap dome.
