Metal Domes , Snap Domes , Tactile Domes

Metal domes is a stainless steel normally open switch accessory , also known as : tactile metal domes , metal snap domes , tactile domes , dome switchs , click domes , snap domes and so on .
Metal domes have excellent conductivity , Good touch on the keys and long life . It is often used in various electronic products such as membrane switches , metal keyboards , and PCB board assemblies .
The metal dome on the membrane button is located on the conductive part of the PCB board . When pressed , the center point of the dome is concave and contacts the line on the PCB , thereby forming a loop . After the pressure is cancelled , the dome can be automatically returned , the circuit Disconnected , thus forming a switch function .
According to the shape , the dome can be divided into cross domes (also known as four-corner domes , four-leg domes) , round domes , Triangle domes , oblong domes , and others shape domes , etc .
The size of the dome is from 3mm to 20mm , and the trip force from 80g to 800g . According to the type of product coating , the dome can be divided into stainless steel domes , gold-plated domes , nickel-plated domes and so on . A wide range of pots and chips can meet the needs of different products .