Waterproof type membrane switch
1. Graphic overlay: PC ; Circuit layer: PET
3. Membrane switches mostly apply to Information Appliance, Remote Controller, Medical Device, Home Appliance, Handheld Device, Industrial Personal Computer (IPC), etc.
Capacitive Touch Keypad
1. PC graphic overlay, PET circuit layer, adhesive on the backside
2. Printing, Assembly, Through holes
3. Advantages: Durable, Temperature-resistant, Waterproof, Low cost…etc.
Embossed key type with metal dome membrane switches
1. PET graphic overlay, PET circuit layer, Metal dome
2. Tail: Connector with male pins
3. Quality of PET: High temp and corrosion resistant, and good flexibility and mechanism.
4. Printing, punching, assembly
5.Life time of the embossed key: 300,000 times