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Membrane switch with Electrostatic Shield, it is seted up electrostatic protection components (ESD) inside the device,。 The main principle is to use electromagnetic shielding to shield space electromagnetic interference, thereby reducing and eliminating electromagnetic interference from space. Generally, it is used in the fields and products that are with high requirements for electromagnetic interference EMI and EMC, such as laboratory equipment, scientific research equipment, military products. The membrane switch used in the above will use a shielded electrostatic membrane switch, which has complicated art and high cost, and it is especially suitable for products with requirements for anti- electromagnetic interference performance and low cost requirements.