An Internet user transfers directly to a domain within an e-community without returning to a home domain or re-authenticating. Based on the invention, the hollow chamber between the diaphragm and the carrier device, which is required for the movement of the diaphragm, has been largely evacuated. The digital contents are encoded with encryption, the encoded contents are exchanged between the first electronic work environment and the second electronic work environment and the encoded contents are subsequently decoded by means of decryption pertaining to the digital contents. The assembled structure can be laid horizontally to save space when being equipped with associated components in an electronic device.