An IC card including a circuit, electronic parts, and an I/O portion mounted on a circuit board integrally formed on a frame at its periphery. The circuit board, the circuit, and the electronic parts are hermetically sealed, except for a portion of the I/O portion, and the frame is filled with synthetic...http://www.google.fr/patents/US5184209?utm_source=gb-gplus-shareBrevet US5184209 - IC card and manufacturing method therefor