The ụkpụrụ nke aka foil technology bụ nke projected capacitive ihuenyo, esịnede abụọ transperent film n'ígwé, grid matrix oyi akwa mejupụtara metal ahịrị crisscrossing X na Y axes, onye ọ bụla matrix na-etolite a sensọ unit nke nwere ike ịhụ na aka nke mmadụ aka, foil aka bụ naanị ọhụrụ usoro nke nwere ike nweta curved, n'ụzọ zuru ezu transperent, n'ụzọ zuru ezu, mgbochi mmiri, mgbochi-enweghị nnyonye anya, mgbochi-enweghị nnyonye anya na etiti.