Technologist Marie-Noelle Chambre inspects small disks containing new Motorola microcontroller chips to be used in "smart card" integrated circuits on electronically active intelligent credit cards. The disks are made at Bull Co.'s facility in Trappes, France. Motorola recently made microcomputers available for use by U.S. cardmakers. At the present time, more than 20 million Europeans use these cards in varied applications such as money transfers, portable health records and pay television.