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George E. Smith and Willard Boyle introduced the charge-coupled device, which stores information as electric charge packets in movable potential wells at a semiconductor surface. Changing electrode potentials transfers a packet to a neighboring storage region. Their 1970 paper describes electric charge creation, transfer and detection, and proposes both information-processing and imaging applications. The same electrical mechanism can therefore shift a stored signal through a device or carry light-generated electric charge toward a detector.^[ref]

A physicist researching semiconductor devices.^[ref]

Willard Boyle and George E. Smith devised the charge-coupled device around controlled storage and movement of electric charge. Adjacent electrodes create potential wells in a semiconductor; timed changes of their voltages move stored electric charge between the wells. The 1970 proposal treats electric charge packets as information and discusses a shift register as well as an imaging device. This links electrostatic control of a surface to the transport and detection of an optical signal.^[ref]

A physicist researching lasers and semiconductor devices.^[ref]