Method and apparatus for propagatng potential inversion wells

Details Method and apparatus for propagatng potential inversion wells Method and apparatus for propagatng potential inversion wells

1974-05-23

1976-11-16

Wojciechowicz, Edward J.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

333 84M, H01L 2978, H01P 300

Patent

active

039927164

ABSTRACT:
A slow wave stripline is disposed on the surface of a semiconductor, sandwiched between insulating layers, and covered by a ground plane, to thus form a waveguide structure. The electric field created by a r.f., electromagnetic wave propagated along the stripline establishes potential inversion wells in the surface of the semiconductor which propagate smoothly along with the wave. Minority carriers may be injected into selected wells to propagate therewith, where the presence or absence of such minority carriers represents 1 or 0 in binary notation. Practical applications include recirculating shift registers, logic arrangements, delay line memories, and optical image sensing or generating devices. In the latter two applications a matrix is developed by intersecting a meandering stripline with heavily doped strips in the semiconductor surface to maintain potential well separation between the matrix rows.

REFERENCES:
patent: 3270241 (1966-08-01), Vural
patent: 3697786 (1972-10-01), Smith
patent: 3778643 (1973-12-01), Jaffe
patent: 3787823 (1974-01-01), Negishi
patent: 3858232 (1974-12-01), Boyle et al.

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