Patent
1985-09-05
1987-05-19
Edlow, Martin H.
357 58, H01L 2712
Patent
active
046672117
ABSTRACT:
An electronic oscillator being operable to detect millimeter wave and infrared frequency output signals over the range of 1-1000 GHz consists of a semiconductor device having a structure comprised of a first planar doped barrier region separated from a second planar doped barrier region by a superlattice region. Upon the application of a uniform electric field, the first planar doped barrier region operates as a means for injecting electrons into the superlattice region which then traverse to the second planar doped barrier region which operates as means for receiving the electrons. During transit through the superlattice region, the electrons undergo an oscillatory motion thereby making possible the detection of signals whose frequency is a function of the applied voltage and the periodic spacing of the superlattice.
REFERENCES:
patent: 4410902 (1983-10-01), Malik
patent: 4442445 (1984-04-01), Malik et al.
patent: 4539581 (1985-09-01), Malik et al.
Physical Review Letters, 19 Aug. 1974, vol. 33, No. 8, pp. 495-498, L. Es, "New Transport . . . Superlattice" Discloses Superlattice, J. Vac. Sci. Technol., Sep./Oct., 1973, vol. 10, No. 5, p. 655, Structures Grown by Molecular Beam Epitaxy, L. L. Chang.
Superlattices and Microstructures, vol. 1, No. 2, 1985, published Sep. 1984, "On the Existence . . . Superlattices" discusses Bloch Oscillations, R. Grondin, et al.
Au Coin Thomas
Iafrate Gerald J.
Malik Roger J.
Edlow Martin H.
Kanars Sheldon
Murray Jeremiah G.
Rehberg John T.
The United States of America as represented by the Secretary of
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