Superconductor technology: apparatus – material – process – Apparatus – per se – device – per se – or process of making or... – Amplifier:
Patent
1987-11-27
1989-04-11
Moore, David K.
Superconductor technology: apparatus, material, process
Apparatus, per se, device, per se, or process of making or...
Amplifier:
315 35, 315 36, 315 393, 330 43, 330 44, 331 82, 331 86, 505 1, 505826, 505866, 505853, H01J 2542, H01J 2544
Patent
active
048206881
ABSTRACT:
Microwave oscillators and amplifiers which utilize a superconducting slow-wave circuit. The slow circuit is made from materials which exhibit superconductivity at relatively high critical temperatures. The slow wave circuit is integral with the device's vacuum housing. Coolant exterior to the vacuum housing maintains the circuit in the superconducting state. The slow-wave circuit, which protrudes into the vacuum housing provides modulation of an electron beam which traverses the interior of the vacuum housing. Output power is ultimately extracted from the slow wave circuit.
REFERENCES:
patent: 4347419 (1982-08-01), Jasper, Jr.
"Superconductivity-A Revolution Beckons Microelectronics" Microwaves & R. F., Jul. 1987, pp. 35-42.
New York Times, Mar. 20, 87, "Discoveries Bring a `Woodstock` for Physics".
Electronics, Apr. 2, 87, "Superconductivity Drive Gets Hotter Every Day".
Physics Today, Apr. '87, "Superconductivity Seen Above the Boiling Point of Nitrogen".
Physical Abstracts, p. 13, vol. 18, No. 8, Apr. 15, 1987.
Physical Review Letters, pp. 1676-1679, Apr. 20, 1987, vol. 58, No. 16.
Physical Review Letters, pp. 2684-2686, 22 Jun. 1987, vol. 58, No. 25.
Asbury Park Press, May 3,1987, "IBM Scientists Now `Spray-Painting` High-Temperature Superconductors".
IEEE Transactions on Electron Devices, vol. ED. 24, No. 1, Jan. 1977, pp. 13-21, "Broad-Band Injected-Beam Crossed-Field Amplifiers" Traveling-Wave Tubes by J. R. Pierce-1950 Edition.
"Space-Charge Waves and Slow Electromagnetic Waves" by A. H. W. Beck 1958 Edition.
Kanars Sheldon
Moore David K.
Powell Mark R.
Rehberg John T.
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