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Class Information
Number: 257/E47.004
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Bulk negative resistance effect devices, e.g., gunn-effect devices, processes, or apparatus peculiar to manufacture or treatment of such devices, or of parts thereof (epo) > Gunn-effect devices or transferred electron devices (epo) > Gunn diodes (epo)
Description: This subclass is indented under subclass E47.002. This subclass is substantially the same in scope as ECLA classification H01L47/02C.










Patents under this class:

Patent Number Title Of Patent Date Issued
6686647 Gunn diode and method of manufacturing the same Feb. 3, 2004
6611002 Gallium nitride material devices and methods including backside vias Aug. 26, 2003
6514832 Gunn diode, NRD guide Gunn oscillator, fabricating method of Gunn diode and structure for assembly of the same Feb. 4, 2003
6426511 Gunn diode, NRD guide gunn oscillator, fabricating method of gunn diode and structure for assembly of the same Jul. 30, 2002
6369663 NRD guide Gunn oscillator Apr. 9, 2002
6344658 Gunn diode, NRD guide gunn oscillator, fabricating method of gunn diode and structure for assembly of the same Feb. 5, 2002
6111265 Gunn diode having a graded aluminum gallium arsenide active layer and Gunn diode oscillator Aug. 29, 2000
5675157 Transferred electron effect device Oct. 7, 1997
5311034 Indium phosphide Gunn diode with dopant gradient May. 10, 1994
5258624 Transferred electron effect device Nov. 2, 1993
5256579 Tunable-frequency Gunn diodes fabrication with focused ion beams Oct. 26, 1993
5250815 Hot electron injector Gunn device with anode heat sink Oct. 5, 1993
5145809 Fabrication of gunn diode semiconductor devices Sep. 8, 1992
4978928 High frequency, frequency multiplier using parallel Gunn diodes Dec. 18, 1990
4879581 Transferred electron device with periodic ballistic regions Nov. 7, 1989
4801982 Electronic devices Jan. 31, 1989
4649405 Electron ballistic injection and extraction for very high efficiency, high frequency transferred electron devices Mar. 10, 1987
4539581 Planar doped barrier transferred electron oscillator Sep. 3, 1985
4417261 Transferred electron devices Nov. 22, 1983
4331967 Field effects semiconductor devices May. 25, 1982
4238763 Solid state microwave devices with small active contact and large passive contact Dec. 9, 1980
4189342 Semiconductor device comprising projecting contact layers Feb. 19, 1980
4134122 Hyperfrequency device with gunn effect Jan. 9, 1979
4006490 Cathode for gunn diode and gunn diode comprising such a cathode Feb. 1, 1977
3981073 Lateral semiconductive device and method of making same Sep. 21, 1976
3977015 Silver, gallium, and oxygen contact for indium phosphide Aug. 24, 1976











 
 
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