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Class Information
Number: 333/247
Name: Wave transmission lines and networks > Long line elements and components > Strip type > Semiconductor mounts
Description: Subject matter wherein a strip-type board is used to hold or support a solid-state device such as a transistor.










Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
5075645 Matching circuit for high frequency transistor Dec. 24, 1991
5063177 Method of packaging microwave semiconductor components and integrated circuits Nov. 5, 1991
5057805 Microwave semiconductor device Oct. 15, 1991
5049978 Conductively enclosed hybrid integrated circuit assembly using a silicon substrate Sep. 17, 1991
5047829 Monolithic p-i-n diode limiter Sep. 10, 1991
5045820 Three-dimensional microwave circuit carrier and integral waveguide coupler Sep. 3, 1991
5023624 Microwave chip carrier package having cover-mounted antenna element Jun. 11, 1991
5021866 Semiconductor integrated circuit apparatus Jun. 4, 1991
5021759 Package for very high frequency integrated circuits Jun. 4, 1991
5019829 Plug-in package for microwave integrated circuit having cover-mounted antenna May. 28, 1991
5014018 Nonlinear transmission line for generation of picosecond electrical transients May. 7, 1991
5014115 Coplanar waveguide semiconductor package May. 7, 1991
5012321 Interconnection device between the cells of a pre-implanted hyperfrequency integrated circuit Apr. 30, 1991
5012213 Providing a PGA package with a low reflection line Apr. 30, 1991
5006820 Low reflection input configuration for integrated circuit packages Apr. 9, 1991
4996582 Field effect transistor for microstrip mounting and microstrip-mounted transistor assembly Feb. 26, 1991
4992764 High-power FET circuit Feb. 12, 1991
4991001 IC packing device with impedance adjusting insulative layer Feb. 5, 1991
4980636 Universal nondestructive MM-wave integrated circuit test fixture Dec. 25, 1990
4953001 Semiconductor device package and packaging method Aug. 28, 1990
4951014 High power microwave circuit packages Aug. 21, 1990
4951011 Impedance matched plug-in package for high speed microwave integrated circuits Aug. 21, 1990
4951008 Suspended-line diode device comprising a triple plate line Aug. 21, 1990
4949163 Semiconductor integrated circuit device particularly for high speed logic operations Aug. 14, 1990
4939485 Microwave field effect switch Jul. 3, 1990
4933745 Microwave device package Jun. 12, 1990
4922325 Multilayer ceramic package with high frequency connections May. 1, 1990
4920406 Semiconductor device Apr. 24, 1990
4904968 Circuit board configuration for reducing signal distortion Feb. 27, 1990
4899118 Low temperature cofired ceramic packages for microwave and millimeter wave gallium arsenide integrated circuits Feb. 6, 1990
4897601 Test fixture for integrated circuit chips Jan. 30, 1990
4887049 Solid state space harmonic amplifier Dec. 12, 1989
4875087 Integrated circuit device having strip line structure therein Oct. 17, 1989
4864645 Harmonically pumped monolithic planar doped barrier mixer Sep. 5, 1989
4862112 W-band microstrip oscillator using Gunn diode Aug. 29, 1989
4851764 High temperature environmental testing apparatus for a semiconductor device having an improved holding device and operation method of the same Jul. 25, 1989
4851794 Microstrip to coplanar waveguide transitional device Jul. 25, 1989
4843358 Electrically positionable short-circuits Jun. 27, 1989
4841353 Transistor devices for microwave oscillator elements Jun. 20, 1989
4839712 Compact combiner for semiconductor devices operating in the ultra-high frequency range Jun. 13, 1989
4837536 Monolithic microwave integrated circuit device using high temperature superconductive material Jun. 6, 1989
4814729 Precisely tunable impatt diode module for weather radar apparatus Mar. 21, 1989
4799035 Microwave diode tuning circuit Jan. 17, 1989
4792773 Ultra high frequency circuit with low parasite capacities Dec. 20, 1988
4789846 Microwave semiconductor switch Dec. 6, 1988
4789840 Integrated capacitance structures in microwave finline devices Dec. 6, 1988
4768004 Electrical circuit interconnect system Aug. 30, 1988
4751482 Semiconductor integrated circuit device having a multi-layered wiring board for ultra high speed connection Jun. 14, 1988
4742571 Coupling device between a metal wave guide, a dielectric wave guide and a semiconductor component and a mixer using this coupling device May. 3, 1988
4739448 Microwave multiport multilayered integrated circuit chip carrier Apr. 19, 1988

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