| Patents for H01P 11 - Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type (3,866) |
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| 11/27/1990 | US4973567 Electric ceramic composition |
| 11/24/1990 | CA2017352A1 Circuit and component realisation structure applied to microwaves |
| 11/07/1990 | EP0396480A1 Method of adjusting a frequency response in a three-conductor type filter device |
| 10/23/1990 | US4965094 Applying solutions of silver ammonia complex and reducing agent to the surface of a dielectric material |
| 09/19/1990 | EP0388291A1 Method of forming a helical waveguide using a deposit screen |
| 09/19/1990 | EP0388290A1 Optical waveguides formed from multiple layers |
| 09/17/1990 | CA2012213A1 Method of forming a helical waveguide using a deposit screen |
| 09/17/1990 | CA2012211A1 Optical waveguides formed from multiple layers |
| 09/06/1990 | DE3906587A1 Waveguide made of electrically and thermally highly conductive metal |
| 09/05/1990 | EP0385453A1 Microwave ceramic magnetic material manufacturing process |
| 08/14/1990 | US4949057 Distributed constant type delay line device and a manufacturing method thereof |
| 08/08/1990 | EP0380620A1 Flexible coaxial cable and method for manufacturing the same. |
| 07/12/1990 | WO1990007793A1 Low temperature cofired ceramic packages for microwave and millimeter wave gallium arsenide integrated circuits |
| 07/11/1990 | EP0377280A1 Dielectric ceramic composition |
| 07/04/1990 | EP0375840A2 Apparatus for transmitting high-frequency signals |
| 07/03/1990 | CA1271268A1 Method of making a flexible microcircuit |
| 06/12/1990 | US4932749 Optical waveguides formed from multiple layers |
| 06/05/1990 | US4930215 Method for the fabrication of a connection zone for a symmetrical strip line type microwave circuit and circuit obtained thereby |
| 05/29/1990 | US4929962 Feed horn for a telecommunications antenna |
| 05/17/1990 | WO1990005389A1 Dielectric resonator, method of producing the same, and plating device therefor |
| 05/08/1990 | CA1268618A1 Method for making an optical waveguide element |
| 05/01/1990 | USH781 Method of making a ferrite circulator |
| 04/17/1990 | US4918411 For passing an RF signal |
| 04/17/1990 | US4916808 Process for fabricating a sculptured stripling interface conductor |
| 03/21/1990 | EP0359411A2 High-frequency substrate material for thin-film layered perovskite superconductors |
| 03/20/1990 | US4909909 Laminating using high frequency circuit |
| 03/14/1990 | EP0358497A2 Broadbrand microstrip to coplanar waveguide transition by anisotropic etching of gallium arsenide |
| 03/08/1990 | WO1990002427A1 Antenna lamination technique |
| 03/08/1990 | WO1990002426A1 Improvements in electromagnetic screening |
| 03/07/1990 | EP0357507A2 Superconducting article containing thallium |
| 03/07/1990 | EP0357486A1 Process for producing a connection zone for a hyperfrequency circuit of the triplate type, and circuit so obtained |
| 03/07/1990 | EP0357233A2 Waveguide apparatus |
| 03/06/1990 | US4906956 On-chip tuning for integrated circuit using heat responsive element |
| 03/06/1990 | US4906953 Broadband microstrip to coplanar waveguide transition by anisotropic etching of gallium arsenide |
| 03/06/1990 | US4906951 Birefringent corrugated waveguide |
| 02/14/1990 | EP0354671A1 Stand-off transmission lines and methods for making same |
| 02/08/1990 | WO1990001222A1 Flexible coaxial cable and method for manufacturing the same |
| 02/06/1990 | US4899118 Low temperature cofired ceramic packages for microwave and millimeter wave gallium arsenide integrated circuits |
| 01/31/1990 | EP0352805A2 Distributed constant type delay line device and a manufacturing method thereof |
| 01/31/1990 | EP0352628A2 Dielectric resonator and manufacturing method therefor |
| 01/24/1990 | EP0351840A2 Dielectric-loaded cavity resonator |
| 01/17/1990 | EP0151596B1 Microwave circuit device |
| 12/26/1989 | US4890079 Di-electric bandpass filter |
| 12/19/1989 | US4887346 Method for making an ultra-high frequency transition between two orthogal guided structures and ultra-high frequency device with a transition of this type |
| 12/13/1989 | EP0345507A2 Tuneless monolithic ceramic filter |
| 12/12/1989 | US4885839 Process of fabricating a waveguide |
| 12/07/1989 | DE3818800A1 Process for introducing profiled patterns (profile patterns) onto or into surfaces whose cross-sections are parts of a circle (semicircle) or another geometrical figure, by using the single-stage or multi-stage photo-etching technique (ProMus process) |
| 11/29/1989 | EP0343771A1 Transmission line |
| 11/21/1989 | US4882026 Dielectric block plating apparatus |
| 11/21/1989 | CA1263181A1 Electromagnetically coupled microstrip antennas having feeding patches capacitively coupled to feedlines |
| 11/21/1989 | CA1263155A1 Doubly-truncated circular waveguide |
| 11/02/1989 | DE3812660A1 Radio-frequency resonator having a cooling jacket, and a method for production |
| 10/31/1989 | US4877493 Dielectric block plating process |
| 10/18/1989 | EP0337331A1 Method for producing an allround-shielded transmission line |
| 09/26/1989 | US4870377 Electronic circuit substrate construction |
| 08/29/1989 | US4862186 Microwave antenna array waveguide assembly |
| 08/23/1989 | EP0329090A2 Toothed coupling iris |
| 08/15/1989 | US4857871 Magnetic field-tunable filter with plural section housing and method of making the same |
| 08/15/1989 | US4857360 Irreversible color change with heat |
| 07/04/1989 | US4845448 Arrangement in wave guide flanges |
| 07/04/1989 | US4845311 Flexible coaxial cable apparatus and method |
| 06/14/1989 | EP0319629A1 Method of effectuating a microwave transition between two orthogonal guiding structures, und microwave circuit using it |
| 05/09/1989 | US4829314 Microwave plane antenna simultaneously receiving two polarizations |
| 04/04/1989 | US4818962 Waveguide obtained by selective etching method |
| 03/14/1989 | US4812790 Toothed coupling iris |
| 03/08/1989 | EP0118537B1 Method for fabricating corrugated microwave components |
| 02/21/1989 | US4806941 Microwave component |
| 01/19/1989 | DE3722745A1 Manufacturing process for hollow bodies of coated plates and an apparatus, in particular a superconductive high-frequency resonator |
| 01/18/1989 | EP0299616A2 A waveguide arrangement |
| 01/17/1989 | US4797995 Method of fabricating a hollow squarax inner conductor |
| 12/14/1988 | CN87210035U Component model cores for making rectangle noundel wave guide |
| 11/15/1988 | US4784877 Rods as optical conductors, vapor deposition |
| 11/09/1988 | EP0290210A2 Dielectric block plating process and a plating apparatus for carrying out the same |
| 10/19/1988 | EP0287538A1 Arrangement for attaching a flange to a wave guide |
| 10/11/1988 | CA1242868A1 Method of manufacturing a waveguide filter and waveguide filter manufactured by means of the method |
| 08/23/1988 | US4765055 Method of fabricating a superconducting cavity |
| 08/16/1988 | US4763398 Method of manufacturing a light conductor and hollow metal light conductor manufactured according to the method |
| 08/09/1988 | CA1240368A1 Sis mixer having thin film wrap around edge contact |
| 08/03/1988 | CN86102523B Monolithic soft wave guide processing |
| 08/02/1988 | US4761654 Electromagnetically coupled microstrip antennas having feeding patches capacitively coupled to feedlines |
| 07/26/1988 | US4760362 Leaky coaxial cable providing inductive coupling by eliminating radiating gaps, and the method of making same |
| 07/13/1988 | EP0274074A2 Feeding radiator for a communications antenna |
| 07/06/1988 | CN86102523A Monolithic soft wave guide processing |
| 06/15/1988 | EP0271458A2 Electromagnetically coupled printed-circuit antennas having patches or slots capacitively coupled to feedlines |
| 06/14/1988 | US4751481 Molded resonator |
| 06/14/1988 | US4750979 Using mixture of oxygen and inert gas during cleaning prior to electrode deposition |
| 06/09/1988 | DE3641329A1 Method for producing a waveguide curve |
| 05/19/1988 | WO1988003712A1 Microwave antenna array waveguide assembly |
| 05/17/1988 | US4745379 Launcher-less and lumped capacitor-less ceramic comb-line filters |
| 05/11/1988 | EP0266934A1 Method for makings an optical waveguide element |
| 05/03/1988 | US4742355 Serpentine feeds and method of making same |
| 04/28/1988 | DE3635499A1 Waveguide filter |
| 03/30/1988 | EP0261121A1 A method for manufacturing a wave-guide section providing a continuous transition and a microwave antenna using this wave-guide section |
| 03/30/1988 | CN87104723A Core for investment pattern for electrocast twist wave guide and the manufacturing method there of |
| 03/29/1988 | US4734666 Microwave apparatus having coaxial waveguide partitioned by vacuum-tight dielectric plate |
| 03/09/1988 | CN86207242U Uhf middle power load |
| 03/02/1988 | EP0257801A2 Method of making a flexible microcircuit |
| 02/09/1988 | US4724408 Waveguide filter |
| 01/26/1988 | US4721959 Monopulse comparator formed in a milled channel plate structure |
| 01/26/1988 | CA1231830A1 Making a wave guide |