| Patents for H03H 3 - Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators (6,646) |
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| 05/27/1987 | EP0223554A2 Dispersive saw filter with tapered transducers |
| 05/20/1987 | EP0222012A1 Resonant sensor and method of making same. |
| 05/19/1987 | US4666822 Slab-shaped mono crystalline piezoelectric material |
| 05/19/1987 | US4666547 Electrically conductive resinous bond and method of manufacture |
| 05/05/1987 | US4663554 Surface acoustic wave device |
| 04/28/1987 | US4661201 Concentrated thermal energy source |
| 04/22/1987 | EP0219182A2 Staggered saw resonator differential detection |
| 04/21/1987 | US4659955 Surface-propagating acoustic wave device |
| 04/14/1987 | US4658173 Piezoelectric vibrator and method of adjusting vibrating frequency thereof |
| 04/14/1987 | US4656707 Method of fabricating a high-frequency piezoelectric resonator |
| 03/24/1987 | US4652784 Trapped-energy mode resonator and method of manufacturing the same |
| 03/17/1987 | US4651042 Piezoelectric vibrator and manufacturing method thereof |
| 03/11/1987 | EP0213372A2 Dispersive interdigital transducer for devices operating with acoustical waves |
| 03/11/1987 | EP0063586B1 Surface acoustic wave device with reflectors |
| 03/10/1987 | US4649509 Surface acoustic wave convolver arrangement with closely spaced impedance matched input transducers |
| 03/10/1987 | US4649357 Surface-acoustic-wave filter |
| 03/10/1987 | US4649313 Piezoelectric displacement element |
| 03/10/1987 | US4649310 Piezoelectric vibrating element |
| 03/04/1987 | EP0212418A2 Acoustic-wave convolver apparatus |
| 03/04/1987 | EP0212399A2 Dual-track acoustic-wave convolver with self-convolution suppression |
| 03/03/1987 | US4647881 Surface acoustic wave device |
| 02/10/1987 | US4642508 Piezoelectric resonating device |
| 02/10/1987 | US4642507 Saw devices with reflection-suppressing fingers |
| 02/10/1987 | US4642506 Surface acoustic wave device with reflectors in inter-electrode location |
| 02/10/1987 | US4642505 Laser trimming monolithic crystal filters to frequency |
| 02/03/1987 | US4641114 Thick film delay line comprising a plurality of stacked delay assemblies formed by a printing process |
| 02/03/1987 | US4641112 Delay line device and method of making same |
| 02/03/1987 | US4640756 Method of making a piezoelectric shear wave resonator |
| 02/03/1987 | US4639988 Method of making quartz oscillators |
| 01/27/1987 | US4638536 Etching, vacuum depositing metallic electrode, oxidizing |
| 01/06/1987 | US4635009 Surface acoustic wave resonator |
| 01/06/1987 | US4635008 Dispersive SAW filter with tapered transducers |
| 12/30/1986 | US4633285 Semiconductor device |
| 12/23/1986 | US4631197 Apparatus and method for adjusting the frequency of a resonator by laser |
| 12/18/1986 | WO1986007507A1 Resonant sensor and method of making same |
| 12/10/1986 | EP0204168A2 Electric filter with acoustic waves |
| 12/09/1986 | US4628222 Protection of saw devices comprising metallized regions on dielectric substrates |
| 12/09/1986 | US4628146 Casing for electrical components, component assemblies or integrated circuits |
| 12/09/1986 | US4627379 Shutter apparatus for fine-tuning a coupled-dual resonator crystal |
| 12/01/1986 | EP0111482A4 Apparatus for trimming of piezoelectric components. |
| 11/20/1986 | EP0201766A2 Electrical filter operating with acoustical waves |
| 11/18/1986 | US4623855 Surface acoustic wave resonator filter having randomly interrupted reflector strips |
| 11/18/1986 | US4623853 Surface acoustic wave dispersive delay lines having a laser irridated focus area for eliminating undesired saw concentrations |
| 11/05/1986 | EP0200304A2 Saw devices including resistive films |
| 10/15/1986 | EP0197640A2 Saw devices with reflection-suppressing fingers |
| 10/08/1986 | EP0196770A2 Surface acoustic wave filter |
| 10/07/1986 | US4616197 Resonator |
| 10/01/1986 | EP0196063A2 Surface acoustic wave resonator |
| 09/09/1986 | US4610894 Method of manufacturing surface acoustic wave device |
| 09/02/1986 | US4609891 Staggered SAW resonator for differential detection |
| 08/20/1986 | EP0191479A1 Manufacturing method of a high-frequency quartz resonator |
| 08/06/1986 | CN85100717A Mfr. technology of saw channel resonator |
| 08/05/1986 | US4604594 Surface wave filter having photoresist damping material thereon and method for manufacturing the same |
| 07/30/1986 | EP0189123A2 Acoustic-wave filter |
| 07/30/1986 | EP0189106A2 Acoustic-wave filter |
| 07/29/1986 | US4603275 Surface acoustic wave device using beveled substrate |
| 07/23/1986 | EP0188263A1 Acoustic surface wave filter |
| 07/23/1986 | EP0187918A1 Electrical surface wave filter |
| 07/22/1986 | US4602228 Surface acoustic wave filter |
| 07/22/1986 | US4602183 Surface acoustic wave device with a 3-phase unidirectional transducer |
| 07/16/1986 | CN85109610A Elastic sufface wave device |
| 07/02/1986 | EP0186410A2 Surface acoustic wave resonator |
| 06/25/1986 | EP0185532A2 A constraining mount system for surface acoustic wave devices |
| 06/11/1986 | EP0184508A2 Surface acoustic wave transducer |
| 06/03/1986 | CA1205533A1 High-frequency piezoelectric resonator and method of fabrication of said resonator |
| 05/27/1986 | US4591815 Surface-propagating acoustic wave device |
| 04/23/1986 | EP0178655A2 Acoustic wave filter |
| 04/15/1986 | US4583017 Piezoelectric vibrator on mirror polished substrate |
| 04/15/1986 | EP0122918A4 Acoustic charge transport device and method. |
| 04/15/1986 | CA1203294A1 Acoustic surface wave device |
| 04/09/1986 | EP0176805A2 Trapped-energy mode resonator and method of manufacturing the same |
| 04/09/1986 | EP0176786A2 Transducer for a surface acoustic wave arrangement |
| 04/01/1986 | US4580115 Electrical surface wave filter |
| 03/25/1986 | CA1202384A1 Magnetic feedthrough cancelling surface acoustic wave device |
| 03/25/1986 | CA1202383A1 Thick film delay line |
| 03/18/1986 | US4577169 Small ripple surface acoustic wave filter with low insertion loss |
| 03/13/1986 | WO1986001655A1 Converter for surface-acoustic waves (saw) |
| 03/11/1986 | US4575698 Surface acoustic wave device |
| 03/11/1986 | US4575653 Damping layer for surface wave filter |
| 02/18/1986 | US4571519 Sezawa surface acoustic wave device using a piezoelectric layer over a nitride layer on a substrate |
| 02/13/1986 | WO1986001054A1 Improved surface acoustic wave filter |
| 02/04/1986 | US4568848 Acoustic surface wave devices containing piezoelectric ceramics |
| 01/29/1986 | EP0169607A2 Surface-propagating acoustic wave device |
| 01/28/1986 | US4567453 Acoustic surface wave device |
| 01/28/1986 | US4567393 Aluminum nitride, zinc oxide, silicon, electrodes |
| 12/31/1985 | US4562371 Reduced thickness of zinc oxide layer to give larger electromechanical coupling coefficient |
| 12/31/1985 | US4562370 Method for adjusting the frequency of a piezoelectric crystal resonator |
| 12/24/1985 | CA1198486A1 Surface acoustic wave bandpass filter |
| 12/19/1985 | EP0111483A4 Trimming of piezoelectric components. |
| 12/18/1985 | EP0164810A2 Surface-propagating acoustic wave device |
| 12/10/1985 | US4558364 Surface acoustic wave device |
| 12/10/1985 | US4558248 Temperature-compensated quartz oscillator |
| 12/04/1985 | EP0163354A2 Surface acoustic wave device |
| 12/03/1985 | US4556812 Acoustic resonator with Al electrodes on an AlN layer and using a GaAs substrate |
| 11/26/1985 | US4555374 Method of manufacturing a disc resonator |
| 11/26/1985 | US4555291 Inductive and capacitive |
| 11/26/1985 | US4554717 Photoresist; free of etch pits and channels |
| 11/05/1985 | US4551695 Surface acoustic device having multistrip coupler comprised of alternate coupled and uncoupled strips |
| 11/05/1985 | US4550475 Quartz unit |
| 11/05/1985 | CA1196398A1 Piezoelectric resonator |