Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 3 - Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
Patents for H03H 3 - Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators (6,646)
05/1984
05/29/1984US4451805 Surface acoustic wave filter
05/22/1984US4450374 Oxygen-plasma passivated and low scatter acoustic wave devices
05/15/1984US4449107 Zinc oxide layer on silicon substrate
05/15/1984US4448805 Resistive links between regions to prevent arcing
05/08/1984US4447754 Broad band surface acoustic wave edge deposited transducer
05/08/1984US4447753 Miniature GT-cut quartz resonator
05/01/1984US4445256 Method of manufacturing piezoelectric resonator components
04/1984
04/25/1984EP0106384A2 Acoustic surface wave device
04/25/1984EP0106199A2 Surface-acoustic wave filter and method of producing an absorbing layer
04/25/1984EP0106189A2 Surface-acoustic wave filter and method of producing the filter
04/24/1984US4444602 Method of manufacturing amorphous magnetic alloy ribbon and use for magnetostriction delay lines
04/17/1984US4443728 GT-Cut quartz resonator
04/17/1984US4442574 Frequency trimming of saw resonators
04/04/1984EP0104740A2 Broad band surface acoustic wave edge deposited transducer
04/04/1984EP0104314A2 Surface-acoustic wave filter
03/1984
03/28/1984EP0103932A2 Acoustic surface wave device
03/27/1984US4439756 Delta-Sigma modulator with switch capacitor implementation
03/27/1984US4439706 Quartz crystal vibrator
03/26/1984EP0063586A4 Surface acoustic wave device with reflectors.
03/20/1984US4437773 Quartz thermometer
03/06/1984US4435441 Method of frequency trimming surface acoustic wave devices
03/06/1984CA1163334A1 Magnetostatic wave device containing attenuation means and the way of making it
03/01/1984WO1984000859A1 Acoustic charge transport device and method
02/1984
02/29/1984EP0028265B1 Acoustic surface wave device
02/22/1984EP0101077A2 Electronic device using reflected acoustical waves
02/22/1984EP0100997A2 Electronic device using reflected acoustical waves
02/21/1984US4433316 Crystal filter and method for fabrication
02/21/1984CA1162658A1 Quartz resonator processing system
02/15/1984EP0100739A2 Surface acoustic wave device and method of manufacturing said surface acoustic wave device
02/14/1984US4431938 Grooved piezoelectric resonating element and a mounting therefore
02/14/1984US4431937 Piezoelectric crystal assembly including protective mounting and covering means
01/1984
01/31/1984US4429246 Group-arranged type surface acoustic wave transducer
01/31/1984CA1161505A1 Multiple pole surface wave acoustic filters employing angled grooved distributed reflector arrays
01/24/1984US4427956 Acoustic wave bandpass electrical filters
01/24/1984US4427954 Pulse compression filter designed as a dispersive delay line
01/24/1984US4427515 Forming a thin metal film on a piezoelectric substrate
01/18/1984EP0098599A2 Elastic surface wave device
01/18/1984EP0098579A2 Surface acoustic wave device
01/17/1984US4426595 Acoustic surface wave device with improved band-pass characteristics
01/11/1984EP0098154A2 Surface acoustic wave device
01/11/1984EP0098116A2 Surface acoustic device
01/11/1984EP0097642A1 Acoustical wax on a surface wave device
01/10/1984US4425554 Surface acoustic wave resonator device
01/05/1984WO1984000082A1 Trimming of piezoelectric components
01/05/1984WO1984000081A1 Apparatus for trimming of piezoelectric components
12/1983
12/27/1983US4423395 Surface acoustic wave filter
12/21/1983EP0096611A1 High-frequency piezoelectric resonator and process for its production
12/20/1983US4422000 Unidirectional surface acoustic wave device with meandering electrode
12/13/1983US4420730 Surface acoustic wave filter
12/13/1983US4420728 Acoustic wave devices
11/1983
11/29/1983US4418299 Face-shear mode quartz crystal vibrators and method of manufacture
11/23/1983EP0094683A2 Surface acoustic wave device
11/08/1983US4414243 Method for making surface acoustic wave devices
11/01/1983US4412886 Method for the preparation of a ferroelectric substrate plate
10/1983
10/26/1983EP0092515A1 Piezoelectric resonator element and process for producing it
10/26/1983EP0092428A2 A method for producing a piezoelectric resonator
10/26/1983EP0092427A2 Piezoelectric resonator chip and a method for adjusting its resonant frequency
10/26/1983EP0092290A2 Acoustic surface wave device
10/25/1983US4411731 Bonding; etching
10/18/1983US4410864 Impedance transformation network for a SAW filter
10/18/1983US4410824 Means for preventing cracks in the gap region of a surface acoustic wave device
10/11/1983US4409571 Surface acoustic wave filters
10/11/1983US4409567 Surface acoustic wave device
09/1983
09/28/1983EP0089617A2 Surface-acoustic wave electronic circuit element
09/27/1983US4406966 Isolating and temperature compensating system for resonators
09/27/1983US4406964 Acoustic surface wave transducer with improved inband frequency characteristics
09/20/1983US4405875 Hermetically sealed flat-type piezo-electric oscillator assembly
09/14/1983EP0088493A2 Surface acoustic wave (saw) devices
09/14/1983EP0088400A2 Interdigital transducer with suppression of reflected interfering signals
09/14/1983EP0088204A2 Surface acoustic wave transmission device
09/06/1983US4403202 Surface acoustic wave device and method for producing the same
08/1983
08/30/1983CA1153102A1 Improving the stability of resonant frequency of piezoelectric device
08/23/1983CA1152586A1 Electronic component comprising at least one piezoelectric resonator and method of manufacture thereof
08/17/1983EP0086133A1 Method of manufacture of a circuit element comprising at least an inductance and a capacitor, circuit element obtained by this method and its use in filter circuits
08/10/1983EP0085599A2 Method for mass-manufacturing piezoelectric transducers, transducers made by this method and utilisation of this method
08/09/1983US4398163 Elastic surface wave recursive filter
08/09/1983US4397884 Process for stabilizing in time a piezoelectric resonator
08/02/1983US4396851 Surface acoustic wave device
08/02/1983US4395849 Automatic frequency adjusting method for mechanical resonators
07/1983
07/27/1983EP0084353A2 Delta-sigma modulator with switched capacitor implementation
07/12/1983US4393321 Surface acoustic wave transducer
07/12/1983US4393129 Glycol ether, primary amine, water, morpholine
07/12/1983US4392287 Quartz resonator processing system
07/05/1983CA1149477A1 Inductorless monolithic crystal filter network
06/1983
06/28/1983US4390807 Surface acoustic wave device
06/28/1983CA1149033A1 Acoustic wave devices
06/28/1983CA1149030A1 Carrier concentration controlled surface acoustic wave variable delay devices
06/23/1983WO1983002204A1 Acoustical wax on a surface wave device
06/21/1983CA1148643A1 Isolating and temperature compensating system for crystal resonators
06/14/1983US4388600 Surface acoustic wave device
06/14/1983US4388599 Piezoelectric elastic-wave convolver device
06/14/1983US4388146 Generation intensity gradient of photon energy
06/14/1983CA1148276A1 Piezoelectric transducer with polymer element and method of fabrication of said transducer
05/1983
05/31/1983US4385473 Method for frequency regulation of tuning-fork vibrator
05/17/1983US4384229 Temperature compensated piezoelectric ceramic resonator unit
05/10/1983US4382840 Hydrothermal crystal growing process and apparatus
04/1983
04/06/1983EP0076153A2 TV receiver
04/05/1983US4379244 Method of detection of the asymmetry of piezo-electric crystal resonators in the form of tuning forks and resonators for carrying it out
03/1983
03/29/1983US4378540 Acoustic surface wave device
03/23/1983EP0074781A2 Surface acoustic wave filter
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