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US 10,855,243 B2Granted
Mobile communication device configured with a single crystal piezo resonator structure
AssigneeAkoustis, Inc.
InventorJeffrey B. Shealy
Life of this patent
Estimating the term…
Abstract
A mobile communication system. The system has a housing comprising an interior region and an exterior region and a processing device provided within an interior region of the housing. The system has an rf transmit module coupled to the processing device, and configured on a transmit path. The system has a transmit filter provided within the rf transmit module. In an example, the transmit filter comprises a diplexer filter comprising a single crystal acoustic resonator device.
Claims34
A method of using a communication system comprising:
- providing a mobile communication system comprising:
- a filter diplexer module comprising
- an rf transmit module coupled to the processing device and configured on a transmit path, wherein the rf transmit module includes a transmit filter having one or more diplexer filter devices, each of the one or more diplexer filter devices comprising a acoustic resonator device;
- an rf receive module coupled to the processing device and configured on a receive path, wherein the rf receive module includes a receive filter;
- a power amplifier module coupled to the processing device and the filter diplexer module, the power amplifier module being configured on the transmit path and the receive path, wherein the power amplifier module comprises a plurality of communication bands, each communication band having a power amplifier, wherein the one or more diplexer filter devices are configured to one or more of the plurality of communication bands;
- a band-to-band isolation between any pair of adjacent communication bands in the plurality of communication bands characterizing the transmit filter such that a difference between a pass band to reject band as measured in relative decibels (dBc) is greater than 10 dBc and less than 100 dBc;
- an insertion loss characterizing the transmit filter, the insertion loss being less than 3 dB and greater than 0.5 dB;
- and
- a center frequency configured to define the pass band;
- wherein each acoustic resonator devices of the diplexer filter devices comprises:
- a substrate having a surface region;
- a first electrode material coupled to a portion of the substrate;
- a reflector region configured to the first electrode material;
- a capacitor dielectric material having a thickness of greater than 0.4 microns and overlying an exposed portion of the surface region and coupled to the first electrode material, the capacitor dielectric material being characterized by a dislocation density of less than 1012 defects/cm2;
- and
- a second electrode material overlying the capacitor dielectric material;
- and
- transmitting information using the mobile communication device.
15 more elements
A method of using a communication system comprising:
- providing a mobile communication device comprising:
- an rf transmit module coupled to the processing device, and configured on a transmit path;
- an rf receive module coupled to the processing device, and configured on a receive path;
- a receive filter provided within the rf receive module;
- a low noise amplifier device coupled to the rf receive module;
- a transmit filter provided within the rf transmit module, the transmit filter having a diplexer filter comprising a acoustic resonator device;
- and
- a power amplifier module coupled to the rf transmit module, and configured to drive a signal through the transmit path to the antenna;
- wherein the power amplifier module includes a plurality of communication bands numbered from 1 to N, where N is an integer greater than 2 and less than 50, wherein each of the communication bands includes a power amplifier, wherein one or more of the communication bands is coupled to the diplexer filter;
- a switching device coupled to one or more of the plurality of communication bands and to an output impedance matching circuit, wherein the output impedance matching circuit is coupled to the diplexer filter;
- a band-to-band isolation characterizing the transmit filter such that a difference between a pass band to reject band as measured in relative decibels (dBc) is greater than 10 dBc and less than 100 dBc;
- an insertion loss characterizing the transmit filter, the insertion loss being less than 3 dB and greater than 0.5 dB;
- and
- a center frequency configured to define the pass band;
- and
- wherein the acoustic resonator device comprises:
- a substrate having a surface region;
- a first electrode material coupled to a portion of the substrate;
- a capacitor dielectric material having a thickness of greater than 0.4 microns and overlying an exposed portion of the surface region and coupled to the first electrode material, the capacitor dielectric material being characterized by a dislocation density of less than 1012 defects/cm2;
- and
- a second electrode material overlying the capacitor dielectric material;
- wherein the capacitor dielectric material is characterized by a surface region of at least 200 microns by 200 microns;
- and wherein the capacitor dielectric material is configured in a first strain state to compensate to the substrate;
- wherein the capacitor dielectric material is deposited overlying the exposed portion of the substrate;
- transmitting information using the mobile communication device.
22 more elements
A mobile communication system comprising:
- a filter diplexer module comprising
- an rf transmit module coupled to the processing device and configured on a transmit path, where the rf transmit module includes a transmit filter having one or more diplexer filter devices, each of the one or more diplexer filter devices comprising an acoustic resonator device;
- an rf receive module coupled to the processing device and configured on a receive path, wherein the rf receive module includes a receive filter;
- a power amplifier module coupled to the processing device and the filter diplexer module, the power amplifier module being configured on the transmit path and the receive path, wherein the power amplifier module comprises a plurality of communication bands, each communication band having a power amplifier, wherein the one or more diplexer filter devices are configured to one or more of the plurality of communications bands;
- a band-to-band isolation between any pair of adjacent communication bands in the plurality of communication bands characterizing the transmit filter such that a difference between a pass band to reject band as measured in relative decibels (dBc) is greater than 10 dBx and less than 100 dBc;
- an insertion loss characterizing the transmit filter, the insertion loss being less than 3 dB and greater than 0.5 dB;
- and
- a center frequency configured to define the pass band;
- wherein each acoustic resonator device of the diplexer filter devices comprises:
- a substrate having a substrate region;
- a first electrode material coupled to a portion of the substrate;
- a reflector region configured to the first electrode material;
- a capacitor dielectric material having a thickness of greater than 0.4 microns and overlying an exposed portion of the surface regions and coupled to the first electrode material, the capacitor dielectric material being characterized by a dislocation density of less than 1012 defects/cm2;
- and
- a second electrode material overlying the single crystal capacitor dielectric material.
12 more elements
A mobile communication system comprising:
- an rf transmit module coupled of the processing device, and configured on a transit path;
- an rf receive module coupled to the processing device, and configured on a receive path;
- a receive filter provided within the rf receive module;
- a low noise amplifier device coupled to the rf receive module;
- a transmit filter provided within the rf transmit module, the transmit filter having a diplexer filter comprising an acoustic resonator device;
- and
- a power amplifier module coupled to the rf transmit module, and configured to drive a signal through the transmit path to the antenna;
- wherein the power amplifier module includes a plurality of communication bands numbered from 1 to N, where N is an integer greater than 2 and less than 50, wherein each of the communication bands includes a power amplifier, wherein one or more of the communication bands is coupled to the diplexer filter;
- a switching device coupled to one or more of the plurality of communication bands and to an output impedance matching circuit, wherein the output impedance matching circuit is coupled to the diplexer filter;
- a band-to-band isolation characterizing the transmit filter such that a difference between a pass band to reject band as measured in relative decibels (dBc) is greater than 10 dBc and less than 100 dBc;
- an insertion loss characterizing the transmit filter, the insertion loss being less than 3 dB and greater than 0.5 dB;
- and
- a center frequency configured to define the pass band;
- and
- wherein the acoustic resonator device comprises:
- a substrate having a surface region;
- a first electrode material coupled to a portion of the substrate;
- a capacitor dielectric material having a thickness of greater than 0.4 microns and overlying an exposed portion of the surface region and coupled to the first electrode material, the capacitor dielectric material being characterized by a dislocation density of less than 1012 defects/cm2;
- and
- a second electrode material overlying the capacitor dielectric material;
- wherein the capacitor dielectric material is characterized by a surface region of at least 200 microns by 200 microns;
- and wherein the capacitor dielectric material is configured in a first strain state to compensate to the substrate;
- wherein the capacitor dielectric material is deposited overlying the exposed portion of the substrate.
20 more elements
Dependencies are inferred from the claim text.