ClassID:

220781

H03H9/564 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Filters comprising resonators of piezo-electric or electrostrictive material; Monolithic crystal filters implemented with thin-film techniques

Recent Application in this class:
#1
20260066874
2026-03-05

RADIO FREQUENCY FILTER INCLUDING HIGH ASPECT RATIO BULK ACOUSTIC WAVE RESONATORS

#2
20260066873
2026-03-05

BULK ACOUSTIC WAVE FILTER

#3
20260058640
2026-02-26

5.5 GHz Wi-Fi 5G COEXISTENCE ACOUSTIC WAVE RESONATOR RF FILTER CIRCUIT

#4
20260045927
2026-02-12

FILTER, RADIO FREQUENCY DEVICE AND ELECTRONIC APPARATUS

#5
20260025124
2026-01-22

BULK ACOUSTIC WAVE FILTER

#6
20260025121
2026-01-22

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH MULTI-PITCH INTERDIGITAL TRANSDUCER

#7
20250364966
2025-11-27

PIEZOELECTRIC MATERIALS, DEVICES AND METHODS OF FABRICATING SAID DEVICES

#8
20250357907
2025-11-20

TUNING ACOUSTIC RESONATORS WITH BACK-SIDE COATING

#9
20250350257
2025-11-13

DEVICES AND METHODS RELATED TO GRADIENT RAISED FRAMES IN FILM BULK ACOUSTIC RESONATORS

#10
20250337386
2025-10-30

RESONANCE DEVICE AND METHOD FOR MANUFACTURING SAME

#11
20250309863
2025-10-02

MULTIPLE ELECTROMECHANICAL COUPLING COEFFICIENTS ON SAME WAFER

#12
20250300627
2025-09-25

SERIES-CONNECTED ACOUSTIC RESONATORS

#13
20250300624
2025-09-25

BULK ACOUSTIC WAVE (BAW) PACKAGE AND METHOD OF MANUFACTURING BAW PACKAGE

#14
20250275480
2025-08-28

ACOUSTIC WAVE DEVICE

#15
20250274100
2025-08-28

METHODS OF FORMING PIEZOELECTRIC LAYERS HAVING ALTERNATING POLARIZATIONS AND RELATED BULK ACOUSTIC WAVE FILTER DEVICES

#16
20250260388
2025-08-14

ACOUSTIC WAVE DEVICE

#17
20250247079
2025-07-31

INDUCTOR INTEGRATED ACOUSTIC WAVE DEVICE

#18
20250219613
2025-07-03

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH THREE-LAYER ELECTRODES

#19
20250219610
2025-07-03

STRAINED PIEZOELECTRIC DEVICES FOR RADIOFREQUENCY RESONATORS AND FABRICATION METHODS THEREOF

#20
20250211203
2025-06-26

FUNDAMENTAL TONE MITIGATION FOR SECOND OVERTONE BULK ACOUSTIC WAVE RESONATOR

#21
20250204259
2025-06-19

THINNING METHOD

#22
20250183876
2025-06-05

ACOUSTIC WAVE DEVICE

#23
20250183875
2025-06-05

ACOUSTIC WAVE DEVICE

#24
20250175157
2025-05-29

SOLIDLY-MOUNTED TRANSVERSELY-EXCITED FILM BULK ACOUSTIC FILTERS WITH MULTIPLE PIEZOELECTRIC PLATE THICKNESSES

#25
20250158589
2025-05-15

ACOUSTIC WAVE DEVICE INCLUDING ION IMPLANTED PIEZOELECTRIC LAYER

#26
20250150053
2025-05-08

SOLIDLY-MOUNTED TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS AND FILTERS

#27
20250112621
2025-04-03

ACOUSTIC FILTER DEVICE WITH STAGGERED GROUND INDUCTORS

#28
20250105820
2025-03-27

BRAGG STACK STRUCTURE FOR SPURIOUS MODE SUPPRESSION IN SOLIDLY-MOUNTED ACOUSTIC RESONATOR

#29
20250105816
2025-03-27

SOLIDLY-MOUNTED TRANSVERSELY-EXCITED FILM BULK ACOUSTIC DEVICE

#30
20250096776
2025-03-20

BULK ACOUSTIC WAVE RESONATOR HAVING MULTIPLE RESONANT FREQUENCIES

#31
20250096769
2025-03-20

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH BURIED OXIDE STRIP ACOUSTIC CONFINEMENT STRUCTURES

#32
20250088167
2025-03-13

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH A CAVITY HAVING ROUND END ZONES

#33
20250070753
2025-02-27

FILTERS USING TRANSVERSLY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH FREQUENCY-SETTING DIELECTRIC LAYERS

#34
20250070750
2025-02-27

ACOUSTIC WAVE DEVICE AND FILTER APPARATUS

#35
20250062747
2025-02-20

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH MULTIPLE PIEZOELECTRIC MEMBRANE THICKNESSES ON THE SAME CHIP

#36
20250062745
2025-02-20

BULK ACOUSTIC WAVE RESONATORS WITH COMMON CAVITY

#37
20250038734
2025-01-30

METAL LAYER BETWEEN ELECTRODES AND PIEZOELECTRIC LAYER FOR CONTROLLING COUPLING

#38
20250038730
2025-01-30

ACOUSTIC WAVE DEVICE

#39
20250030402
2025-01-23

RF FILTER DEVICE

#40
20250030399
2025-01-23

ACOUSTIC RESONATOR FILTER WITH HIGH THERMAL CONDUCTIVITY

#41
20250030395
2025-01-23

FILTER, RADIO FREQUENCY DEVICE AND ELECTRONIC APPARATUS

#42
20250023554
2025-01-16

ACOUSTIC WAVE DEVICE

#43
20250023553
2025-01-16

ACOUSTIC WAVE DEVICE

#44
20250023552
2025-01-16

BULK ACOUSTIC WAVE FILTERS WITH DIFFERENTLY DOPED ALUMINUM NITRIDE RESONATORS

#45
20250023539
2025-01-16

FILTER USING TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH DIVIDED FREQUENCY-SETTING DIELECTRIC LAYERS

#46
20250015777
2025-01-09

ACOUSTIC WAVE DEVICE AND FILTER DEVICE

#47
20250007485
2025-01-02

BULK ACOUSTIC WAVE DEVICE WITH MULTI-LAYER FRAME STRUCTURE

#48
20240421793
2024-12-19

Methods related to gradient raised frames in film bulk acoustic resonators

#49
20240396526
2024-11-28

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH A BACK-SIDE DIELECTRIC LAYER

#50
20240388273
2024-11-21

ALUMINUM NITRIDE DOPANT SCHEME FOR BULK ACOUSTIC WAVE DEVICES

#51
20240380376
2024-11-14

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR

#52
20240372530
2024-11-07

SYSTEMS AND METHODS FOR ABSORPTION TUNING FOR TOTAL WAVE ABSORPTION AND REFLECTION

#53
20240372523
2024-11-07

GRATING STRUCTURES FOR SYMMETRIC TRANSVERSELY-EXCITED BULK ACOUSTIC RESONATORS

#54
20240372519
2024-11-07

METHOD FOR FABRICATING FILM BULK ACOUSTIC RESONATOR (FBAR), FBAR, AND FILTER

#55
20240322792
2024-09-26

PIEZOELECTRIC THIN FILM FILTER

#56
20240305263
2024-09-12

MULTI-LAYER RAISED FRAME IN BULK ACOUSTIC WAVE DEVICE

#57
20240297635
2024-09-05

BULK ACOUSTIC WAVE RESONATORS WITH PATTERNED MASS LOADING LAYERS

#58
20240283428
2024-08-22

CAPACITIVELY-COUPLED RESONATOR FOR IMPROVEMENT IN UPPER BAND EDGE STEEPNESS

#59
20240275352
2024-08-15

BAW FILTER STRUCTURE AND PREPARATION METHOD THEREOF

#60
20240195387
2024-06-13

FILTER ELEMENT AND FILTER DEVICE

#61
20240195377
2024-06-13

METHOD FOR MAKING A WITH BULK ACOUSTIC WAVE FILTER

#62
20240186984
2024-06-06

Transversely-excited film bulk acoustic resonator with periodic etched holes

#63
20240186983
2024-06-06

XBAR resonators with non-rectangular diaphragms

#64
20240113681
2024-04-04

Multi-port filter using transversely-excited film bulk acoustic resonators

#65
20240039506
2024-02-01

Solidly-mounted transversely-excited film bulk acoustic resonator

#66
20240030895
2024-01-25

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR MATRIX FILTERS

#67
20240022234
2024-01-18

Filters using transversly-excited film bulk acoustic resonators with frequency-setting dielectric layers

#68
20240022233
2024-01-18

Transversely-excited film bulk acoustic resonator

#69
20240022228
2024-01-18

Decoupled transversely-excited film bulk acoustic resonators

#70
20230412139
2023-12-21

ACOUSTIC WAVE DEVICE

#71
20230361757
2023-11-09

Partially Suspending a Piezoelectric Layer Using a Dielectric

#72
20230344414
2023-10-26

Transversely-excited acoustic resonator with Z-cut lithium niobate plate

#73
20230344400
2023-10-26

Electronic device and formation method therefor

#74
20230344399
2023-10-26

Method for fabricating an acoustic resonator device with perimeter structures

#75
20230336149
2023-10-19

MEMS DEVICE AND FABRICATION METHOD THEREOF

#76
20230336142
2023-10-19

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH OXIDE STRIP AND DUMMY FINGERS

#77
20230327649
2023-10-12

5.5 GHz Wi-Fi 5G COEXISTENCE ACOUSTIC WAVE RESONATOR RF FILTER CIRCUIT

#78
20230318570
2023-10-05

BULK ACOUSTIC WAVE DEVICES WITH SUPPRESSED NONLINEAR RESPONSE

#79
20230318564
2023-10-05

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH REDUCED SPURIOUS MODES

#80
20230318561
2023-10-05

ACOUSTIC WAVE FILTERS WITH IMPROVED SECOND HARMONIC RESPONSE

#81
20230291388
2023-09-14

Transversely-excited film bulk acoustic resonator with recessed rotated-Y-X cut lithium niobate

#82
20230275562
2023-08-31

ACOUSTIC WAVE DEVICE

#83
20230261637
2023-08-17

Recess frame structure for reduction of spurious signals in a bulk acoustic wave resonator

#84
20230261631
2023-08-17

Acoustic wave device

#85
20230261630
2023-08-17

ACOUSTIC WAVE DEVICE

#86
20230261626
2023-08-17

TUNING ACOUSTIC RESONATORS WITH BACK-SIDE COATING

#87
20230253953
2023-08-10

CROSSOVER REDUCTION FOR ACOUSTIC DUPLEXERS BY SPURIOUS MODES

#88
20230253942
2023-08-10

METHODS OF MANUFACTURING FILM BULK ACOUSTIC WAVE RESONATORS

#89
20230246631
2023-08-03

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR FOR REDUCED YX-CUT PIEZOELECTRIC COUPLING

#90
20230231537
2023-07-20

Resonator and Manufacturing Method Thereof, Filter, and Electronic Device

#91
20230231528
2023-07-20

Resonator and preparation method of a resonator, and filter

#92
20230216475
2023-07-06

ACOUSTIC WAVE DEVICE

#93
20230143242
2023-05-11

Filter

#94
20230134889
2023-05-04

STACKED DIE TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR (XBAR) FILTERS

#95
20230120240
2023-04-20

PIEZOELECTRIC SINGLE-CRYSTAL ELEMENT, MEMS DEVICE USING SAME, AND METHOD FOR MANUFACTURING SAME

#96
20230113584
2023-04-13

METHOD FOR FORMING A PIEZOELECTRIC FILM

#97
20230112677
2023-04-13

FILM BULK ACOUSTIC WAVE RESONATORS AND FILTERS WITH TRANSVERSE MODE SUPPRESSION

#98
20230112046
2023-04-13

Resonator shapes for bulk acoustic wave (BAW) devices

#99
20230103757
2023-04-06

RESONATOR AND METHOD OF MANUFACTURING THE RESONATOR, AND STRAIN SENSOR AND SENSOR ARRAY INCLUDING THE RESONATOR

#100
20230093762
2023-03-23

Resonator, filter and duplexer

#101
20230047232
2023-02-16

Fbar Type Filter

#102
20230034595
2023-02-02

PATTERNED CAVITY WALLS FOR TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR FRONTSIDE MEMBRANE RELEASE

#103
20230034164
2023-02-02

RF BAW RESONATOR FILTER ARCHITECTURE FOR 6.5GHZ WI-FI 6E COEXISTENCE AND OTHER ULTRA-WIDEBAND APPLICATIONS

#104
20230006632
2023-01-05

Transversely-excited film bulk acoustic resonators with piezoelectric diaphragm supported by piezoelectric substrate

#105
20220407500
2022-12-22

Wide-band acoustically coupled thin-film BAW filter

#106
20220407498
2022-12-22

Film bulk acoustic resonators in thin LN-LT layers

#107
20220393666
2022-12-08

FILTER DEVICE

#108
20220385263
2022-12-01

Transversely-excited film bulk acoustic resonators with piezoelectric diaphragm supported by piezoelectric substrate

#109
20220376669
2022-11-24

Solidly-mounted transversely-excited film bulk acoustic device and method

#110
20220352869
2022-11-03

Transversely-excited film bulk acoustic resonator with buried oxide strip acoustic confinement structures

#111
20220352868
2022-11-03

Transversely-excited film bulk acoustic resonator with buried oxide strip acoustic confinement structures

#112
20220352867
2022-11-03

Transversely-excited film bulk acoustic resonator with oxide strip acoustic confinement structures

#113
20220352866
2022-11-03

RF BAW RESONATOR FILTER ARCHITECTURE FOR 6.5GHZ WI-FI 6E COEXISTENCE AND OTHER ULTRA-WIDEBAND APPLICATIONS

#114
20220345110
2022-10-27

5.5 GHz Wi-Fi 5G coexistence acoustic wave resonator RF filter circuit

#115
20220337219
2022-10-20

RAISED AND RECESSED FRAMES ON BOTTOM AND TOP PLATES OF A BAW RESONATOR

#116
20220321098
2022-10-06

Diplexer using decoupled transversely-excited film bulk acoustic resonators

#117
20220321095
2022-10-06

ACOUSTIC WAVE DEVICE HAVING STACKED PIEZOELECTRIC LAYERS BETWEEN ELECTRODES

#118
20220321087
2022-10-06

Transversely-excited film bulk acoustic resonators with solidly mounted resonator (SMR) pedestals

#119
20220321077
2022-10-06

Corrosion resistant pad for enhanced thin film acoustic packaging (TFAP)

#120
20220302898
2022-09-22

Transversely-excited film bulk acoustic resonator matrix filters

#121
20220278666
2022-09-01

Filter using transversely-excited film bulk acoustic resonators with divided frequency-setting dielectric layers

#122
20220263490
2022-08-18

Symmetric transversely-excited film bulk acoustic resonators with reduced spurious modes

#123
20220247381
2022-08-04

Transversely-excited film bulk acoustic resonators with multiple piezoelectric membrane thicknesses on the same chip

#124
20220247373
2022-08-04

Transversely-excited film bulk acoustic resonators with multiple piezoelectric membrane thicknesses on the same chip

#125
20220239279
2022-07-28

Film bulk acoustic sensors using thin LN-LT layer

#126
20220231665
2022-07-21

5 and 6 GHz Wi-Fi coexistence acoustic wave resonator RF diplexer circuit

#127
20220231664
2022-07-21

Hybrid bulk acoustic wave filter

#128
20220231659
2022-07-21

Decoupled transversely-excited film bulk acoustic resonators

#129
20220216855
2022-07-07

Transversely-excited film bulk acoustic resonator with periodic etched holes

#130
20220216854
2022-07-07

Acoustic wave device

#131
20220216848
2022-07-07

Acoustic wave device

#132
20220216846
2022-07-07

ACOUSTIC WAVE DEVICE

#133
20220216844
2022-07-07

Acoustic wave device

#134
20220216842
2022-07-07

ACOUSTIC WAVE DEVICE AND FILTER DEVICE

#135
20220216392
2022-07-07

Acoustic wave device

#136
20220208852
2022-06-30

STRUCTURE OF SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME

#137
20220200573
2022-06-23

Filter using lithium niobate and lithium tantalate transversely-excited film bulk acoustic resonators

#138
20220200572
2022-06-23

Bulk acoustic wave resonator having multiple anti-resonant frequencies

#139
20220200571
2022-06-23

Bulk acoustic wave resonator having multiple resonant frequencies

#140
20220190807
2022-06-16

Rotation in XY plane to suppress spurious modes in XBAR devices

#141
20220182038
2022-06-09

Transversely-excited film bulk acoustic resonator with etched conductor patterns

#142
20220158608
2022-05-19

Solidly-mounted transversely-excited film bulk acoustic resonator with diamond layers in Bragg reflector stack

#143
20220149809
2022-05-12

Transversely-excited film bulk acoustic resonator with low thermal impedance

#144
20220149808
2022-05-12

Transversely-excited film bulk acoustic resonator with low thermal impedance

#145
20220149807
2022-05-12

Transversely-excited film bulk acoustic resonator with low thermal impedance

#146
20220131520
2022-04-28

Bulk acoustic wave resonator and bulk acoustic wave filter

#147
20220123730
2022-04-21

Solidly-mounted transversely-excited film bulk acoustic filters with multiple piezoelectric plate thicknesses

#148
20220123705
2022-04-21

Piezoelectric resonator unit and oscillator provided with the same

#149
20220116019
2022-04-14

Transversely-excited film bulk acoustic resonators with piezoelectric diaphragm supported by piezoelectric substrate

#150
20220116010
2022-04-14

Solidly-mounted transversely-excited film bulk acoustic resonators and filters for 27 GHz communications bands

#151
20220109428
2022-04-07

Transversely-excited film bulk acoustic resonator matrix filters

#152
20220103159
2022-03-31

METHODS OF MANUFACTURING BULK ACOUSTIC WAVE RESONATORS WITH PATTERNED MASS LOADING LAYERS

#153
20220103154
2022-03-31

Substrate processing and membrane release of transversely-excited film bulk acoustic resonator using a sacrificial tub

#154
20220103152
2022-03-31

Bulk acoustic wave resonator with patterned mass loading layer and recessed frame

#155
20220103151
2022-03-31

Bulk acoustic wave resonator with mass loading layer

#156
20220103150
2022-03-31

Bulk acoustic wave resonators with patterned mass loading layers

#157
20220094336
2022-03-24

Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication method

#158
20220094322
2022-03-24

ELECTRO-ACOUSTIC RESONATOR AND METHOD FOR MANUFACTURING THE SAME

#159
20220093683
2022-03-24

3D HETEROGENEOUS INTEGRATED CRYSTALLINE PIEZOELECTRIC BULK ACOUSTIC RESONATORS

#160
20220060177
2022-02-24

Acoustic resonator filter

#161
20220060170
2022-02-24

Solidly-mounted transversely-excited film bulk acoustic device

#162
20220052667
2022-02-17

Electronic device with solder interconnect and multiple material encapsulant

#163
20220052665
2022-02-17

RF BAW resonator filter architecture for 6.5GHz Wi-Fi 6E coexistence and other ultra-wideband applications

#164
20220021369
2022-01-20

Transversely-excited film bulk acoustic resonator with multi-pitch interdigital transducer

#165
20220021364
2022-01-20

Method for fabricating an acoustic resonator device with perimeter structures

#166
20220014174
2022-01-13

Acoustic wave device

#167
20220014170
2022-01-13

Lamb wave loop circuit for acoustic wave filter

#168
20220014169
2022-01-13

LAMB WAVE RESONATOR AND OTHER TYPE OF ACOUSTIC WAVE RESONATOR INCLUDED IN ONE OR MORE FILTERS

#169
20220014168
2022-01-13

Transversely-excited film bulk acoustic resonators with piezoelectric diaphragm supported by piezoelectric substrate

#170
20220014161
2022-01-13

Method for making transversely-excited film bulk acoustic resonators with piezoelectric diaphragm supported by piezoelectric substrate

#171
20210399718
2021-12-23

Filter using lithium niobate and lithium tantalate transversely-excited film bulk acoustic resonators

#172
20210399717
2021-12-23

Filter using lithium niobate and rotated lithium tantalate transversely-excited film bulk acoustic resonators

#173
20210399716
2021-12-23

Filter device, RF front-end device and wireless communication device

#174
20210399714
2021-12-23

Transversely-excited film bulk acoustic resonators with three-layer electrodes

#175
20210399713
2021-12-23

BAW resonance device, filter device and RF front-end device

#176
20210391844
2021-12-16

Transversely-excited film bulk acoustic resonator

#177
20210384889
2021-12-09

Bandpass filter with frequency separation between shunt and series resonators set by dielectric layer thickness

#178
20210376815
2021-12-02

Micro-transfer-printed acoustic wave filter device

#179
20210344325
2021-11-04

Transversely-excited film bulk acoustic resonator with etched conductor patterns

#180
20210344321
2021-11-04

Multi-layer raised frame in bulk acoustic wave device

#181
20210344317
2021-11-04

Transversely-excited film bulk acoustic resonator with etched conductor patterns

#182
20210336603
2021-10-28

Formation method of filter device

#183
20210336596
2021-10-28

Planarization method

#184
20210328568
2021-10-21

Solidly-mounted transversely-excited film bulk acoustic resonator

#185
20210313963
2021-10-07

Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication method

#186
20210313953
2021-10-07

Transversely-excited film bulk acoustic resonator with reduced spurious modes

#187
20210313952
2021-10-07

Transversely-excited film bulk acoustic resonator with reduced spurious modes

#188
20210313951
2021-10-07

Transversely-excited film bulk acoustic resonator with reduced spurious modes

#189
20210297055
2021-09-23

Acoustic wave device and filter

#190
20210281238
2021-09-09

Transversely-excited film bulk acoustic resonator with a cavity having round end zones

#191
20210273632
2021-09-02

Solidly-mounted transversely-excited film bulk acoustic resonator with recessed interdigital transducer fingers using rotated y-x cut lithium niobate

#192
20210273629
2021-09-02

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH MULTI-PITCH INTERDIGITAL TRANSDUCER

#193
20210273626
2021-09-02

Transversely-excited film bulk acoustic resonator with reduced spurious modes

#194
20210273625
2021-09-02

Aluminum nitride dopant scheme for bulk acoustic wave filters

#195
20210269177
2021-09-02

Enhanced thrust from ion-propelled spacecraft via tethered ion blocker

#196
20210265978
2021-08-26

Filters using transversly-excited film bulk acoustic resonators with frequency-setting dielectric layers

#197
20210265974
2021-08-26

Film bulk acoustic sensors using thin LN-LT layer

#198
20210257992
2021-08-19

Transversely-excited film bulk acoustic resonator with a bonding layer and an etch-stop layer

#199
20210257991
2021-08-19

Transversely-excited film bulk acoustic resonator with a back-side dielectric layer and an etch-stop layer

#200
20210257990
2021-08-19

Transversely-excited film bulk acoustic resonator with thermally conductive etch-stop layer

#201
20210234528
2021-07-29

Fifth-generation (5G)-focused piezoelectric resonators and filters

#202
20210184641
2021-06-17

Structure and method of manufacture for acoustic resonator or filter devices using improved fabrication conditions and perimeter structure modifications

#203
20210167756
2021-06-03

Transversely-excited film bulk acoustic resonator with periodic etched holes

#204
20210159874
2021-05-27

Acoustic resonators and filters that support fifth generation (5G) wireless communications standards

#205
20210143794
2021-05-13

Filter using transversely-excited film bulk acoustic resonators with multiple frequency setting layers

#206
20210143793
2021-05-13

RF filter device

#207
20210119604
2021-04-22

Film bulk acoustic resonators in thin LN-LT layers

#208
20210111703
2021-04-15

Filter using transversely-excited film bulk acoustic resonators with two frequency setting layers

#209
20210111694
2021-04-15

Lamb wave delay line with aluminum nitride piezoelectric layer

#210
20210105006
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Bulk acoustic wave filter co-package

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Method for forming multiple bulk acoustic wave filters on shared die

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XBAR resonators with non-rectangular diaphragms

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XBAR resonators with non-rectangular diaphragms

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Method for fabricating an acoustic resonator device

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Acoustic wave element having high acoustic velocity layer

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Transversly-excited film bulk acoustic resonators and filters

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Transversely-excited film bulk acoustic filter using pitch to establish frequency separation between resonators

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Wide bandwidth temperature-compensated transversely-excited film bulk acoustic resonator

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Gradient raised frames n film bulk acoustic resonators

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Bulk acoustic resonator and filter device

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Symmetric transversely-excited film bulk acoustic resonators with reduced spurious modes

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Multi-port filter using transversely-excited film bulk acoustic resonators

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2021-03-04

Elastic wave device

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Wide-band acoustically coupled thin-film BAW filter

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Film bulk acoustic resonators in thin LN-LT layers

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Filter using transversely-excited film bulk acoustic resonators with divided frequency-setting dielectric layers

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Bulk acoustic wave filters on shared die

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Filter using transversely-excited film bulk acoustic resonators with divided frequency-setting dielectric layers

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Lateral bulk acoustic wave filter

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Bulk acoustic wave/film bulk acoustic wave resonator and filter for wide bandwidth applications

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Transversely-excited film bulk acoustic resonator with half-lambda dielectric layer

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Transversely-excited film bulk acoustic resonator with reduced spurious modes

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Transversely-excited film bulk acoustic resonator and filter with a uniform-thickness dielectric overlayer

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TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH ETCHED CONDUCTOR PATTERNS

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Transversely-excited film bulk acoustic resonator with a cavity having a curved perimeter

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TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH ETCHED CONDUCTOR PATTERNS

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Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication method

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2020-11-26

Film bulk acoustic resonator including recessed frame with scattering sides

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2020-11-12

Solidly-mounted transversely excited film bulk acoustic resonator using rotated Y-X cut lithium niobate

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2020-11-05

Transversely-excited film bulk acoustic resonator with etch-stop layer

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2020-11-05

Transversely-excited film bulk acoustic resonator with periodic etched holes

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Filter using transversely-excited film bulk acoustic resonators with multiple frequency setting layers

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2020-10-29

Effective coupling coefficients for strained single crystal epitaxial film bulk acoustic resonators

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Transversely-excited film bulk acoustic resonator

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2020-10-22

Resonator shapes for bulk acoustic wave (BAW) devices

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Transversely-excited film bulk acoustic resonator with half-lambda dielectric layer

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Acoustic resonator filter package

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Solidly-mounted transversely-excited film bulk acoustic resonator with diamond layers in Bragg reflector stack

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Rotation in XY plane to suppress spurious modes in XBAR devices

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2020-09-03

Thin-film bulk acoustic resonator and semiconductor apparatus comprising the same

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XBAR resonators with non-rectangular diaphragms

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5.5 GHz Wi-Fi 5G coexistence acoustic wave resonator RF filter circuit

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2020-07-02

RESONATOR AND METHOD OF MANUFACTURING THE RESONATOR, AND STRAIN SENSOR AND SENSOR ARRAY INCLUDING THE RESONATOR

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2020-07-02

Spurious-mode-free, laterally-vibrating microelectromechanical system resonators

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2020-06-25

FRONT END MODULE

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2020-06-25

Acoustic wave device, high-frequency front-end circuit, and communication apparatus

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2020-06-04

Transversely excited film bulk acoustic resonator using rotated Y-X cut lithium niobate

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Bulk acoustic wave filter

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Acoustic filtering circuitry

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Acoustic resonator

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Solidly-mounted transversely-excited film bulk acoustic resonator

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2020-04-16

Techniques for monolithic co-integration of polycrystalline thin-film bulk acoustic resonator devices and monocrystalline III-N semiconductor transistor devices

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2020-03-26

Multi-layer raised frame in bulk acoustic wave device

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Bandpass filter with frequency separation between shunt and series resonators set by dielectric layer thickness

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2020-03-19

Positions of release ports for sacrificial layer etching

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2020-03-12

Lateral bulk acoustic wave filter

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2020-03-12

Recess frame structure for a bulk acoustic wave resonator

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2020-01-30

Acoustic wave filter device

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2019-12-26

Tunable film bulk acoustic resonators and FBAR filters with digital to analog converters

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2019-12-19

Solidly-mounted transversely-excited film bulk acoustic resonator

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2019-12-19

Transversely-excited film bulk acoustic resonator

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2019-12-19

Transversely-excited film bulk acoustic resonator

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FILM BULK ACOUSTIC WAVE RESONATORS AND FABRICATION METHODS THEREOF

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Acoustic filter with packaging-defined boundary conditions and method for producing the same

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Acoustic wave resonator and electronic filter circuit

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2019-11-14

Acoustic wave filter formed on a V-groove topography and method for producing the same

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GaN stack acoustic reflector and method for producing the same

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2019-10-24

Bulk acoustic wave resonators having doped piezoelectric material and an adhesion and diffusion barrier layer

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2019-10-17

Piezoelectric thin film and bulk acoustic wave filter

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2019-10-17

BAW structure having multiple BAW transducers over a common reflector, which has reflector layers of varying thicknesses

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2019-10-03

Epitaxial AIN/cREO structure for RF filter applications

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2019-09-05

LAMB WAVE LOOP CIRCUIT FOR ACOUSTIC WAVE FILTER

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2019-09-05

Lamb wave resonator and other type of acoustic wave resonator included in one or more filters

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2019-09-05

Lamb wave element and bulk acoustic wave resonator on common substrate

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2019-09-05

Integrated acoustic filter on complementary metal oxide semiconductor (CMOS) die

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2019-08-15

Acoustic wave element and method for manufacturing same

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2019-06-27

Film bulk acoustic resonator (FBAR) devices with 2DEG bottom electrode

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2019-06-20

Structure and method of manufacture for acoustic resonator or filter devices using improved fabrication conditions and perimeter structure modifications

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2019-06-13

Communication filter for LTE band 41

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2019-06-06

Film bulk acoustic resonator (FBAR) RF filter having epitaxial layers

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2019-05-16

Acoustic wave device and method of fabricating the same, filter, and multiplexer

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20190123719
2019-04-25

Micro-transfer-printed acoustic wave filter device

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20190115901
2019-04-18

Ladder-type filter, piezoelectric thin film resonator, and method of fabricating the same

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20190036504
2019-01-31

Structure and method of manufacture for acoustic resonator or filter devices using improved fabrication conditions and perimeter structure modifications

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2019-01-17

5.2 GHz Wi-Fi coexistence acoustic wave resonator RF filter circuit

#296
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2019-01-17

Method for fabricating an acoustic resonator device with perimeter structures

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20190020324
2019-01-17

Structure and method of manufacture for acoustic resonator or filter devices using improved fabrication conditions and perimeter structure modifications

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2019-01-03

Piezoelectric thin film resonator, filter, and multiplexer

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2019-01-03

Piezoelectric thin film resonator and fabrication method of the same, filter, and multiplexer

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2018-12-27

Aluminum nitride film, acoustic wave device, filter, and multiplexer