ClassID:

220725

H03H9/172 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Constructional features of resonators consisting of piezo-electric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume

Sub-classes:
Recent Application in this class:
#1
20260081577
2026-03-19

EMBEDDED SILICON DIOXIDE IN ELECTRODE TO REDUCE TEMPERATURE COEFFICIENT OF FREQUENCY IN BULK ACOUSTIC WAVE RESONATOR

#2
20260058632
2026-02-26

BULK ACOUSTIC WAVE DEVICES WITH HIGH ACOUSTIC VELOCITY ELECTRODES

#3
20260005669
2026-01-01

BULK ACOUSTIC WAVE DEVICE WITH RECESSED FRAME STRUCTURE IN ACOUSTICALLY ACTIVE REGION

#4
20250274095
2025-08-28

MULTI-TERMINAL BULK ACOUSTIC WAVE RESONATOR UTILIZING OVERTONE MODES

#5
20250183875
2025-06-05

ACOUSTIC WAVE DEVICE

#6
20250183870
2025-06-05

ACOUSTIC WAVE DEVICE

#7
20250080081
2025-03-06

BULK ACOUSTIC RESONATOR AND METHOD FOR MANUFACTURING THE SAME, FILTER AND ELECTRONIC DEVICE

#8
20250023538
2025-01-16

BULK ACOUSTIC WAVE RESONATORS HAVING CONVEX SURFACES, AND METHODS OF FORMING THE SAME

#9
20240405745
2024-12-05

BULK ACOUSTIC RESONATOR, ACOUSTIC FILTER, AND ELECTRONIC DEVICE

#10
20240267024
2024-08-08

ACOUSTIC RESONATOR STRUCTURE WITH IMPROVED TEMPERATURE COEFFICIENT OF FREQUENCY (TCF)

#11
20240080011
2024-03-07

BAW RESONATOR AND BAW RESONATOR MANUFACTURING METHOD

#12
20240072764
2024-02-29

BULK ACOUSTIC WAVE RESONANT STRUCTURE AND MANUFACTURING METHOD THEREFOR

#13
20240056052
2024-02-15

ACOUSTIC WAVE DEVICE, FILTER AND MULTIPLEXER

#14
20240030885
2024-01-25

ACOUSTIC WAVE DEVICE

#15
20230396229
2023-12-07

Bulk acoustic wave resonators having convex surfaces, and methods of forming the same

#16
20230378928
2023-11-23

Assemblies Including an Acoustic Resonator Device and Methods of Forming

#17
20230253953
2023-08-10

CROSSOVER REDUCTION FOR ACOUSTIC DUPLEXERS BY SPURIOUS MODES

#18
20230223908
2023-07-13

Single crystal film bulk acoustic resonator, manufacturing method for single crystal film bulk acoustic resonator, and filter

#19
20230198498
2023-06-22

THIN-FILM BULK ACOUSTIC WAVE RESONATOR, FORMING METHOD, AND FILTER

#20
20230093762
2023-03-23

Resonator, filter and duplexer

#21
20230084640
2023-03-16

ACOUSTIC RESONATOR PACKAGE

#22
20230047232
2023-02-16

Fbar Type Filter

#23
20230037168
2023-02-02

METAL CAVITY FOR TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR (XBAR)

#24
20230024466
2023-01-26

FILM PIEZOELECTRIC ACOUSTIC RESONATOR, FILTER AND ELECTRONIC APPARATUS

#25
20230006643
2023-01-05

ACOUSTIC RESONATOR

#26
20220393662
2022-12-08

Bulk acoustic wave filter having release hole and fabricating method of the same

#27
20220329230
2022-10-13

PIEZOELECTRIC VIBRATING SUBSTRATE AND PIEZOELECTRIC VIBRATING ELEMENT

#28
20220321094
2022-10-06

BULK ACOUSTIC WAVE FILTER HAVING RELEASE HOLE AND FABRICATING METHOD OF THE SAME

#29
20220311413
2022-09-29

Fin field-effect transistor (FinFET) resonator

#30
20220255530
2022-08-11

RESONATOR AND ELECTRONIC DEVICE

#31
20220231652
2022-07-21

Method for manufacturing a piezoelectric resonator

#32
20220209741
2022-06-30

Bulk acoustic wave resonator and formation method thereof

#33
20220140815
2022-05-05

QUARTZ CRYSTAL RESONATOR UNIT, ELECTRONIC COMPONENT, AND ELECTRONIC DEVICE

#34
20220069800
2022-03-03

Acoustic resonator filter

#35
20220052668
2022-02-17

Vibrator device

#36
20210399715
2021-12-23

Piezoelectric resonator device

#37
20210194450
2021-06-24

Acoustic resonator

#38
20210184652
2021-06-17

MANUFACTURING OF C-AXIS TEXTURED SIDEWALL ALN FILMS

#39
20210126611
2021-04-29

ELECTRIC DEVICE WAFER

#40
20210111695
2021-04-15

ELLIPTICAL STRUCTURE FOR BULK ACOUSTIC WAVE RESONATOR

#41
20210066575
2021-03-04

Elastic wave device

#42
20200382099
2020-12-03

Film bulk acoustic resonator (FBAR) devices for high frequency RF filters

#43
20200382091
2020-12-03

Bulk acoustic wave resonators having convex surfaces, and methods of forming the same

#44
20200373911
2020-11-26

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

#45
20200350889
2020-11-05

METHOD AND STRUCTURE TO REDUCE IMPACT OF EXTERNAL STRESS AND AGING OF A BAW RESONATOR

#46
20200252050
2020-08-06

Resonator device, resonator module, electronic apparatus, and vehicle

#47
20200096476
2020-03-26

Electronic device including gas sensor and method of operating the same

#48
20200059215
2020-02-20

Acoustic resonator

#49
20190341899
2019-11-07

Acoustic resonator structure

#50
20190334503
2019-10-31

Film bulk acoustic wave resonators and fabrication methods thereof

#51
20190260342
2019-08-22

Microelectronic devices having vertical piezoelectric membranes for integrated RF filters

#52
20190214965
2019-07-11

RF filters and resonators of crystalline III-N films

#53
20190190489
2019-06-20

Film bulk acoustic resonator (FBAR) devices for high frequency RF filters

#54
20190181831
2019-06-13

Communication filter for LTE band 41

#55
20190068162
2019-02-28

CRYSTAL CONTROLLED OSCILLATOR

#56
20190044493
2019-02-07

Elliptical structure for bulk acoustic wave resonator

#57
20190013792
2019-01-10

Acoustic resonator and method for manufacturing the same

#58
20190007020
2019-01-03

Bulk acoustic wave resonators having convex surfaces, and methods of forming the same

#59
20180358406
2018-12-13

Techniques for integrating three-dimensional islands for radio frequency (RF) circuits

#60
20180287585
2018-10-04

Ultrasonic device having large radiating area

#61
20180159505
2018-06-07

Acoustic wave filter device

#62
20180048286
2018-02-15

Resonator and resonance device

#63
20180019726
2018-01-18

Bulk acoustic wave resonator device

#64
20170358730
2017-12-14

Elastic wave device

#65
20170310299
2017-10-26

Transverse bulk acoustic wave filter

#66
20170294894
2017-10-12

Piezoelectric thin film and piezoelectric vibrator

#67
20170257076
2017-09-07

Piezoelectric thin film resonator, filter, and duplexer

#68
20170244380
2017-08-24

Copper pillar bump pad structure for BAW devices

#69
20170179922
2017-06-22

Resonator and resonating device

#70
20170149408
2017-05-25

Acoustic resonator with reduced mechanical clamping of an active region for enhanced shear mode response

#71
20160365840
2016-12-15

THIN FILM ULTRASOUND TRANSDUCER

#72
20160285430
2016-09-29

Elastic wave device and fabrication method thereof

#73
20160079956
2016-03-17

Acoustic resonator and method of manufacturing the same

#74
20160065172
2016-03-03

Membrane substrate structure for single crystal acoustic resonator device

#75
20160013771
2016-01-14

Temperature controlled acoustic resonator comprising feedback circuit

#76
20150381141
2015-12-31

Temperature controlled acoustic resonator

#77
20150318838
2015-11-05

Enhanced MEMS vibrating device

#78
20150280679
2015-10-01

Method of fabricating acoustic resonator with planarization layer

#79
20150244346
2015-08-27

Bulk acoustic wave resonators having doped piezoelectric material and frame elements

#80
20150162893
2015-06-11

Acoustic wave device and method for manufacturing same

#81
20150155849
2015-06-04

SURFACE MOUNTING QUARTZ CRYSTAL UNIT AND METHOD OF FABRICATING THE SAME

#82
20150116052
2015-04-30

Package, resonation device, oscillator, electronic device, and moving object

#83
20150054386
2015-02-26

Resonating element, resonator, electronic device, electronic apparatus, and mobile object

#84
20140368084
2014-12-18

Acoustic wave device and method for manufacturing same

#85
20140292437
2014-10-02

Resonator element, resonator, oscillator, electronic apparatus, and moving object

#86
20140292436
2014-10-02

Vibration element, vibrator, oscillator, electronic apparatus, and moving object

#87
20140292434
2014-10-02

Vibration element, vibrator, oscillator, electronic apparatus, and moving object

#88
20140253253
2014-09-11

Resonator element, resonator, oscillator, electronic apparatus, and moving object

#89
20130249648
2013-09-26

HBAR resonator comprising a structure for amplifying the amplitude of at least one resonance of said resonator and methods for producing such a resonator

#90
20130194057
2013-08-01

Temperature controlled acoustic resonator

#91
20130135056
2013-05-30

Oscillator device and manufacturing process of the same

#92
20130120083
2013-05-16

Contour-mode piezoelectric micromechanical resonators

#93
20130049888
2013-02-28

Acoustic resonator formed on a pedestal

#94
20130043959
2013-02-21

Resonating element, resonator, electronic device, electronic apparatus, and mobile object

#95
20120313480
2012-12-13

MEMS devices made with isotopic materials

#96
20120280758
2012-11-08

Bulk acoustic wave resonator and method of manufacturing thereof

#97
20120268440
2012-10-25

Widening resonator bandwidth using mechanical loading

#98
20120206018
2012-08-16

Resonator and oscillator with a tuning fork vibrator in a cut-out portion of a layered body

#99
20120204415
2012-08-16

Process for producing an acoustic device having a controlled-bandgap phononic crystal structure

#100
20120117769
2012-05-17

Method for manufacturing piezoelectric element

#101
20120081195
2012-04-05

Lateral over-moded bulk acoustic resonators

#102
20110279187
2011-11-17

HBAR resonator with high temperature stability

#103
20110234055
2011-09-29

Acoustic wave device and method for manufacturing same

#104
20110234052
2011-09-29

Quartz-crystal devices and methods for manufacturing same

#105
20110210802
2011-09-01

HBAR resonator with a high level of integration

#106
20110181154
2011-07-28

Thin film piezoelectric vibrator, thin film piezoelectric bulk acoustic wave resonator, and radio-frequency filter using such resonator

#107
20110169583
2011-07-14

OSCILLATOR HAVING REDUCED SENSITIVITY TO ACCELERATION

#108
20110133856
2011-06-09

Contour-mode piezoelectric micromechanical resonators

#109
20110133848
2011-06-09

Oscillator having micro-electromechanical resonators and driver circuits therein that support in-phase and out-of-phase signals

#110
20100194499
2010-08-05

Micro-electromechanical devices having variable capacitors therein that compensate for temperature-induced frequency drift in acoustic resonators

#111
20100194241
2010-08-05

Thin-film bulk acoustic resonators having perforated bodies that provide reduced susceptibility to process-induced lateral dimension variations

#112
20100175236
2010-07-15

METHOD FOR MANUFACTURING PIEZOELECTRIC DEVICE

#113
20100132174
2010-06-03

Method of manufacturing film bulk acoustic resonator using internal stress of metallic film and resonator manufactured thereby

#114
20100109808
2010-05-06

Switchable tunable acoustic resonator using BST material

#115
20100066467
2010-03-18

Lithographically defined multi-standard multi-frequency high-Q tunable micromechanical resonators

#116
20100060386
2010-03-11

Bulk acoustic wave resonator with adjustable resonance frequency and use of such a resonator in the field of telephony

#117
20100060111
2010-03-11

Thin-film piezoelectric-on-insulator resonators having perforated resonator bodies therein

#118
20090309677
2009-12-17

Electroacoustic resonator, filter, duplexer and method for determining parameters of a resonator

#119
20090295506
2009-12-03

Bulk acoustic wave device and a method of its manufacturing

#120
20090267457
2009-10-29

Bulk acoustic wave resonator with reduced energy loss

#121
20090267453
2009-10-29

Bulk acoustic wave resonator with controlled thickness region having controlled electromechanical coupling

#122
20090201096
2009-08-13

Oscillator having reduced sensitivity to acceleration

#123
20090144963
2009-06-11

Contour-mode piezoelectric micromechanical resonators

#124
20090133237
2009-05-28

PIEZOELECTRIC DEVICE AND METHOD OF MANUFACTURING PIEZOELECTRIC RESONATORS

#125
20090127978
2009-05-21

Film bulk acoustic wave resonator, its fabrication method and film bulk acoustic wave resonator filter using the resonator

#126
20090108959
2009-04-30

Contour-Mode Piezoelectric Micromechanical Resonators

#127
20090101999
2009-04-23

Electronic device on substrate with cavity and mitigated parasitic leakage path

#128
20090072663
2009-03-19

Single-resonator dual-frequency lateral-extension mode piezoelectric oscillators, and operating methods thereof

#129
20090045704
2009-02-19

Method for forming a multi-layer electrode underlying a piezoelectric layer and related structure

#130
20080297281
2008-12-04

Piezo-on-diamond resonators and resonator systems

#131
20080283373
2008-11-20

Assembly of a microswitch and of an acoustic resonator

#132
20080246559
2008-10-09

Lithographically-defined multi-standard multi-frequency high-Q tunable micromechanical resonators

#133
20080111651
2008-05-15

Thin film piezoelectric vibrator, thin film piezoelectric bulk acoustic wave resonator, and radio-frequency filter using such resonator

#134
20080104813
2008-05-08

POLYMER BULK ACOUSTIC RESONATOR

#135
20080028585
2008-02-07

Method of isolation for acoustic resonator device

#136
20070240294
2007-10-18

MEMS piezoelectric longitudinal mode resonator

#137
20070236310
2007-10-11

Electronic device on substrate with cavity and mitigated parasitic leakage path

#138
20070210879
2007-09-13

Switchable tunable acoustic resonator using BST material

#139
20070152777
2007-07-05

Support for acoustic resonator and corresponding integrated circuit

#140
20070139141
2007-06-21

Acoustic devices using an AlGaN piezoelectric region

#141
20070090725
2007-04-26

Piezoelectric resonator and method for producing the same

#142
20070063793
2007-03-22

Polymer bulk acoustic resonator

#143
20070046157
2007-03-01

Piezoelectric device and method of manufacturing piezoelectric resonators

#144
20070040473
2007-02-22

Hybrid resonant structure

#145
20070013463
2007-01-18

Film bulk acoustic wave resonator and manufacturing method thererof

#146
20060290449
2006-12-28

Contour-mode piezoelectric micromechanical resonators

#147
20060284706
2006-12-21

Film bulk acoustic resonator (FBAR) process using single-step resonator layer deposition

#148
20060273867
2006-12-07

Contour-mode piezoelectric micromechanical resonators

#149
20060186762
2006-08-24

Ultrasonic element

#150
20060164186
2006-07-27

Resonator and component with hermetic encapsulation

#151
20060119230
2006-06-08

Piezoelectric thin-film resonator and process for producing same

#152
20060066175
2006-03-30

Piezoelectric resonator, method for manufacturing the same, piezoelectric filter, and duplexer

#153
20060038636
2006-02-23

Resonator and filter using the same

#154
20050179508
2005-08-18

Thin film bulk acoustic wave resonator and production method of the same

#155
20050162040
2005-07-28

Tunable bulk acoustic wave MEMS micro-resonator

#156
20050146401
2005-07-07

Acoustic resonator

#157
20050142888
2005-06-30

Film bulk acoustic resonator and method for manufacturing the same

#158
20050140743
2005-06-30

Piezoelectric film, piezoelectric element, piezoelectric actuator, piezoelectric pump, ink-jet type recording head, ink-jet printer surface-acoustic-wave element, thin-film piezoelectric resonator, frequency filter, oscillator, electronic circuit, and electronic apparatus

#159
20050034822
2005-02-17

Method for fabricating a film bulk acoustic resonator

#160
20050030128
2005-02-10

Film bulk acoustic resonator structure and method of making

#161
20050018019
2005-01-27

Ink jet recording head and ink jet printer with piezoelectric element

#162
20050012571
2005-01-20

Film bulk acoustic resonator having supports and manufacturing method therefore

#163
20050001274
2005-01-06

Method of manufacturing film bulk acoustic resonator using internal stress of metallic film and resonator manufactured thereby