ClassID:

220535

H03H9/02149 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details of bulk acoustic wave devices; Means for compensation or elimination of undesirable effects of ageing changes of characteristics, e.g. electro-acousto-migration

Recent Application in this class:
#1
20250211191
2025-06-26

VOLUME ACOUSTIC DEVICE AND METHOD FOR PRODUCING A VOLUME ACOUSTIC DEVICE

#2
20230361757
2023-11-09

Partially Suspending a Piezoelectric Layer Using a Dielectric

#3
20230132706
2023-05-04

FBAR Filter with Trap Rich Layer

#4
20220407491
2022-12-22

TRANSDUCER STRUCTURE FOR AN ACOUSTIC WAVE DEVICE

#5
20220216844
2022-07-07

Acoustic wave device

#6
20190386627
2019-12-19

Method of forming an integrated resonator with a mass bias

#7
20190245504
2019-08-08

Piezoelectric resonator unit and method of manufacturing the same

#8
20190238115
2019-08-01

Piezoelectric resonator unit

#9
20190229704
2019-07-25

Crystal resonator plate and crystal resonator device

#10
20190212145
2019-07-11

Vibrator device, circuit device, method of manufacturing vibrator device, electronic apparatus, and vehicle

#11
20190123708
2019-04-25

Bulk acoustic wave resonator

#12
20190036511
2019-01-31

Acoustic resonator structure having an electrode with a cantilevered portion

#13
20180278232
2018-09-27

Bulk acoustic wave resonator and filter including the same

#14
20180183407
2018-06-28

Bulk acoustic wave resonator and filter including the same

#15
20180062609
2018-03-01

Piezoelectric thin film resonator, filter, and multiplexer

#16
20180054179
2018-02-22

Guided acoustic wave device

#17
20170093368
2017-03-30

Acoustic resonator structure having an electrode with a cantilevered portion

#18
20160373083
2016-12-22

Bulk acoustic wave resonator with a molybdenum tantalum alloy electrode and filter including the same

#19
20160105156
2016-04-14

Method of forming an integrated resonator with a mass bias

#20
20150214921
2015-07-30

Vibrating element, vibrator, oscillator, and electronic device with stepped excitation section

#21
20140333177
2014-11-13

Protected resonator

#22
20140139077
2014-05-22

Acoustic resonator structure having an electrode with a cantilevered portion

#23
20140125432
2014-05-08

Selective tuning of acoustic devices

#24
20140125203
2014-05-08

Bulk acoustic wave (BAW) resonator structure having an electrode with a cantilevered portion and a piezoelectric layer with varying amounts of dopant

#25
20140125202
2014-05-08

Bulk acoustic wave (BAW) resonator structure having an electrode with a cantilevered portion and a piezoelectric layer with multiple dopants

#26
20140117815
2014-05-01

TEMPERATURE COMPENSATED RESONATOR DEVICE HAVING LOW TRIM SENSITIVY AND METHOD OF FABRICATING THE SAME

#27
20130320808
2013-12-05

Integrated resonator with a mass bias

#28
20130193808
2013-08-01

Film bulk acoustic resonator with multi-layers of different piezoelectric materials and method of making

#29
20130147320
2013-06-13

Bulk acoustic wave resonator and manufacturing method thereof, and radio frequency device using bulk acoustic wave resonator

#30
20130134831
2013-05-30

Acoustic wave device and multilayered substrate

#31
20130020915
2013-01-24

Tuning fork-type piezoelectric resonator plate and tuning fork-type piezoelectric resonator

#32
20130014361
2013-01-17

Method of manufacturing a piezoelectric vibrator

#33
20120326807
2012-12-27

ACOUSTIC RESONATOR STRUCTURE HAVING AN ELECTRODE WITH A CANTILEVERED PORTION

#34
20120326560
2012-12-27

WAFER LEVEL FABRICATION OF CAVITY FOR SURFACE ACOUSTIC WAVE FILTER

#35
20120274183
2012-11-01

Protected resonator

#36
20120229223
2012-09-13

Vibrating element, vibrator, oscillator, and electronic device

#37
20120206015
2012-08-16

ACOUSTIC RESONATOR STRUCTURE COMPRISING A BRIDGE

#38
20120194297
2012-08-02

ACOUSTIC RESONATOR STRUCTURE COMPRISING A BRIDGE

#39
20120161902
2012-06-28

Solid mount bulk acoustic wave resonator structure comprising a bridge

#40
20120146744
2012-06-14

Acoustic wave device and method for manufacturing the same

#41
20120056694
2012-03-08

Composite bulk acoustic wave resonator

#42
20120049976
2012-03-01

Bulk acoustic wave resonator structure, a manufacturing method thereof, and a duplexer using the same

#43
20120013224
2012-01-19

Protected resonator

#44
20110316392
2011-12-29

Piezoelectric resonator and electrode structure thereof

#45
20110304412
2011-12-15

Acoustic Wave Resonators and Methods of Manufacturing Same

#46
20110298564
2011-12-08

Thin-film piezoelectric resonator and thin-film piezoelectric filter using the same

#47
20110241480
2011-10-06

Surface acoustic wave device

#48
20110025166
2011-02-03

Piezoelectric vibrator, manufacturing method of piezoelectric vibrator, oscillator, electronic device, and radio-controlled timepiece

#49
20110018398
2011-01-27

PIEZOELECTRIC VIBRATOR, MANUFACTURING METHOD OF PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC DEVICE, AND RADIO-CONTROLLED CLOCK

#50
20100327994
2010-12-30

Acoustic resonator structure having an electrode with a cantilevered portion

#51
20100327697
2010-12-30

Acoustic resonator structure comprising a bridge

#52
20100187948
2010-07-29

Protected resonator

#53
20100107387
2010-05-06

Bulk acoustic wave resonator, filter and duplexer and methods of making same

#54
20100096358
2010-04-22

Method of manufacturing a ladder filter

#55
20100084948
2010-04-08

Crystal oscillator piece and method for manufacturing the same

#56
20100079038
2010-04-01

Piezoelectric vibrator and electrode structure of piezoelectric vibrator

#57
20090322186
2009-12-31

Thin film piezoelectric resonator and method for manufacturing the same

#58
20090302973
2009-12-10

Bulk acoustic resonators with multi-layer electrodes

#59
20090200899
2009-08-13

METHOD OF MANUFACTURING MICROMACHINE, AND MICROMACHINE

#60
20090146531
2009-06-11

Manufacturing process for thin film bulk acoustic resonator (FBAR) filters

#61
20080289162
2008-11-27

Method of manufacturing a piezoelectric vibrator

#62
20080284542
2008-11-20

FILM BULK ACOUSTIC RESONATOR

#63
20080284280
2008-11-20

Method of stabilizing a frequency of a piezoelectric vibration element

#64
20080258842
2008-10-23

Acoustic resonator performance enhancement using alternating frame structure

#65
20080169728
2008-07-17

Piezoelectric thin film resonator, piezoelectric thin film resonator filter and manufacturing method thereof

#66
20080129417
2008-06-05

Ladder type filter

#67
20080060181
2008-03-13

Method of fabricating an acoustic resonator comprising a filled recessed region

#68
20070247260
2007-10-25

ELECTRONIC DEVICE

#69
20070221494
2007-09-27

PIEZOELECTRIC RESONATOR, PIEZOELECTRIC FILTER, DUPLEXER, COMMUNICATION APPARATUS, AND METHOD FOR MANUFACTURING PIEZOELECTRIC RESONATOR

#70
20070103037
2007-05-10

Component with a piezoelectric functional layer

#71
20060270090
2006-11-30

Electrostatic discharge protection of thin-film resonators

#72
20060226932
2006-10-12

Acoustic resonator performance enhancement using filled recessed region

#73
20060186759
2006-08-24

Silicon film bulk acoustic wave device and process of the same

#74
20060179642
2006-08-17

Method for manufacturing a film bulk acoustic resonator

#75
20060170305
2006-08-03

Piezoelectric vibration element, piezoelectric vibrator, piezoelectric oscillator, frequency stabilization method, and method of manufacturing the piezoelectric vibrator

#76
20060145785
2006-07-06

Piezoelectric resonator and method for manufacturing the same

#77
20060131990
2006-06-22

Electro-acoustic resonator with a top electrode layer thinner than a bottom electrode layer

#78
20060119230
2006-06-08

Piezoelectric thin-film resonator and process for producing same

#79
20060091764
2006-05-04

Piezoelectric thin-film resonator and filter using the same

#80
20060071736
2006-04-06

Acoustic resonator performance enhancement using alternating frame structure

#81
20050275486
2005-12-15

Acoustic resonator performance enhancements using recessed region

#82
20050218755
2005-10-06

Bulk acoustic wave resonator, filter and duplexer and methods of making same

#83
20050218754
2005-10-06

Resonator, filter and fabrication of resonator

#84
20050218753
2005-10-06

Acoustic resonator and filter

#85
20050194626
2005-09-08

Electronic device and method of fabricating the same

#86
20050168110
2005-08-04

Method for manufacturing a piezoelectric resonator

#87
20050140247
2005-06-30

Film bulk acoustic wave resonator device and manufacturing method thereof

#88
20050093397
2005-05-05

Method of producing thin film bulk acoustic resonator

#89
20050088257
2005-04-28

Manufacturing process for thin film bulk acoustic resonator (FBAR) filters

#90
20050068124
2005-03-31

Acoustic mirror