ClassID:

220400

H03H2003/0428 - CPC Classification

Classification description:

Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezo-electric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient; Resonance frequency; Modification of the thickness of an element of an electrode

Recent Application in this class:
#1
20250211203
2025-06-26

FUNDAMENTAL TONE MITIGATION FOR SECOND OVERTONE BULK ACOUSTIC WAVE RESONATOR

#2
20250192750
2025-06-12

BULK ACOUSTIC WAVE DEVICE WITH BONDING LAYER FOR FREQUENCY ADJUSTMENT LAYER

#3
20250112608
2025-04-03

METHOD FOR ADJUSTING FREQUENCY OF PIEZOELECTRIC RESONATOR DEVICE AND PIEZOELECTRIC RESONATOR DEVICE

#4
20250038729
2025-01-30

METHOD FOR ADJUSTING FREQUENCY OF PIEZOELECTRIC RESONATOR DEVICE AND PIEZOELECTRIC RESONATOR DEVICE

#5
20240372519
2024-11-07

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

#6
20240297632
2024-09-05

ACOUSTIC WAVE FILTER AND METHOD OF IMPROVING FREQUENCY DISTRIBUTION IN RESONATORS FOR SAME

#7
20230344399
2023-10-26

Method for fabricating an acoustic resonator device with perimeter structures

#8
20230223909
2023-07-13

ACOUSTIC WAVE DEVICE AND ACOUSTIC-WAVE-DEVICE MANUFACTURING METHOD

#9
20230103757
2023-04-06

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

#10
20220173717
2022-06-02

Piezoelectric vibrator element, piezoelectric vibrator, oscillator, and method of manufacturing piezoelectric vibrator element

#11
20220021364
2022-01-20

Method for fabricating an acoustic resonator device with perimeter structures

#12
20210242856
2021-08-05

Vibrator element and vibrator device

#13
20210184641
2021-06-17

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

#14
20210104993
2021-04-08

Method for fabricating an acoustic resonator device

#15
20200186116
2020-06-11

Method for manufacturing piezoelectric vibration element and method for manufacturing piezoelectric vibrator

#16
20200112298
2020-04-09

4.5G 3.55-3.7 GHz band bulk acoustic wave resonator RF filter circuit

#17
20190372555
2019-12-05

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

#18
20190253032
2019-08-15

Frequency adjustment method for piezoelectric resonator device

#19
20190195630
2019-06-27

Vibrator device including reduced mounting stress and frequency variation

#20
20190190479
2019-06-20

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

#21
20190103853
2019-04-04

Bulk acoustic wave resonator with piezoelectric layer comprising lithium niobate or lithium tantalate

#22
20190036504
2019-01-31

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

#23
20190020325
2019-01-17

Method for fabricating an acoustic resonator device with perimeter structures

#24
20190020324
2019-01-17

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

#25
20180167051
2018-06-14

Piezoelectric vibrating piece and piezoelectric device

#26
20180076785
2018-03-15

Method of manufacturing piezoelectric resonator unit

#27
20180054181
2018-02-22

Crystal resonator

#28
20170302242
2017-10-19

Piezoelectric vibration member and method of manufacturing the same

#29
20170237411
2017-08-17

Acoustic wave filter and method for manufacturing the same

#30
20170214387
2017-07-27

Bulk acoustic wave resonator with piezoelectric layer comprising lithium niobate or lithium tantalate

#31
20170179914
2017-06-22

Method to reduce frequency distribution of bulk acoustic wave resonators during manufacturing

#32
20160344362
2016-11-24

Method of manufacturing piezoelectric vibrator element, piezoelectric vibrator element, and piezoelectric vibrator

#33
20160028371
2016-01-28

Filter and duplexer with resonators having insertion films of different widths

#34
20150017320
2015-01-15

Method of manufacturing stacked thin film piezoelectric filter

#35
20140132116
2014-05-15

Acoustic wave device and method of fabricating the same

#36
20140078640
2014-03-20

Thin film device and method for manufacturing thin film device

#37
20130255049
2013-10-03

Method for producing an electrical contact

#38
20130147319
2013-06-13

Method of manufacturing a film bulk acoustic resonator with a loading element

#39
20130029033
2013-01-31

Method for manufacturing acoustic wave device

#40
20130020912
2013-01-24

Piezoelectric vibrating piece, piezoelectric device, and method for manufacturing piezoelectric device

#41
20130002096
2013-01-03

PIEZOELECTRIC VIBRATING DEVICE AND METHOD FOR MANUFACTURING SAME

#42
20120248941
2012-10-04

Stacked bulk acoustic resonator

#43
20120139391
2012-06-07

Piezoelectric devices and methods for manufacturing the same

#44
20110316392
2011-12-29

Piezoelectric resonator and electrode structure thereof

#45
20110298555
2011-12-08

Vibrator element, vibrator, vibration device, electronic apparatus, and frequency adjustment method

#46
20110291524
2011-12-01

Piezoelectric devices including frequency-adjustment units

#47
20110241800
2011-10-06

Elastic wave device and method for manufacturing the same

#48
20110241491
2011-10-06

Surface-mountable quartz-crystal devices and methods for manufacturing same

#49
20110228505
2011-09-22

PACKAGE, ELECTRONIC DEVICE, AND METHOD OF MANUFACTURING ELECTRONIC DEVICE

#50
20110187239
2011-08-04

Piezoelectric component and method for producing an electrical contact

#51
20110131774
2011-06-09

Method of manufacturing stacked thin film piezoelectric filter

#52
20110064614
2011-03-17

Piezoelectric resonator and sensing sensor

#53
20100148888
2010-06-17

FILTER, DUPLEXER AND COMMUNICATION APPARATUS

#54
20100148636
2010-06-17

Piezoelectric thin film resonant element and circuit component using the same

#55
20100134203
2010-06-03

Filter and antenna duplexer

#56
20100096951
2010-04-22

Contour resonator and method for adjusting contour resonator

#57
20100079038
2010-04-01

Piezoelectric vibrator and electrode structure of piezoelectric vibrator

#58
20100060386
2010-03-11

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

#59
20100052476
2010-03-04

Piezoelectric filter and method for manufacturing the same

#60
20090096547
2009-04-16

ACOUSTICALLY COUPLED RESONATORS AND METHOD OF MAKING THE SAME

#61
20090001848
2009-01-01

Piezoelectric resonator and piezoelectric filter

#62
20080309432
2008-12-18

Piezoelectric resonator structure and method for manufacturing a coupled resonator device

#63
20080258842
2008-10-23

Acoustic resonator performance enhancement using alternating frame structure

#64
20080229829
2008-09-25

Piezoelectrics oscillator, sensor, and multi-sensor

#65
20080180193
2008-07-31

Dual mode piezoelectric filter, method of manufacturing the same, high frequency circuit component and communication device using the same

#66
20080169885
2008-07-17

PIEZOELECTRIC THIN-FILM RESONATOR, ACOUSTIC WAVE DEVICE AND METHOD FOR FABRICATING THE ACOUSTIC WAVE DEVICE

#67
20080129414
2008-06-05

Resonator structure and method of producing it

#68
20080048527
2008-02-28

Piezoelectric resonator and method for producing the same

#69
20080042524
2008-02-21

FILM BULK ACOUSTIC RESONATOR AND METHOD FOR MANUFACTURING

#70
20080028584
2008-02-07

Incremental tuning process for electrical resonators based on mechanical motion

#71
20080024042
2008-01-31

Thin film piezoelectric bulk acoustic wave resonator and radio frequency filter using the same

#72
20070188270
2007-08-16

FILM BULK ACOUSTIC RESONATOR AND FILM BULK ACOUSTIC RESONATOR FILTER

#73
20070139140
2007-06-21

Frequency tuning of film bulk acoustic resonators (FBAR)

#74
20070046394
2007-03-01

Filter and antenna duplexer

#75
20060244553
2006-11-02

Piezoelectric thin-film resonator and filter having the same

#76
20060232361
2006-10-19

Acoustically coupled resonators and method of making the same

#77
20060131990
2006-06-22

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

#78
20060091764
2006-05-04

Piezoelectric thin-film resonator and filter using the same

#79
20060071736
2006-04-06

Acoustic resonator performance enhancement using alternating frame structure

#80
20060048358
2006-03-09

Method for manufacturing piezoelectric resonator

#81
20060006965
2006-01-12

RF filter and method for fabricating the same

#82
20050224450
2005-10-13

Incremental tuning process for electrical resonators based on mechanical motion

#83
20050218754
2005-10-06

Resonator, filter and fabrication of resonator

#84
20050093397
2005-05-05

Method of producing thin film bulk acoustic resonator

#85
20050090033
2005-04-28

Method for manufacturing piezo-resonator

#86
20050088061
2005-04-28

Piezoelectric resonator and electronic components using the same

#87
20050001698
2005-01-06

Electronic component having a resonator and fabrication process

#88
17477160
2024-07-09

Enhanced electronic sensors