Patents-Review.com
ClassID:

220402 ⎘

H03H2003/0442 - 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 a non-piezoelectric layer

Recent Application in this class:
#1
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20250088167
2025-03-13

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

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

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2024-11-14

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR

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20240297635
2024-09-05

BULK ACOUSTIC WAVE RESONATORS WITH PATTERNED MASS LOADING LAYERS

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20240022228
2024-01-18

Decoupled transversely-excited film bulk acoustic resonators

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20230261626
2023-08-17

TUNING ACOUSTIC RESONATORS WITH BACK-SIDE COATING

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20220407499
2022-12-22

VIBRATOR ELEMENT, VIBRATOR DEVICE, AND METHOD OF MANUFACTURING VIBRATOR ELEMENT

 #9
20220278666
2022-09-01

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

 #10
20220263492
2022-08-18

Tuning fork-type vibrating reed, tuning fork-type vibrator and manufacturing method therefor

 #11
20220263490
2022-08-18

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

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20220231659
2022-07-21

Decoupled transversely-excited film bulk acoustic resonators

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20220173717
2022-06-02

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

 #14
20220103159
2022-03-31

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

 #15
20220103154
2022-03-31

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

 #16
20220103152
2022-03-31

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

 #17
20220103151
2022-03-31

Bulk acoustic wave resonator with mass loading layer

 #18
20220103150
2022-03-31

Bulk acoustic wave resonators with patterned mass loading layers

 #19
20210391844
2021-12-16

Transversely-excited film bulk acoustic resonator

 #20
20210313953
2021-10-07

Transversely-excited film bulk acoustic resonator with reduced spurious modes

 #21
20210313952
2021-10-07

Transversely-excited film bulk acoustic resonator with reduced spurious modes

 #22
20210313951
2021-10-07

Transversely-excited film bulk acoustic resonator with reduced spurious modes

 #23
20210281238
2021-09-09

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

 #24
20210281233
2021-09-09

Bulk acoustic wave filter and a method of frequency tuning for bulk acoustic wave resonator of bulk acoustic wave filter

 #25
20210273626
2021-09-02

Transversely-excited film bulk acoustic resonator with reduced spurious modes

 #26
20210091745
2021-03-25

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

 #27
20210075393
2021-03-11

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

 #28
20210058056
2021-02-25

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

 #29
20210044272
2021-02-11

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

 #30
20210028757
2021-01-28

Transversely-excited film bulk acoustic resonator with reduced spurious modes

 #31
20210028756
2021-01-28

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

 #32
20210013861
2021-01-14

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH ETCHED CONDUCTOR PATTERNS

 #33
20210013860
2021-01-14

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

 #34
20210013859
2021-01-14

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH ETCHED CONDUCTOR PATTERNS

 #35
20200336126
2020-10-22

Transversely-excited film bulk acoustic resonator

 #36
20200177148
2020-06-04

Method for fabricating bulk acoustic wave resonator with mass adjustment structure

 #37
20200169238
2020-05-28

Bulk acoustic wave filter and a method of frequency tuning for bulk acoustic wave resonator of bulk acoustic wave filter

 #38
20200153408
2020-05-14

Tuning fork-type vibrator and manufacturing method for the same

 #39
20200067485
2020-02-27

Tuning fork-type vibrating reed, tuning fork-type vibrator and manufacturing method therefor

 #40
20190386636
2019-12-19

Transversely-excited film bulk acoustic resonator

 #41
20190356293
2019-11-21

Bulk acoustic wave resonator and method of manufacturing the same

 #42
20190267962
2019-08-29

SAW device and method of manufacture

 #43
20190253032
2019-08-15

Frequency adjustment method for piezoelectric resonator device

 #44
20190036000
2019-01-31

Method of producing a composite substrate

 #45
20190006575
2019-01-03

Frequency adjustment method of vibrator element

 #46
20180367113
2018-12-20

5.9 GHz c-V2X and DSRC acoustic wave resonator RF filter circuit

 #47
20180191327
2018-07-05

Bulk acoustic wave filter and a method of frequency tuning for bulk acoustic wave resonator of bulk acoustic wave filter

 #48
20180191322
2018-07-05

Method for fabricating bulk acoustic wave resonator with mass adjustment structure

 #49
20180123554
2018-05-03

Bulk acoustic wave resonator and method for manufacturing the same

 #50
20180102751
2018-04-12

Bulk-acoustic wave resonator and method for manufacturing the same

 #51
20180034442
2018-02-01

Piezoelectric resonator device

 #52
20160322953
2016-11-03

Piezoelectric vibrator and piezoelectric vibrating apparatus

 #53
20150341015
2015-11-26

Electrical resonator

 #54
20150017320
2015-01-15

Method of manufacturing stacked thin film piezoelectric filter

 #55
20140132116
2014-05-15

Acoustic wave device and method of fabricating the same

 #56
20130038405
2013-02-14

Acoustic wave device

 #57
20120243384
2012-09-27

PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC APPARATUS AND RADIO-CONTROLLED TIMEPIECE

 #58
20120200373
2012-08-09

Acoustic wave device and filter

 #59
20120079692
2012-04-05

Manufacturing method of an array of BAW resonators with mask controlled resonant frequencies

 #60
20120074811
2012-03-29

Acoustic wave devices

 #61
20120038244
2012-02-16

PIEZOELECTRIC VIBRATION DEVICE, METHOD OF MANUFACTURING THE SAME, AND METHOD OF ADJUSTING RESONANT FREQUENCY

 #62
20110148249
2011-06-23

METHOD OF MANUFACTURING PIEZOELECTRIC VIBRATOR, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC EQUIPMENT AND RADIO-CONTROLLED TIMEPIECE

 #63
20110140572
2011-06-16

Crystal device

 #64
20110131774
2011-06-09

Method of manufacturing stacked thin film piezoelectric filter

 #65
20110078894
2011-04-07

Method for manufacturing a monolithic oscillator with bulk acoustic wave (BAW) resonators

 #66
20100327701
2010-12-30

Method of manufacturing an electrical resonator

 #67
20100277034
2010-11-04

ARRAY OF BAW RESONATORS WITH MASK CONTROLLED RESONANT FREQUENCIES

 #68
20100212127
2010-08-26

Process for adapting resonance frequency of a BAW resonator

 #69
20090205178
2009-08-20

Method of fabricating a piezoelectric vibrating piece

 #70
20090001848
2009-01-01

Piezoelectric resonator and piezoelectric filter

 #71
20080309432
2008-12-18

Piezoelectric resonator structure and method for manufacturing a coupled resonator device

 #72
20070069606
2007-03-29

Film bulk acoustic wave resonator, film bulk acoustic wave resonator filter and method of manufacturing film bulk acoustic wave resonator

 #73
20050168102
2005-08-04

Film bulk acoustic wave resonator, film bulk acoustic wave resonator filter and method of manufacturing film bulk acoustic wave resonator

 #74
17408120
2022-02-01

Decoupled transversely-excited film bulk acoustic resonators