ClassID:

220521

H03H9/02039 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details of bulk acoustic wave devices; Characteristics of piezoelectric layers, e.g. cutting angles consisting of a material from the crystal group 32, e.g. langasite, langatate, langanite

Recent Application in this class:
#1
20250070753
2025-02-27

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

#2
20240396526
2024-11-28

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

#3
20240291457
2024-08-29

Sensor with a Resonator Positioned at a Cavity of a Substrate

#4
20240186984
2024-06-06

Transversely-excited film bulk acoustic resonator with periodic etched holes

#5
20240186983
2024-06-06

XBAR resonators with non-rectangular diaphragms

#6
20240162878
2024-05-16

ACOUSTIC WAVE DEVICE

#7
20240022234
2024-01-18

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

#8
20240022233
2024-01-18

Transversely-excited film bulk acoustic resonator

#9
20230370046
2023-11-16

ACOUSTIC WAVE DEVICE

#10
20230344414
2023-10-26

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

#11
20230291388
2023-09-14

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

#12
20230216474
2023-07-06

BULK ACOUSTIC WAVE DEVICE AND METHOD OF MAKING SUCH A DEVICE

#13
20230198495
2023-06-22

ACOUSTIC WAVE DEVICE

#14
20230198494
2023-06-22

ACOUSTIC WAVE DEVICE

#15
20230059734
2023-02-23

PIEZOELECTRIC FILM AND RESONATOR

#16
20220393666
2022-12-08

FILTER DEVICE

#17
20220216855
2022-07-07

Transversely-excited film bulk acoustic resonator with periodic etched holes

#18
20220190807
2022-06-16

Rotation in XY plane to suppress spurious modes in XBAR devices

#19
20220014162
2022-01-13

Sensor with resonator supported on a substrate

#20
20210384889
2021-12-09

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

#21
20210273632
2021-09-02

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

#22
20210265978
2021-08-26

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

#23
20210257992
2021-08-19

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

#24
20210257991
2021-08-19

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

#25
20210257990
2021-08-19

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

#26
20210167756
2021-06-03

Transversely-excited film bulk acoustic resonator with periodic etched holes

#27
20210143794
2021-05-13

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

#28
20210111703
2021-04-15

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

#29
20210105003
2021-04-08

XBAR resonators with non-rectangular diaphragms

#30
20210105002
2021-04-08

XBAR resonators with non-rectangular diaphragms

#31
20210091749
2021-03-25

Transversly-excited film bulk acoustic resonators and filters

#32
20210083652
2021-03-18

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

#33
20200358426
2020-11-12

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

#34
20200350891
2020-11-05

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

#35
20200350890
2020-11-05

Transversely-excited film bulk acoustic resonator with periodic etched holes

#36
20200343877
2020-10-29

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

#37
20200287521
2020-09-10

Rotation in XY plane to suppress spurious modes in XBAR devices

#38
20200287513
2020-09-10

Composite substrate and acoustic wave element using same

#39
20200235719
2020-07-23

XBAR resonators with non-rectangular diaphragms

#40
20200177162
2020-06-04

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

#41
20200169245
2020-05-28

Acoustic wave device, filter, and multiplexer

#42
20200091893
2020-03-19

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

#43
20190386635
2019-12-19

Transversely-excited film bulk acoustic resonator

#44
20190253035
2019-08-15

Acoustic wave element and method for manufacturing same

#45
20180323366
2018-11-08

Piezoelectric vibrator and sensor

#46
20160173058
2016-06-16

Resonator applications for langasite and its isomorphs

#47
20070200459
2007-08-30

PIEZOELECTRIC THIN FILM DEVICE

#48
20070200458
2007-08-30

PIEZOELECTRIC THIN FILM DEVICE

#49
20070199186
2007-08-30

Method of manufacturing a piezoelectric thin film device