Patents-Review.com
ClassID:

220538 ⎘

H03H2009/02173 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details; Tuning of film bulk acoustic resonators [FBAR]

Sub-classes:
Recent Application in this class:
#1
20240413804
2024-12-12

TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS USING MULTIPLE DIELECTRIC LAYER THICKNESSES TO SUPPRESS SPURIOUS MODES

 #2
20240333259
2024-10-03

COUPLED RESONATOR FILTER TUNING CIRCUIT

 #3
20230253948
2023-08-10

Transversely-excited film bulk acoustic resonators using multiple dielectric layer thicknesses to suppress spurious modes

 #4
20230147252
2023-05-11

POWER RUGGED FILTER MODULE

 #5
20230074757
2023-03-09

Bulk acoustic wave resonator structure

 #6
20230036920
2023-02-02

Bi-polar border region in piezoelectric device

 #7
20220060175
2022-02-24

Transversely-excited film bulk acoustic resonators using multiple dielectric layer thicknesses to suppress spurious modes

 #8
20200382099
2020-12-03

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

 #9
20200336131
2020-10-22

Acoustic resonator and acoustic resonator filter

 #10
20200274520
2020-08-27

Bulk acoustic wave resonator structure

 #11
20200274515
2020-08-27

Bulk acoustic wave resonator structure for second harmonic suppression

 #12
20200235718
2020-07-23

Bulk acoustic wave resonators with shaped border rings

 #13
20200195222
2020-06-18

Bi-polar border region in piezoelectric device

 #14
20200099365
2020-03-26

ELECTRONIC PACKAGES COMPRISING STACKED BULK ACOUSTIC WAVE (BAW) RESONATOR and BAW RESONATOR FILTERS

 #15
20190214969
2019-07-11

Acoustic wave filter device, RF front-end circuit, and communication apparatus

 #16
20190190489
2019-06-20

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

 #17
20190190488
2019-06-20

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

 #18
20190165757
2019-05-30

Tunable narrow bandpass MEMS technology filter using an arch beam microresonator

 #19
20180102751
2018-04-12

Bulk-acoustic wave resonator and method for manufacturing the same

 #20
20170264257
2017-09-14

Method for producing a batch of acoustic wave filters

 #21
20170237411
2017-08-17

Acoustic wave filter and method for manufacturing the same

 #22
20160322953
2016-11-03

Piezoelectric vibrator and piezoelectric vibrating apparatus

 #23
20160094199
2016-03-31

Resonant circuit with variable frequency and impedance

 #24
20110133848
2011-06-09

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

 #25
20110012696
2011-01-20

SWITCHED ACOUSTIC WAVE RESONATOR FOR TUNABLE FILTERS

 #26
20100068831
2010-03-18

Method for wafer trimming for increased device yield

 #27
20100060111
2010-03-11

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

 #28
20090289526
2009-11-26

Devices having a tunable acoustic path length and methods for making same

 #29
20090115553
2009-05-07

Tunable resonator using film bulk acoustic resonator (FBAR)

 #30
20090072663
2009-03-19

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