SG10201905397TA - Frequency control of spurious shear horizontal mode by adding high velocity layer in a lithium niobate filter - Google Patents
Frequency control of spurious shear horizontal mode by adding high velocity layer in a lithium niobate filterInfo
- Publication number
- SG10201905397TA SG10201905397TA SG10201905397TA SG10201905397TA SG10201905397TA SG 10201905397T A SG10201905397T A SG 10201905397TA SG 10201905397T A SG10201905397T A SG 10201905397TA SG 10201905397T A SG10201905397T A SG 10201905397TA SG 10201905397T A SG10201905397T A SG 10201905397TA
- Authority
- SG
- Singapore
- Prior art keywords
- filter
- frequency control
- high velocity
- lithium niobate
- horizontal mode
- Prior art date
Links
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02897—Means for compensation or elimination of undesirable effects of strain or mechanical damage, e.g. strain due to bending influence
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02228—Guided bulk acoustic wave devices or Lamb wave devices having interdigital transducers situated in parallel planes on either side of a piezoelectric layer
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/6483—Ladder SAW filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
- H03H9/02559—Characteristics of substrate, e.g. cutting angles of lithium niobate or lithium-tantalate substrates
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
- H03H9/02574—Characteristics of substrate, e.g. cutting angles of combined substrates, multilayered substrates, piezoelectrical layers on not-piezoelectrical substrate
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02834—Means for compensation or elimination of undesirable effects of temperature influence
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02984—Protection measures against damaging
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14538—Formation
- H03H9/14541—Multilayer finger or busbar electrode
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14544—Transducers of particular shape or position
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/205—Constructional features of resonators consisting of piezoelectric or electrostrictive material having multiple resonators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/25—Constructional features of resonators using surface acoustic waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezo-electric or electrostrictive material
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6489—Compensation of undesirable effects
- H03H9/6496—Reducing ripple in transfer characteristic
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/72—Networks using surface acoustic waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/6436—Coupled resonator filters having one acoustic track only
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862684330P | 2018-06-13 | 2018-06-13 | |
| US201862693027P | 2018-07-02 | 2018-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG10201905397TA true SG10201905397TA (en) | 2020-01-30 |
Family
ID=67432353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG10201905397TA SG10201905397TA (en) | 2018-06-13 | 2019-06-13 | Frequency control of spurious shear horizontal mode by adding high velocity layer in a lithium niobate filter |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US11095269B2 (en) |
| JP (1) | JP7250625B2 (en) |
| KR (1) | KR20190141096A (en) |
| CN (1) | CN110601677A (en) |
| DE (1) | DE102019208602A1 (en) |
| GB (2) | GB2576401B (en) |
| SG (1) | SG10201905397TA (en) |
| TW (1) | TWI801604B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6773128B2 (en) * | 2016-11-25 | 2020-10-21 | 株式会社村田製作所 | SAW filter device |
| CN110601677A (en) * | 2018-06-13 | 2019-12-20 | 天工方案公司 | Spurious shear horizontal mode frequency control with high-speed layer added in lithium niobate filter |
| CN110931922A (en) * | 2019-11-25 | 2020-03-27 | 武汉大学 | Dual-passband filter based on piezoelectric bimodal resonator |
| CN111277241B (en) * | 2020-03-03 | 2023-11-03 | 无锡市好达电子股份有限公司 | High-power-tolerance temperature compensation type surface acoustic wave filter structure and preparation method thereof |
| JP2021180465A (en) * | 2020-05-15 | 2021-11-18 | 信越化学工業株式会社 | Composite substrate for surface acoustic wave device and method for manufacturing the same |
| KR102482602B1 (en) | 2020-08-19 | 2022-12-29 | 삼성전기주식회사 | Acoustic resonator filter |
| CN112787620A (en) * | 2021-01-13 | 2021-05-11 | 广东广纳芯科技有限公司 | Surface acoustic wave resonator with multilayer film structure and manufacturing method |
| WO2022220155A1 (en) * | 2021-04-16 | 2022-10-20 | 株式会社村田製作所 | Elastic wave device |
| WO2023234321A1 (en) * | 2022-05-31 | 2023-12-07 | 株式会社村田製作所 | Elastic wave device |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3965444A (en) | 1975-01-03 | 1976-06-22 | Raytheon Company | Temperature compensated surface acoustic wave devices |
| EP1515436A3 (en) * | 2003-08-29 | 2005-08-31 | Seiko Epson Corporation | Surface acoustic wave element and electronic equipment provided with the element |
| CN101714858B (en) * | 2004-03-29 | 2013-05-01 | 株式会社村田制作所 | Process for a boundary acoustic wave device |
| CN1825759B (en) * | 2005-02-24 | 2011-11-16 | 京瓷株式会社 | Surface acoustic wave device, duplexer, and communications equipment |
| EP2023485A4 (en) * | 2006-05-30 | 2010-02-03 | Murata Manufacturing Co | Boundary acoustic wave device |
| JP5072642B2 (en) * | 2007-03-28 | 2012-11-14 | 京セラ株式会社 | Surface acoustic wave device, duplexer using the same, and communication device |
| JP4920750B2 (en) * | 2007-08-14 | 2012-04-18 | 太陽誘電株式会社 | Boundary acoustic wave device |
| DE102008034372B4 (en) * | 2008-07-23 | 2013-04-18 | Msg Lithoglas Ag | Method for producing a dielectric layer in an electroacoustic component and electroacoustic component |
| JP2010263296A (en) * | 2009-04-30 | 2010-11-18 | Murata Mfg Co Ltd | Elastic boundary wave device |
| JP2011061743A (en) * | 2009-09-14 | 2011-03-24 | Japan Radio Co Ltd | Surface acoustic wave device |
| JP5565474B2 (en) | 2010-12-29 | 2014-08-06 | 株式会社村田製作所 | Surface acoustic wave device |
| DE112011104736B4 (en) * | 2011-01-18 | 2016-03-24 | Murata Manufacturing Co., Ltd. | Surface acoustic wave filter device |
| JP5797979B2 (en) * | 2011-08-31 | 2015-10-21 | 太陽誘電株式会社 | Elastic wave device |
| KR102067310B1 (en) * | 2012-07-30 | 2020-01-16 | 스카이워크스 필터 솔루션즈 재팬 씨오., 엘티디. | Acoustic wave element and antenna shared apparatus employing same |
| WO2017187768A1 (en) * | 2016-04-25 | 2017-11-02 | 株式会社村田製作所 | Elastic wave device and manufacturing method for same |
| WO2017187724A1 (en) * | 2016-04-27 | 2017-11-02 | 株式会社村田製作所 | Elastic wave device |
| US10187039B2 (en) * | 2016-06-07 | 2019-01-22 | Skyworks Filter Solutions Japan Co., Ltd. | Filter devices having reduced spurious emissions from lamb waves |
| US20180041186A1 (en) * | 2016-08-04 | 2018-02-08 | Skyworks Filter Solutions Japan Co., Ltd. | Surface acoustic wave elements with protective films |
| JP6812998B2 (en) * | 2018-03-19 | 2021-01-13 | 株式会社村田製作所 | Elastic wave device |
| CN110601677A (en) * | 2018-06-13 | 2019-12-20 | 天工方案公司 | Spurious shear horizontal mode frequency control with high-speed layer added in lithium niobate filter |
-
2019
- 2019-06-12 CN CN201910508927.9A patent/CN110601677A/en active Pending
- 2019-06-13 SG SG10201905397TA patent/SG10201905397TA/en unknown
- 2019-06-13 GB GB1908520.8A patent/GB2576401B/en active Active
- 2019-06-13 DE DE102019208602.0A patent/DE102019208602A1/en active Pending
- 2019-06-13 GB GB2209964.2A patent/GB2608512B/en active Active
- 2019-06-13 US US16/439,886 patent/US11095269B2/en active Active
- 2019-06-13 KR KR1020190069965A patent/KR20190141096A/en unknown
- 2019-06-13 JP JP2019110074A patent/JP7250625B2/en active Active
- 2019-06-13 TW TW108120418A patent/TWI801604B/en active
-
2021
- 2021-07-07 US US17/368,948 patent/US20210336605A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN110601677A (en) | 2019-12-20 |
| TWI801604B (en) | 2023-05-11 |
| JP2019216422A (en) | 2019-12-19 |
| US20210336605A1 (en) | 2021-10-28 |
| KR20190141096A (en) | 2019-12-23 |
| GB2576401A (en) | 2020-02-19 |
| TW202002304A (en) | 2020-01-01 |
| GB201908520D0 (en) | 2019-07-31 |
| US11095269B2 (en) | 2021-08-17 |
| DE102019208602A1 (en) | 2019-12-19 |
| US20190386642A1 (en) | 2019-12-19 |
| GB2608512B (en) | 2023-03-29 |
| GB202209964D0 (en) | 2022-08-24 |
| JP7250625B2 (en) | 2023-04-03 |
| GB2608512A (en) | 2023-01-04 |
| GB2576401B (en) | 2022-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB2576401B (en) | Frequency control of spurious shear horizontal mode by adding high velocity layer in a lithium niobate filter | |
| EP3811516A4 (en) | Transversely-excited film bulk acoustic resonator | |
| GB201905169D0 (en) | Acoustic wave filter including two types of acoustic wave resonators | |
| EP3261663A4 (en) | Crystals of anti-human pd-1 monoclonal antibodies | |
| HK1216996A1 (en) | Anti-leukocyte adhesion for the mitigation of potential adverse events caused by cd3-specific binding domains cd3 - | |
| GB2573879B (en) | Filter including two types of acoustic wave resonators | |
| EP3580557C0 (en) | Acoustic wave manipulation by means of a time delay array | |
| SG2014001010A (en) | Piezoelectric thin film resonator, filter, and duplexer | |
| EP3201648A4 (en) | Loopback techniques for synchronization of oscillator signal in radar | |
| HK1207482A1 (en) | Ladder-type elastic wave filter and antenna duplexer using same | |
| HK1200608A1 (en) | Ladder-type elastic wave filter and antenna duplexer using same | |
| EP2737626A4 (en) | Bulk acoustic wave resonator and duplexer using bulk acoustic wave resonator | |
| SG10201913577PA (en) | Bulk acoustic wave resonator with ceramic substrate | |
| EP2786486A4 (en) | Bulk acoustic wave resonator | |
| EP3227311A4 (en) | Insertable variable fragments of antibodies and modified a1-a2 domains of nkg2d ligands | |
| EP3168236A4 (en) | Anti-canine pd-1 antibody or anti-canine pd-l1 antibody | |
| SG10201911416RA (en) | Acoustic Wave Device With Transverse Spurious Mode Suppression | |
| EP3589581A4 (en) | Techniques for coupling qubits to acoustic resonators and related systems and methods | |
| EP3168192A4 (en) | Precursor of lithium titanate composite product and method for producing same | |
| EP3437189A4 (en) | Piezoelectric package-integrated film bulk acoustic resonator devices | |
| EP2812728A4 (en) | Method of seismic vibratory limits control at low frequencies | |
| SG10202004451PA (en) | Film bulk acoustic resonator including recessed frame with scattering sides | |
| EP3660183C0 (en) | Potassium sodium niobate sputtering target and method for producing same | |
| IN2014MN02428A (en) | ||
| EP3413042A4 (en) | Method for obtaining data relating to the elasticity of materials, using torsional waves |