JP7682274B2 - 弾性波装置、フィルタ、分波器及び通信装置 - Google Patents

弾性波装置、フィルタ、分波器及び通信装置 Download PDF

Info

Publication number
JP7682274B2
JP7682274B2 JP2023534771A JP2023534771A JP7682274B2 JP 7682274 B2 JP7682274 B2 JP 7682274B2 JP 2023534771 A JP2023534771 A JP 2023534771A JP 2023534771 A JP2023534771 A JP 2023534771A JP 7682274 B2 JP7682274 B2 JP 7682274B2
Authority
JP
Japan
Prior art keywords
electrode
region
electrode fingers
filter
bar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2023534771A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023286704A5 (https=
JPWO2023286704A1 (https=
Inventor
富夫 金澤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Corp
Original Assignee
Kyocera Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyocera Corp filed Critical Kyocera Corp
Publication of JPWO2023286704A1 publication Critical patent/JPWO2023286704A1/ja
Publication of JPWO2023286704A5 publication Critical patent/JPWO2023286704A5/ja
Application granted granted Critical
Publication of JP7682274B2 publication Critical patent/JP7682274B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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 elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02992—Details of bus bars, contact pads or other electrical connections for finger electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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 elements; 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
    • H03H9/1457—Transducers having different finger widths
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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 elements; 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 elements; 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 elements; 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 elements; 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
    • H03H9/725—Duplexers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP2023534771A 2021-07-16 2022-07-08 弾性波装置、フィルタ、分波器及び通信装置 Active JP7682274B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021117708 2021-07-16
JP2021117708 2021-07-16
PCT/JP2022/027079 WO2023286704A1 (ja) 2021-07-16 2022-07-08 弾性波装置、フィルタ、分波器及び通信装置

Publications (3)

Publication Number Publication Date
JPWO2023286704A1 JPWO2023286704A1 (https=) 2023-01-19
JPWO2023286704A5 JPWO2023286704A5 (https=) 2024-04-11
JP7682274B2 true JP7682274B2 (ja) 2025-05-23

Family

ID=84919398

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023534771A Active JP7682274B2 (ja) 2021-07-16 2022-07-08 弾性波装置、フィルタ、分波器及び通信装置

Country Status (4)

Country Link
US (1) US20240339986A1 (https=)
JP (1) JP7682274B2 (https=)
CN (1) CN117813764A (https=)
WO (1) WO2023286704A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006246510A (ja) 2006-04-05 2006-09-14 Murata Mfg Co Ltd 表面波装置
WO2016208446A1 (ja) 2015-06-24 2016-12-29 株式会社村田製作所 フィルタ装置
WO2019017422A1 (ja) 2017-07-20 2019-01-24 株式会社村田製作所 マルチプレクサ、高周波フロントエンド回路および通信装置
WO2020120153A1 (en) 2018-12-12 2020-06-18 RF360 Europe GmbH Electro acoustic resonator with suppressed transversal gap mode excitation and reduced transversal modes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5654114A (en) * 1979-10-11 1981-05-14 Nec Corp Reed screen shape converter of elastic surface wave
JPH10173467A (ja) * 1996-12-13 1998-06-26 Toyo Commun Equip Co Ltd トランスバーサル型ｓａｗフィルタ
JPH11261370A (ja) * 1998-03-11 1999-09-24 Nec Corp 弾性表面波デバイス
JP2015056746A (ja) * 2013-09-11 2015-03-23 株式会社村田製作所 弾性波装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006246510A (ja) 2006-04-05 2006-09-14 Murata Mfg Co Ltd 表面波装置
WO2016208446A1 (ja) 2015-06-24 2016-12-29 株式会社村田製作所 フィルタ装置
WO2019017422A1 (ja) 2017-07-20 2019-01-24 株式会社村田製作所 マルチプレクサ、高周波フロントエンド回路および通信装置
WO2020120153A1 (en) 2018-12-12 2020-06-18 RF360 Europe GmbH Electro acoustic resonator with suppressed transversal gap mode excitation and reduced transversal modes

Also Published As

Publication number Publication date
US20240339986A1 (en) 2024-10-10
WO2023286704A1 (ja) 2023-01-19
JPWO2023286704A1 (https=) 2023-01-19
CN117813764A (zh) 2024-04-02

Similar Documents

Publication Publication Date Title
JP7433268B2 (ja) 弾性波装置、分波器および通信装置
JP6856825B2 (ja) 弾性波装置、分波器および通信装置
JP7278305B2 (ja) 弾性波装置、分波器および通信装置
CN110771039B (zh) 弹性波装置、分波器以及通信装置
US20260051871A1 (en) Elastic wave element and communication device
JP2025038204A (ja) 弾性波装置、フィルタ、分波器及び通信装置
JP7515586B2 (ja) 弾性波装置及び通信装置
US20250038730A1 (en) Acoustic wave device
JP7682274B2 (ja) 弾性波装置、フィルタ、分波器及び通信装置
JP2020102662A (ja) 弾性波素子
WO2023167221A1 (ja) 複合基板、弾性波素子、モジュール及び通信装置
JP7132841B2 (ja) 弾性表面波素子、分波器および通信装置
JP2022039360A (ja) 弾性波デバイス、通信装置及び弾性波デバイスの製造方法
JP7421557B2 (ja) 弾性波装置及び通信装置
US20240030886A1 (en) Acoustic wave device
WO2020175240A1 (ja) フィルタおよびマルチフィルタ
JP2026070826A (ja) 弾性波装置、通信装置及び弾性波装置の製造方法
WO2023210524A1 (ja) 弾性波素子及び通信装置
WO2025084127A1 (ja) 弾性波装置、分波器及び通信装置
JP2025177790A (ja) 弾性波装置および通信装置
JP2025015207A (ja) 弾性波装置、分波器及び通信装置
JP2007027878A (ja) 弾性表面波素子片および弾性表面波デバイス

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240116

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240116

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250114

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250314

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20250422

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250513

R150 Certificate of patent or registration of utility model

Ref document number: 7682274

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150