JPWO2023171741A1 - - Google Patents
Info
- Publication number
- JPWO2023171741A1 JPWO2023171741A1 JP2024506393A JP2024506393A JPWO2023171741A1 JP WO2023171741 A1 JPWO2023171741 A1 JP WO2023171741A1 JP 2024506393 A JP2024506393 A JP 2024506393A JP 2024506393 A JP2024506393 A JP 2024506393A JP WO2023171741 A1 JPWO2023171741 A1 JP WO2023171741A1
- Authority
- JP
- Japan
- 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.)
- Granted
Links
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
- H03H9/25—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
- H03H9/02—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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02866—Means for compensation or elimination of undesirable effects of bulk wave excitation and reflections
-
- 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
- H03H9/14547—Fan shaped; Tilted; Shifted; Slanted; Tapered; Arched; Stepped finger transducers
-
- 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
- H03H9/46—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
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6489—Compensation of undesirable effects
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022038498 | 2022-03-11 | ||
| JP2022038498 | 2022-03-11 | ||
| PCT/JP2023/009014 WO2023171741A1 (ja) | 2022-03-11 | 2023-03-09 | 弾性波フィルタ、分波器、および通信装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2023171741A1 true JPWO2023171741A1 (https=) | 2023-09-14 |
| JPWO2023171741A5 JPWO2023171741A5 (https=) | 2024-11-15 |
| JP7692109B2 JP7692109B2 (ja) | 2025-06-12 |
Family
ID=87935218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024506393A Active JP7692109B2 (ja) | 2022-03-11 | 2023-03-09 | 弾性波フィルタ、分波器、および通信装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20250192753A1 (https=) |
| JP (1) | JP7692109B2 (https=) |
| CN (1) | CN118830196A (https=) |
| WO (1) | WO2023171741A1 (https=) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015064238A1 (ja) * | 2013-10-31 | 2015-05-07 | 京セラ株式会社 | 弾性波素子、フィルタ素子および通信装置 |
| WO2018003273A1 (ja) * | 2016-06-28 | 2018-01-04 | 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及び通信装置 |
| JP2019180064A (ja) * | 2018-03-30 | 2019-10-17 | 京セラ株式会社 | 弾性波フィルタ、分波器および通信装置 |
| JP2020155968A (ja) * | 2019-03-20 | 2020-09-24 | 太陽誘電株式会社 | 弾性波共振器、フィルタおよびマルチプレクサ |
| JP2021100280A (ja) * | 2018-11-14 | 2021-07-01 | 京セラ株式会社 | 弾性波装置、分波器および通信装置 |
-
2023
- 2023-03-09 JP JP2024506393A patent/JP7692109B2/ja active Active
- 2023-03-09 CN CN202380025552.5A patent/CN118830196A/zh active Pending
- 2023-03-09 WO PCT/JP2023/009014 patent/WO2023171741A1/ja not_active Ceased
- 2023-03-09 US US18/845,797 patent/US20250192753A1/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015064238A1 (ja) * | 2013-10-31 | 2015-05-07 | 京セラ株式会社 | 弾性波素子、フィルタ素子および通信装置 |
| WO2018003273A1 (ja) * | 2016-06-28 | 2018-01-04 | 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及び通信装置 |
| JP2019180064A (ja) * | 2018-03-30 | 2019-10-17 | 京セラ株式会社 | 弾性波フィルタ、分波器および通信装置 |
| JP2021100280A (ja) * | 2018-11-14 | 2021-07-01 | 京セラ株式会社 | 弾性波装置、分波器および通信装置 |
| JP2020155968A (ja) * | 2019-03-20 | 2020-09-24 | 太陽誘電株式会社 | 弾性波共振器、フィルタおよびマルチプレクサ |
Also Published As
| Publication number | Publication date |
|---|---|
| US20250192753A1 (en) | 2025-06-12 |
| JP7692109B2 (ja) | 2025-06-12 |
| CN118830196A (zh) | 2024-10-22 |
| WO2023171741A1 (ja) | 2023-09-14 |
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