JPWO2021157714A1 - - Google Patents
Info
- Publication number
- JPWO2021157714A1 JPWO2021157714A1 JP2021576191A JP2021576191A JPWO2021157714A1 JP WO2021157714 A1 JPWO2021157714 A1 JP WO2021157714A1 JP 2021576191 A JP2021576191 A JP 2021576191A JP 2021576191 A JP2021576191 A JP 2021576191A JP WO2021157714 A1 JPWO2021157714 A1 JP WO2021157714A1
- 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.)
- Pending
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
- H03H9/02—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 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
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
-
- 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
- H03H9/125—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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02834—Means for compensation or elimination of undesirable effects of temperature influence
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020019048 | 2020-02-06 | ||
| PCT/JP2021/004392 WO2021157714A1 (ja) | 2020-02-06 | 2021-02-05 | 弾性波装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2021157714A1 true JPWO2021157714A1 (https=) | 2021-08-12 |
| JPWO2021157714A5 JPWO2021157714A5 (https=) | 2022-09-21 |
Family
ID=77200017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021576191A Pending JPWO2021157714A1 (https=) | 2020-02-06 | 2021-02-05 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12191839B2 (https=) |
| JP (1) | JPWO2021157714A1 (https=) |
| CN (1) | CN115023896A (https=) |
| WO (1) | WO2021157714A1 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102670034B1 (ko) * | 2018-12-06 | 2024-05-29 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 장치 |
| CN114731147A (zh) * | 2019-12-09 | 2022-07-08 | 株式会社村田制作所 | 弹性波装置 |
| CN118316412B (zh) * | 2024-04-29 | 2025-08-12 | 晨宸辰科技有限公司 | 一种抑制saw器件杂散响应的结构 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07254835A (ja) * | 1994-03-15 | 1995-10-03 | Murata Mfg Co Ltd | 弾性表面波共振子フィルタ |
| WO2015198709A1 (ja) * | 2014-06-27 | 2015-12-30 | 株式会社村田製作所 | ラダー型フィルタ |
| WO2016103953A1 (ja) * | 2014-12-25 | 2016-06-30 | 株式会社村田製作所 | 弾性波装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3233290B2 (ja) | 1991-11-06 | 2001-11-26 | 株式会社村田製作所 | 表面波装置 |
| JP3301399B2 (ja) | 1998-02-16 | 2002-07-15 | 株式会社村田製作所 | 弾性表面波装置 |
| JP3587354B2 (ja) | 1999-03-08 | 2004-11-10 | 株式会社村田製作所 | 横結合共振子型表面波フィルタ及び縦結合共振子型表面波フィルタ |
| CN103262410B (zh) | 2010-12-24 | 2016-08-10 | 株式会社村田制作所 | 弹性波装置及其制造方法 |
| KR102083803B1 (ko) * | 2014-06-23 | 2020-03-03 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 장치 |
| JP2019092095A (ja) * | 2017-11-16 | 2019-06-13 | 株式会社村田製作所 | 弾性波装置、高周波フロントエンド回路及び通信装置 |
| JP2019145895A (ja) * | 2018-02-16 | 2019-08-29 | 株式会社村田製作所 | 弾性波装置、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 |
| KR102670034B1 (ko) * | 2018-12-06 | 2024-05-29 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 장치 |
| JP6940012B2 (ja) * | 2018-12-25 | 2021-09-22 | 株式会社村田製作所 | フィルタ装置 |
-
2021
- 2021-02-05 CN CN202180011353.XA patent/CN115023896A/zh active Pending
- 2021-02-05 WO PCT/JP2021/004392 patent/WO2021157714A1/ja not_active Ceased
- 2021-02-05 JP JP2021576191A patent/JPWO2021157714A1/ja active Pending
-
2022
- 2022-07-28 US US17/875,496 patent/US12191839B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07254835A (ja) * | 1994-03-15 | 1995-10-03 | Murata Mfg Co Ltd | 弾性表面波共振子フィルタ |
| WO2015198709A1 (ja) * | 2014-06-27 | 2015-12-30 | 株式会社村田製作所 | ラダー型フィルタ |
| WO2016103953A1 (ja) * | 2014-12-25 | 2016-06-30 | 株式会社村田製作所 | 弾性波装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115023896A (zh) | 2022-09-06 |
| US12191839B2 (en) | 2025-01-07 |
| US20220368305A1 (en) | 2022-11-17 |
| WO2021157714A1 (ja) | 2021-08-12 |
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