JPWO2021153736A5 - - Google Patents
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- Publication number
- JPWO2021153736A5 JPWO2021153736A5 JP2021574153A JP2021574153A JPWO2021153736A5 JP WO2021153736 A5 JPWO2021153736 A5 JP WO2021153736A5 JP 2021574153 A JP2021574153 A JP 2021574153A JP 2021574153 A JP2021574153 A JP 2021574153A JP WO2021153736 A5 JPWO2021153736 A5 JP WO2021153736A5
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- acoustic wave
- idt electrode
- reflectors
- idt
- 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.)
- Granted
Links
- 238000010897 surface acoustic wave method Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020015067 | 2020-01-31 | ||
| JP2020015067 | 2020-01-31 | ||
| PCT/JP2021/003252 WO2021153736A1 (ja) | 2020-01-31 | 2021-01-29 | 弾性波デバイスおよびそれを備えたラダー型フィルタ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021153736A1 JPWO2021153736A1 (https=) | 2021-08-05 |
| JPWO2021153736A5 true JPWO2021153736A5 (https=) | 2022-09-02 |
| JP7472918B2 JP7472918B2 (ja) | 2024-04-23 |
Family
ID=77079161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021574153A Active JP7472918B2 (ja) | 2020-01-31 | 2021-01-29 | 弾性波デバイスおよびそれを備えたラダー型フィルタ |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12255632B2 (https=) |
| JP (1) | JP7472918B2 (https=) |
| KR (2) | KR102787918B1 (https=) |
| CN (1) | CN115004546A (https=) |
| WO (1) | WO2021153736A1 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021132361A (ja) * | 2020-02-21 | 2021-09-09 | 株式会社村田製作所 | 弾性波装置 |
| CN113810014B (zh) * | 2021-09-23 | 2025-08-22 | 武汉敏声新技术有限公司 | 叉指型体声波谐振器及滤波器 |
| KR102906690B1 (ko) * | 2022-01-13 | 2025-12-31 | (주)와이솔 | 감쇠 특성이 개선된 표면 탄성파 필터 |
| EP4459867A4 (en) * | 2022-01-24 | 2025-08-06 | Huawei Tech Co Ltd | ACOUSTIC FILTER AND ELECTRONIC DEVICE |
| US12587167B2 (en) * | 2023-02-02 | 2026-03-24 | Skyworks Solutions, Inc. | High quality factor saw resonators with shared reflector |
| US20240364305A1 (en) * | 2023-04-06 | 2024-10-31 | Skyworks Solutions, Inc. | Acoustic wave device with interdigital transducer electrodes having two bus bars |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6397004A (ja) * | 1986-10-13 | 1988-04-27 | Pioneer Electronic Corp | 表面弾性波共振子 |
| JPH02250413A (ja) * | 1989-03-23 | 1990-10-08 | Murata Mfg Co Ltd | 弾性表面波装置 |
| JPH03283710A (ja) * | 1990-03-30 | 1991-12-13 | Toshiba Corp | 弾性表面波共振子 |
| JPH10303691A (ja) | 1997-04-25 | 1998-11-13 | Kyocera Corp | 弾性表面波装置 |
| JP2002176335A (ja) | 2000-09-29 | 2002-06-21 | Kyocera Corp | 弾性表面波装置 |
| JP4411539B2 (ja) * | 2005-08-25 | 2010-02-10 | セイコーエプソン株式会社 | Ｓａｗ共振子 |
| JP4734436B2 (ja) | 2008-04-11 | 2011-07-27 | 日本電波工業株式会社 | デュプレクサ |
| CN106253877B (zh) * | 2011-11-30 | 2019-03-08 | 天工滤波方案日本有限公司 | 梯型弹性波滤波器和天线共用器 |
| JP6683256B2 (ja) * | 2016-06-29 | 2020-04-15 | 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 |
| JP6493630B2 (ja) | 2016-08-30 | 2019-04-03 | 株式会社村田製作所 | 弾性波装置及びその製造方法 |
| CN109845105B (zh) * | 2016-10-13 | 2023-06-13 | 株式会社村田制作所 | 弹性波滤波器装置 |
| WO2018079284A1 (ja) * | 2016-10-28 | 2018-05-03 | 株式会社村田製作所 | ラダー型フィルタ、デュプレクサ及び弾性波フィルタ装置 |
| KR102329740B1 (ko) | 2017-09-27 | 2021-11-22 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 장치 |
| JP2021132361A (ja) * | 2020-02-21 | 2021-09-09 | 株式会社村田製作所 | 弾性波装置 |
-
2021
- 2021-01-29 CN CN202180010409.XA patent/CN115004546A/zh active Pending
- 2021-01-29 KR KR1020227021801A patent/KR102787918B1/ko active Active
- 2021-01-29 WO PCT/JP2021/003252 patent/WO2021153736A1/ja not_active Ceased
- 2021-01-29 JP JP2021574153A patent/JP7472918B2/ja active Active
- 2021-01-29 KR KR1020257009669A patent/KR20250048595A/ko active Pending
-
2022
- 2022-07-21 US US17/869,809 patent/US12255632B2/en active Active
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