KR102157602B1 - 탄성파 장치 - Google Patents
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- KR102157602B1 KR102157602B1 KR1020187007510A KR20187007510A KR102157602B1 KR 102157602 B1 KR102157602 B1 KR 102157602B1 KR 1020187007510 A KR1020187007510 A KR 1020187007510A KR 20187007510 A KR20187007510 A KR 20187007510A KR 102157602 B1 KR102157602 B1 KR 102157602B1
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 7
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
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Abstract
지지 기판(2)과, 지지 기판(2) 상에 마련된 음향 다층막(3)과, 음향 다층막(3) 상에 마련된 압전 기판(4)과, 압전 기판(4) 상에 마련된 IDT 전극(5)을 포함하고, 음향 다층막(3)이 적어도 4층의 음향 임피던스층을 가지고, 상기 적어도 4층의 음향 임피던스층이 적어도 1층의 저음향 임피던스층(3a, 3c, 3e, 3g)과 저음향 임피던스층(3a, 3c, 3e, 3g)보다도 음향 임피던스가 높은 적어도 1층의 고음향 임피던스층(3b, 3d, 3f)으로 구성되어 있으며, 압전 기판(4) 측에서부터 지지 기판(2) 측을 향하여, 4층째의 음향 임피던스층(3d) 내로부터 음향 다층막(3)과 지지 기판(2)의 계면까지의 임의의 위치에 마련되어 있는 접합층(9)을 더 포함하는 탄성파 장치(1).
Description
도 2는 본 발명의 제1 실시형태에 따른 탄성파 장치의 주요부를 확대하여 나타내는 부분 컷어웨이(cutaway) 모식적 단면도이다.
도 3은 실험예에서 제작한 탄성파 장치에 있어서, 음향 다층막을 구성하는 음향 임피던스층의 적층 수를 변화시켰을 때의 임피던스 특성을 나타내는 도면이다.
도 4(a)~도 4(d)는 본 발명의 제1 실시형태에 따른 탄성파 장치의 제조 방법을 설명하기 위한 각 약도적 정면 단면도이다.
도 5는 본 발명의 제2 실시형태에 따른 탄성파 장치의 주요부를 확대하여 나타내는 부분 컷어웨이 모식적 단면도이다.
도 6은 본 발명의 제3 실시형태에 따른 탄성파 장치의 주요부를 확대하여 나타내는 부분 컷어웨이 모식적 단면도이다.
도 7은 본 발명의 제4 실시형태에 따른 탄성파 장치의 주요부를 확대하여 나타내는 부분 컷어웨이 모식적 단면도이다.
3: 음향 다층막 3a, 3c, 3e, 3g: 저음향 임피던스층
3a1, 3a2: 저음향 임피던스층 부분 3b, 3d, 3f: 고음향 임피던스층
3d1, 3d2: 고음향 임피던스층 부분 4: 압전 기판
4A: 압전판 5: IDT 전극
6a, 6b: 전극 랜드 7, 8: 반사기
9: 접합층
Claims (8)
- 지지 기판과,
상기 지지 기판 상에 마련된 음향 다층막과,
상기 음향 다층막 상에 마련된 압전 기판과,
상기 압전 기판 상에 마련된 IDT 전극을 포함하고,
상기 음향 다층막이 적어도 4층의 음향 임피던스층을 가지며,
상기 적어도 4층의 음향 임피던스층이 적어도 1층의 저음향 임피던스층과, 상기 저음향 임피던스층보다도 음향 임피던스가 높은 적어도 1층의 고음향 임피던스층으로 구성되어 있고,
상기 압전 기판 측에서부터 상기 지지 기판 측을 향하여, 4층째의 상기 음향 임피던스층 내로부터 상기 음향 다층막과 상기 지지 기판의 계면까지의 임의의 위치에 마련되어 있는 접합층을 더 포함하는 것을 특징으로 하는 탄성파 장치. - 제1항에 있어서,
상기 접합층이 상기 4층째의 음향 임피던스층 내에 마련되어 있는 것을 특징으로 하는 탄성파 장치. - 제1항에 있어서,
상기 음향 다층막이 적어도 5층의 상기 음향 임피던스층을 가지며,
상기 접합층이 상기 4층째의 음향 임피던스층보다 상기 지지 기판 측의 임의의 상기 음향 임피던스층 내에 마련되어 있는 것을 특징으로 하는 탄성파 장치. - 제1항에 있어서,
상기 음향 다층막이 적어도 5층의 상기 음향 임피던스층을 가지며,
상기 접합층이 상기 4층째의 음향 임피던스층과 다른 상기 음향 임피던스층의 계면, 또는 상기 4층째의 음향 임피던스층보다 상기 지지 기판 측의 상기 음향 임피던스층 간의 계면의 임의의 위치에 마련되어 있는 것을 특징으로 하는 탄성파 장치. - 제1항에 있어서,
상기 접합층이 상기 음향 다층막과 상기 지지 기판의 계면에 마련되어 있는 것을 특징으로 하는 탄성파 장치. - 제1항 내지 제5항 중 어느 한 항에 있어서,
전파하는 탄성파로서, S0 모드, A0 모드, A1 모드, SH0 모드, 또는 SH1 모드의 판파(plate wave)가 이용되는 것을 특징으로 하는 탄성파 장치. - 제1항 내지 제5항 중 어느 한 항에 있어서,
상기 저음향 임피던스층이 산화 규소로 구성되어 있는 것을 특징으로 하는 탄성파 장치. - 제1항 내지 제5항 중 어느 한 항에 있어서,
상기 고음향 임피던스층이 백금 또는 질화 규소로 구성되어 있는 것을 특징으로 하는 탄성파 장치.
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| JP2015208801 | 2015-10-23 | ||
| JPJP-P-2015-208801 | 2015-10-23 | ||
| PCT/JP2016/071724 WO2017068827A1 (ja) | 2015-10-23 | 2016-07-25 | 弾性波装置 |
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| KR (1) | KR102157602B1 (ko) |
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| CN105993129A (zh) * | 2014-03-14 | 2016-10-05 | 株式会社村田制作所 | 弹性波装置 |
| WO2018235605A1 (ja) * | 2017-06-23 | 2018-12-27 | 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および通信装置 |
| US10686425B2 (en) | 2017-06-30 | 2020-06-16 | Texas Instruments Incorporated | Bulk acoustic wave resonators having convex surfaces, and methods of forming the same |
| US10615772B2 (en) | 2017-06-30 | 2020-04-07 | Texas Instruments Incorporated | Acoustic wave resonators having Fresnel surfaces |
| US11539341B2 (en) | 2017-07-04 | 2022-12-27 | Kyocera Corporation | Acoustic wave device, multiplexer, and communication apparatus |
| US10855251B2 (en) * | 2017-08-08 | 2020-12-01 | Texas Instruments Incorporated | Unreleased plane acoustic wave resonators |
| JP2019102883A (ja) | 2017-11-29 | 2019-06-24 | 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 |
| JP2019140456A (ja) | 2018-02-07 | 2019-08-22 | 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 |
| US10972072B2 (en) | 2018-03-14 | 2021-04-06 | Murata Manufacturing Co., Ltd. | Composite multiplexer |
| EP3599720B1 (en) * | 2018-07-27 | 2022-06-29 | Frec'n'sys | Resonant cavity surface acoustic wave (saw) filters |
| KR20240044522A (ko) | 2018-07-27 | 2024-04-04 | 소이텍 | 공동 공진 saw 필터 |
| WO2021020102A1 (ja) * | 2019-07-30 | 2021-02-04 | 京セラ株式会社 | 弾性波装置及び通信装置 |
| WO2021025004A1 (ja) * | 2019-08-08 | 2021-02-11 | 国立大学法人東北大学 | 弾性波デバイス |
| CN113381721B (zh) * | 2021-05-06 | 2023-08-08 | 偲百创(深圳)科技有限公司 | 压电换能器制作方法及压电换能器 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012086441A1 (ja) * | 2010-12-24 | 2012-06-28 | 株式会社村田製作所 | 弾性波装置及びその製造方法 |
| JP2013258373A (ja) * | 2012-06-14 | 2013-12-26 | Sumitomo Electric Ind Ltd | 複合基板およびその製造方法 |
| US20140130319A1 (en) | 2010-09-28 | 2014-05-15 | Murata Manufacturing Co., Ltd. | Method for manufacturing piezoelectric device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4077805B2 (ja) * | 2004-04-23 | 2008-04-23 | 松下電器産業株式会社 | 共振器の製造方法 |
| JP4016983B2 (ja) * | 2004-12-07 | 2007-12-05 | 株式会社村田製作所 | 圧電薄膜共振子およびその製造方法 |
| JPWO2007026637A1 (ja) * | 2005-08-30 | 2009-03-26 | パナソニック株式会社 | 圧電共振器及び圧電共振器の製造方法 |
| DE112008002199B4 (de) * | 2007-08-14 | 2021-10-14 | Avago Technologies International Sales Pte. Limited | Verfahren zum Bilden einer Multilayer-Elektrode, welche unter einer piezoelektrischen Schicht liegt, und entsprechende Struktur |
| DE112008002283B4 (de) * | 2007-09-06 | 2018-01-04 | Murata Manufacturing Co., Ltd. | Piezoelektrischer Resonator |
| JPWO2010122993A1 (ja) * | 2009-04-22 | 2012-10-25 | 株式会社村田製作所 | 弾性境界波装置及びその製造方法 |
| 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 |
| WO2013061926A1 (ja) * | 2011-10-24 | 2013-05-02 | 株式会社村田製作所 | 弾性表面波装置 |
| JP6318682B2 (ja) * | 2014-02-19 | 2018-05-09 | セイコーエプソン株式会社 | 圧電アクチュエーター、及び液体噴射ヘッド |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140130319A1 (en) | 2010-09-28 | 2014-05-15 | Murata Manufacturing Co., Ltd. | Method for manufacturing piezoelectric device |
| WO2012086441A1 (ja) * | 2010-12-24 | 2012-06-28 | 株式会社村田製作所 | 弾性波装置及びその製造方法 |
| JP2013258373A (ja) * | 2012-06-14 | 2013-12-26 | Sumitomo Electric Ind Ltd | 複合基板およびその製造方法 |
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| US11239819B2 (en) | 2022-02-01 |
| WO2017068827A1 (ja) | 2017-04-27 |
| US20180205362A1 (en) | 2018-07-19 |
| CN108028637A (zh) | 2018-05-11 |
| CN108028637B (zh) | 2021-05-11 |
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