JP3950611B2 - 弾性表面波共振器 - Google Patents

弾性表面波共振器 Download PDF

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Publication number
JP3950611B2
JP3950611B2 JP2000023270A JP2000023270A JP3950611B2 JP 3950611 B2 JP3950611 B2 JP 3950611B2 JP 2000023270 A JP2000023270 A JP 2000023270A JP 2000023270 A JP2000023270 A JP 2000023270A JP 3950611 B2 JP3950611 B2 JP 3950611B2
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JP
Japan
Prior art keywords
surface acoustic
acoustic wave
electrode fingers
electrode
piezoelectric substrate
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.)
Expired - Fee Related
Application number
JP2000023270A
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English (en)
Japanese (ja)
Other versions
JP2000286663A5 (enExample
JP2000286663A (ja
Inventor
敦 礒部
光孝 疋田
健吾 浅井
淳司 住岡
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.)
Hitachi Ltd
Kokusai Denki Electric Inc
Original Assignee
Hitachi Ltd
Hitachi Kokusai Electric Inc
Kokusai Denki Electric Inc
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.)
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Publication date
Application filed by Hitachi Ltd, Hitachi Kokusai Electric Inc, Kokusai Denki Electric Inc filed Critical Hitachi Ltd
Priority to JP2000023270A priority Critical patent/JP3950611B2/ja
Publication of JP2000286663A publication Critical patent/JP2000286663A/ja
Publication of JP2000286663A5 publication Critical patent/JP2000286663A5/ja
Application granted granted Critical
Publication of JP3950611B2 publication Critical patent/JP3950611B2/ja
Anticipated expiration legal-status Critical
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  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP2000023270A 1999-01-27 2000-01-27 弾性表面波共振器 Expired - Fee Related JP3950611B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000023270A JP3950611B2 (ja) 1999-01-27 2000-01-27 弾性表面波共振器

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1890999 1999-01-27
JP11-18909 1999-01-27
JP2000023270A JP3950611B2 (ja) 1999-01-27 2000-01-27 弾性表面波共振器

Publications (3)

Publication Number Publication Date
JP2000286663A JP2000286663A (ja) 2000-10-13
JP2000286663A5 JP2000286663A5 (enExample) 2005-02-10
JP3950611B2 true JP3950611B2 (ja) 2007-08-01

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ID=26355653

Family Applications (1)

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JP2000023270A Expired - Fee Related JP3950611B2 (ja) 1999-01-27 2000-01-27 弾性表面波共振器

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JP (1) JP3950611B2 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3863712B2 (ja) * 2000-09-06 2006-12-27 株式会社日立製作所 弾性表面波共振器
EP1239588A2 (en) * 2001-03-04 2002-09-11 Kazuhiko Yamanouchi Surface acoustic wave substrate and surface acoustic wave functional element
JP2002353762A (ja) * 2001-05-23 2002-12-06 Hitachi Kokusai Electric Inc 弾性表面波素子の製造方法
KR20050112689A (ko) * 2004-05-27 2005-12-01 삼성전기주식회사 표면 탄성파 필터
WO2006078001A1 (ja) * 2005-01-21 2006-07-27 National University Corporation Chiba University 弾性表面波装置
CN101821944B (zh) 2007-10-18 2012-12-26 株式会社村田制作所 弹性表面波谐振器以及梯型滤波器
CN102365822B (zh) * 2009-04-07 2014-07-09 株式会社村田制作所 弹性边界波谐振器以及梯型滤波器
WO2010140456A1 (ja) 2009-06-04 2010-12-09 株式会社村田製作所 弾性波共振子、ラダー型フィルタ及びデュプレクサ
JP5772256B2 (ja) * 2011-06-08 2015-09-02 株式会社村田製作所 弾性波装置
USRE47991E1 (en) 2011-06-28 2020-05-12 Kyocera Corporation Acoustic wave element and acoustic wave device using same
CN105814794B (zh) 2013-12-26 2019-05-17 株式会社村田制作所 弹性波装置以及滤波器装置
WO2016208236A1 (ja) 2015-06-22 2016-12-29 株式会社村田製作所 弾性波フィルタ装置
CN107615654B (zh) 2015-06-24 2020-08-21 株式会社村田制作所 滤波器装置
WO2018193933A1 (ja) 2017-04-20 2018-10-25 株式会社村田製作所 弾性波装置、帯域通過型フィルタ及びマルチプレクサ
CN115298958A (zh) 2020-03-18 2022-11-04 株式会社村田制作所 弹性波装置
CN114567284A (zh) * 2022-02-23 2022-05-31 浙江星曜半导体有限公司 一种具有异形汇流条的声表面波谐振器
CN114531136A (zh) * 2022-02-24 2022-05-24 广东广纳芯科技有限公司 声表面波谐振器、以及具有该谐振器的声表面波滤波器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2664228B2 (ja) * 1988-12-23 1997-10-15 株式会社日立製作所 弾性表面波装置
JPH09116378A (ja) * 1995-10-20 1997-05-02 Toyo Commun Equip Co Ltd Ｉｄｔ励振デバイス

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Publication number Publication date
JP2000286663A (ja) 2000-10-13

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