ATE343869T1 - Akustische oberflächenwellenvorrichtung - Google Patents

Akustische oberflächenwellenvorrichtung

Info

Publication number
ATE343869T1
ATE343869T1 AT02017721T AT02017721T ATE343869T1 AT E343869 T1 ATE343869 T1 AT E343869T1 AT 02017721 T AT02017721 T AT 02017721T AT 02017721 T AT02017721 T AT 02017721T AT E343869 T1 ATE343869 T1 AT E343869T1
Authority
AT
Austria
Prior art keywords
electrodes
short
idt electrodes
reflectors
pitch
Prior art date
Application number
AT02017721T
Other languages
English (en)
Inventor
Takashi Yamazaki
Keigo Iizawa
Shigeo Kanna
Original Assignee
Seiko Epson Corp
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.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Application granted granted Critical
Publication of ATE343869T1 publication Critical patent/ATE343869T1/de

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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02543—Characteristics of substrate, e.g. cutting angles
    • H03H9/02551—Characteristics of substrate, e.g. cutting angles of quartz substrates

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
AT02017721T 2001-08-09 2002-08-08 Akustische oberflächenwellenvorrichtung ATE343869T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001242757 2001-08-09
JP2002152018A JP3724575B2 (ja) 2001-08-09 2002-05-27 弾性表面波装置

Publications (1)

Publication Number Publication Date
ATE343869T1 true ATE343869T1 (de) 2006-11-15

Family

ID=26620308

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02017721T ATE343869T1 (de) 2001-08-09 2002-08-08 Akustische oberflächenwellenvorrichtung

Country Status (5)

Country Link
US (1) US6774747B2 (de)
EP (1) EP1289134B1 (de)
JP (1) JP3724575B2 (de)
AT (1) ATE343869T1 (de)
DE (1) DE60215597T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3675373B2 (ja) * 2001-07-17 2005-07-27 セイコーエプソン株式会社 発振回路の温度特性調整方法
JP2005204275A (ja) * 2003-12-12 2005-07-28 Seiko Epson Corp 弾性表面波素子片およびその製造方法並びに弾性表面波装置
JP2006148622A (ja) * 2004-11-22 2006-06-08 Seiko Epson Corp 弾性表面波装置および電子機器
JP4412292B2 (ja) * 2006-02-06 2010-02-10 セイコーエプソン株式会社 弾性表面波装置および電子機器
JP4868124B2 (ja) * 2006-02-22 2012-02-01 セイコーエプソン株式会社 弾性表面波共振子
JP4591800B2 (ja) 2008-02-20 2010-12-01 エプソントヨコム株式会社 弾性表面波デバイスおよび弾性表面波発振器
CN102197590B (zh) * 2008-10-24 2014-12-24 精工爱普生株式会社 表面声波谐振器、表面声波振荡器以及表面声波模块装置
US8952596B2 (en) 2009-02-27 2015-02-10 Seiko Epson Corporation Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic instrument
JP4645923B2 (ja) 2009-02-27 2011-03-09 セイコーエプソン株式会社 弾性表面波共振子、および弾性表面波発振器
JP2011182220A (ja) * 2010-03-02 2011-09-15 Panasonic Corp 弾性波共振器及びこれを用いた縦結合二重モードフィルタ、ラダー型フィルタ
JP5678486B2 (ja) 2010-06-17 2015-03-04 セイコーエプソン株式会社 弾性表面波共振子、弾性表面波発振器および電子機器
JP5934464B2 (ja) 2010-08-26 2016-06-15 セイコーエプソン株式会社 弾性表面波共振子、および弾性表面波発振器、ならびに電子機器
JP2012049818A (ja) 2010-08-26 2012-03-08 Seiko Epson Corp 弾性表面波共振子、弾性表面波発振器、電子機器
JP2012049817A (ja) 2010-08-26 2012-03-08 Seiko Epson Corp 弾性表面波デバイス、および弾性表面波発振器、ならびに電子機器
JP2012060420A (ja) 2010-09-09 2012-03-22 Seiko Epson Corp 弾性表面波デバイス、電子機器及びセンサー装置
JP5652606B2 (ja) 2010-12-03 2015-01-14 セイコーエプソン株式会社 弾性表面波共振子、弾性表面波発振器、及び電子機器
JP5648908B2 (ja) 2010-12-07 2015-01-07 セイコーエプソン株式会社 振動デバイス、並びに発振器、および電子機器
US9673777B2 (en) 2011-11-17 2017-06-06 Transense Technologies Plc Quartz substrate orientations for compact monolithic differential temperature sensor, and sensors using same
US10103624B2 (en) * 2016-06-29 2018-10-16 Win Semiconductors Corp. Thermal sensor circuit
US11095266B2 (en) 2016-10-07 2021-08-17 Qorvo Us, Inc. Slanted apodization for acoustic wave devices

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232240A (en) * 1979-05-31 1980-11-04 The United States Of America As Represented By The Secretary Of The Air Force High piezoelectric coupling X-cuts of lead potassium niobate, Pb2 Knb5 O15 , for surface acoustic wave applications
US4323809A (en) * 1979-12-19 1982-04-06 The United States Of America As Represented By The Secretary Of The Air Force Surface acoustic wave substrate having orthogonal temperature compensated propagation directions and device applications
JPH02250412A (ja) * 1989-03-23 1990-10-08 Murata Mfg Co Ltd 弾性表面波装置
JPH02250413A (ja) 1989-03-23 1990-10-08 Murata Mfg Co Ltd 弾性表面波装置
JPH02260908A (ja) 1989-03-31 1990-10-23 Murata Mfg Co Ltd 弾性表面波装置
US5081389A (en) * 1990-11-30 1992-01-14 Ascom Zelcom Ag. Crystal cut angles for lithium tantalate crystal for novel surface acoustic wave devices
WO1996010293A1 (en) * 1994-09-29 1996-04-04 Seiko Epson Corporation Saw device
DE69608997T2 (de) 1995-04-12 2000-11-16 Matsushita Electric Industrial Co., Ltd. Resonateur-Kettenfilter mit akustischen Oberflächenwellen
WO1997012398A1 (en) * 1995-09-29 1997-04-03 Analog Devices, Inc. Integrated circuit and supply decoupling capacitor therefor
JPH11136083A (ja) * 1997-08-27 1999-05-21 Murata Mfg Co Ltd 表面波装置
JP3414371B2 (ja) * 2000-07-31 2003-06-09 株式会社村田製作所 弾性表面波装置及びその製造方法
JP2002176333A (ja) * 2000-12-07 2002-06-21 Fujitsu Media Device Kk 弾性表面波フィルタ

Also Published As

Publication number Publication date
JP2003124780A (ja) 2003-04-25
US20030030513A1 (en) 2003-02-13
EP1289134A3 (de) 2004-02-25
DE60215597T2 (de) 2007-08-23
JP3724575B2 (ja) 2005-12-07
DE60215597D1 (de) 2006-12-07
EP1289134A2 (de) 2003-03-05
EP1289134B1 (de) 2006-10-25
US6774747B2 (en) 2004-08-10

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Legal Events

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