GB1594339A - Elastic surface wave device - Google Patents

Elastic surface wave device Download PDF

Info

Publication number
GB1594339A
GB1594339A GB46614/77A GB4661477A GB1594339A GB 1594339 A GB1594339 A GB 1594339A GB 46614/77 A GB46614/77 A GB 46614/77A GB 4661477 A GB4661477 A GB 4661477A GB 1594339 A GB1594339 A GB 1594339A
Authority
GB
United Kingdom
Prior art keywords
substrate
frequency
wave device
thickness
acoustic wave
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
Application number
GB46614/77A
Other languages
English (en)
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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
Priority claimed from JP13372076A external-priority patent/JPS5828770B2/ja
Priority claimed from JP13372176A external-priority patent/JPS53108256A/ja
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of GB1594339A publication Critical patent/GB1594339A/en
Expired legal-status Critical Current

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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6489—Compensation of undesirable effects
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02614—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
    • H03H9/02622—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the surface, including back surface
    • 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
    • H03H9/02866—Means for compensation or elimination of undesirable effects of bulk wave excitation and reflections

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)
GB46614/77A 1976-11-09 1977-11-09 Elastic surface wave device Expired GB1594339A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13372076A JPS5828770B2 (ja) 1976-11-09 1976-11-09 弾性表面波装置
JP13372176A JPS53108256A (en) 1976-11-09 1976-11-09 Elastic surface wave device

Publications (1)

Publication Number Publication Date
GB1594339A true GB1594339A (en) 1981-07-30

Family

ID=26467994

Family Applications (1)

Application Number Title Priority Date Filing Date
GB46614/77A Expired GB1594339A (en) 1976-11-09 1977-11-09 Elastic surface wave device

Country Status (5)

Country Link
US (1) US4163201A (enExample)
CA (1) CA1089544A (enExample)
DE (2) DE2760154C2 (enExample)
FR (1) FR2370387A1 (enExample)
GB (1) GB1594339A (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58119219A (ja) * 1982-01-11 1983-07-15 Hitachi Ltd 弾性表面波装置
JPH0897675A (ja) * 1994-09-28 1996-04-12 Canon Inc 弾性表面波素子及びその作製方法及びそれを用いた通信装置
DE19626410A1 (de) * 1996-07-01 1998-01-08 Siemens Matsushita Components Substrat für mit akustischen Oberflächenwellen arbeitende Bauelemente
EP1017169B1 (en) * 1998-12-29 2005-03-16 Kabushiki Kaisha Toshiba Surface acoustic wave device
EP1454412B1 (en) 2001-11-06 2009-10-28 Avago Technologies Wireless IP (Singapore) Pte. Ltd. Filter device and method of fabricating a filter device
CN100566152C (zh) * 2002-09-12 2009-12-02 Nxp股份有限公司 具有抑制体声波滤波器中通带波纹的装置的体声波谐振器
JP2005303980A (ja) * 2004-03-15 2005-10-27 Matsushita Electric Ind Co Ltd 弾性表面波デバイスおよびその形成方法
JP5910636B2 (ja) * 2012-02-03 2016-04-27 株式会社村田製作所 弾性表面波素子及びそれを備えた複合モジュール
US9991870B2 (en) 2015-08-25 2018-06-05 Avago Technologies General Ip (Singapore) Pte. Ltd. Surface acoustic wave (SAW) resonator
US10523178B2 (en) * 2015-08-25 2019-12-31 Avago Technologies International Sales Pte. Limited Surface acoustic wave (SAW) resonator
US10020796B2 (en) * 2015-08-25 2018-07-10 Avago Technologies General Ip (Singapore) Pte. Ltd. Surface acoustic wave (SAW) resonator
US10469056B2 (en) 2015-08-25 2019-11-05 Avago Technologies International Sales Pte. Limited Acoustic filters integrated into single die
US10090822B2 (en) * 2015-08-25 2018-10-02 Avago Technologies General Ip (Singapore) Pte. Ltd. Surface acoustic wave (SAW) resonator
US10177734B2 (en) 2015-08-25 2019-01-08 Avago Technologies International Sales Pte. Limited Surface acoustic wave (SAW) resonator
US20170063330A1 (en) * 2015-08-25 2017-03-02 Avago Technologies General Ip (Singapore) Pte. Ltd. Surface acoustic wave (saw) resonator
US10536133B2 (en) 2016-04-22 2020-01-14 Avago Technologies International Sales Pte. Limited Composite surface acoustic wave (SAW) device with absorbing layer for suppression of spurious responses
US20180337657A1 (en) * 2015-09-25 2018-11-22 Avago Technologies General Ip (Singapore) Pte. Ltd. Acoustic wave resonator having antiresonant cavity
US20180241374A1 (en) * 2015-09-25 2018-08-23 Avago Technologies General Ip (Singapore) Pte. Ltd Acoustic wave resonator having antiresonant cavity
US9369111B1 (en) * 2015-10-28 2016-06-14 Resonant Inc. Fabrication of surface acoustic wave filters having plate modes
US10177735B2 (en) * 2016-02-29 2019-01-08 Avago Technologies International Sales Pte. Limited Surface acoustic wave (SAW) resonator
JP2018037719A (ja) * 2016-08-29 2018-03-08 株式会社村田製作所 弾性波装置
US11183987B2 (en) * 2019-09-26 2021-11-23 Avago Technologies International Sales Pte. Limited Acoustic resonator device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3818382A (en) * 1970-10-20 1974-06-18 Raytheon Co Surface wave delay line structures having reduced temperature coefficient of delay time
GB1438777A (en) * 1973-09-04 1976-06-09 Mullard Ltd Electromechanical propagation devices and the manufacture thereof
JPS5099289A (enExample) * 1973-12-28 1975-08-06
FR2261654B1 (enExample) * 1974-02-15 1978-01-06 Thomson Csf
JPS5515887B2 (enExample) * 1974-09-09 1980-04-26
US4001767A (en) * 1975-11-18 1977-01-04 The United States Of America As Represented By The Secretary Of The Air Force Low diffraction loss-low spurious response LiTaO3 substrate for surface acoustic wave devices
JPS52114246A (en) * 1976-03-22 1977-09-24 Toshiba Corp Elastic surface wave device

Also Published As

Publication number Publication date
CA1089544A (en) 1980-11-11
DE2750144C2 (de) 1984-09-20
US4163201A (en) 1979-07-31
FR2370387A1 (fr) 1978-06-02
DE2760154C2 (de) 1984-12-20
FR2370387B1 (enExample) 1983-10-14
DE2750144A1 (de) 1978-05-18

Similar Documents

Publication Publication Date Title
GB1594339A (en) Elastic surface wave device
TW425758B (en) Surface acoustic wave device
EP0633659A1 (en) Surface acoustic wave filter
DE112004001841T5 (de) Oberflächenwellenbauelement
US20230077266A1 (en) Acoustic wave device
US12149223B2 (en) Acoustic wave device
EP0726649B1 (en) Surface acoustic wave device
EP0166880B1 (en) Surface acoustic wave device
DE10022675B4 (de) Akustisches Oberflächenwellenbauelement und Kommunikationsvorrichtung
WO2023246515A1 (zh) 一种纵向泄漏声表面波谐振器的结构及滤波器
EP0688098B1 (en) Diamond-LiTaO3 surface acoustic wave device
US4245200A (en) Method of intermediate frequency filtration in a television receiver
US6603371B2 (en) Surface acoustic wave device having a small acoustic velocity distribution and method of producing the same
US5302877A (en) Surface acoustic wave device
CN112600529A (zh) 一种具有poi结构的兰姆波谐振器
US4902925A (en) Reflectionless transducer
US3987377A (en) Elastic surface wave propagation device
CN119628595B (zh) 一种声表面波谐振器以及滤波器
US6452306B1 (en) Surface acoustic wave device and piezoelectric substrate used therefor
JPS58156220A (ja) 薄膜圧電フイルタ
KR20030011366A (ko) 탄성표면파 소자
EP0074781A2 (en) Surface acoustic wave filter
US6356167B1 (en) Surface acoustic wave resonator, surface acoustic wave filter, duplexer communications apparatus and surface acoustic wave apparatus, and production method of surface acoustic wave resonator
EP1309084B1 (en) Piezoelectric vibrator and filter using the same
US6759788B2 (en) Unidirectional surface acoustic wave transducer

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19971108