JPH0646692B2 - 弾性表面波共振子 - Google Patents

弾性表面波共振子

Info

Publication number
JPH0646692B2
JPH0646692B2 JP61002037A JP203786A JPH0646692B2 JP H0646692 B2 JPH0646692 B2 JP H0646692B2 JP 61002037 A JP61002037 A JP 61002037A JP 203786 A JP203786 A JP 203786A JP H0646692 B2 JPH0646692 B2 JP H0646692B2
Authority
JP
Japan
Prior art keywords
electrode
acoustic wave
interdigital
surface acoustic
reflector
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
JP61002037A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62160807A (ja
Inventor
芝　　隆司
憲生 保坂
威光 武馬
山田　　純
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
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP61002037A priority Critical patent/JPH0646692B2/ja
Priority to US07/000,763 priority patent/US4760359A/en
Priority to DE19873700498 priority patent/DE3700498A1/de
Publication of JPS62160807A publication Critical patent/JPS62160807A/ja
Publication of JPH0646692B2 publication Critical patent/JPH0646692B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02842—Means for compensation or elimination of undesirable effects of reflections
    • H03H9/0285—Means for compensation or elimination of undesirable effects of reflections of triple transit echo
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/25—Constructional features of resonators using surface acoustic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP61002037A 1986-01-10 1986-01-10 弾性表面波共振子 Expired - Fee Related JPH0646692B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP61002037A JPH0646692B2 (ja) 1986-01-10 1986-01-10 弾性表面波共振子
US07/000,763 US4760359A (en) 1986-01-10 1987-01-06 Surface acoustic wave resonator
DE19873700498 DE3700498A1 (de) 1986-01-10 1987-01-09 Oberflaechen-schallwellenresonator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61002037A JPH0646692B2 (ja) 1986-01-10 1986-01-10 弾性表面波共振子

Publications (2)

Publication Number Publication Date
JPS62160807A JPS62160807A (ja) 1987-07-16
JPH0646692B2 true JPH0646692B2 (ja) 1994-06-15

Family

ID=11518126

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61002037A Expired - Fee Related JPH0646692B2 (ja) 1986-01-10 1986-01-10 弾性表面波共振子

Country Status (3)

Country Link
US (1) US4760359A (en, 2012)
JP (1) JPH0646692B2 (en, 2012)
DE (1) DE3700498A1 (en, 2012)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2982208B2 (ja) * 1990-03-30 1999-11-22 富士通株式会社 弾性表面波素子
US5212420A (en) * 1991-09-03 1993-05-18 Motorola, Inc. Method and apparatus for surface acoustic wave reflector grating
US5313177A (en) * 1992-04-06 1994-05-17 Motorola, Inc. Method and apparatus for an acoustic wave filter
US5274345A (en) * 1992-05-13 1993-12-28 Andersen Laboratories Dual function reflector structures for interdigital saw transducer
DE4229974C2 (de) * 1992-09-08 1997-04-10 Dresden Ev Inst Festkoerper Akustisches Oberflächenwellenbauelement
JPH06338756A (ja) 1993-05-27 1994-12-06 Fujitsu Ltd 共振子型弾性表面波フィルタ
JP3185591B2 (ja) * 1995-03-03 2001-07-11 株式会社村田製作所 Ｓａｗ共振子
US6172582B1 (en) 1996-02-20 2001-01-09 Cts Corporation Saw resonator and ladder filter with specified number of reflector electrode fingers
JPH10276062A (ja) * 1997-03-31 1998-10-13 Sanyo Electric Co Ltd 弾性表面波デバイス
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2030407B (en) * 1978-09-22 1982-12-08 Philips Electronic Associated Acustic wave resonators and filters
US4249146A (en) * 1979-02-23 1981-02-03 Trw Inc. Surface acoustic wave resonators utilizing harmonic frequencies
DE2909705C2 (de) * 1979-03-12 1984-09-06 Siemens AG, 1000 Berlin und 8000 München Akustische Oberflächenwellenanordnung
US4387355A (en) * 1980-06-13 1983-06-07 Nippon Telegraph & Telephone Public Corporation Surface acoustic wave resonator
US4353046A (en) * 1980-11-04 1982-10-05 R F Monolithics, Inc. Surface acoustic wave device with reflectors
JPS5958907A (ja) * 1982-09-29 1984-04-04 Hitachi Ltd 弾性表面波装置

Also Published As

Publication number Publication date
DE3700498A1 (de) 1987-07-16
JPS62160807A (ja) 1987-07-16
US4760359A (en) 1988-07-26
DE3700498C2 (en, 2012) 1992-07-09

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees