ATE64042T1 - Akustische oberflaechenwellenanordnung mit widerstandsschichten. - Google Patents

Akustische oberflaechenwellenanordnung mit widerstandsschichten.

Info

Publication number
ATE64042T1
ATE64042T1 AT86301324T AT86301324T ATE64042T1 AT E64042 T1 ATE64042 T1 AT E64042T1 AT 86301324 T AT86301324 T AT 86301324T AT 86301324 T AT86301324 T AT 86301324T AT E64042 T1 ATE64042 T1 AT E64042T1
Authority
AT
Austria
Prior art keywords
idt
substrate
acoustic wave
surface acoustic
idts
Prior art date
Application number
AT86301324T
Other languages
English (en)
Inventor
Grantley Oliver Este
Mark Spencer Suthers
Richard William Streater
Blair Kenneth Maclaurin
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Application granted granted Critical
Publication of ATE64042T1 publication Critical patent/ATE64042T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/08—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Bipolar Transistors (AREA)
  • Hall/Mr Elements (AREA)
AT86301324T 1985-03-29 1986-02-24 Akustische oberflaechenwellenanordnung mit widerstandsschichten. ATE64042T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA000477949A CA1252557A (en) 1985-03-29 1985-03-29 Saw devices including resistive films
EP86301324A EP0200304B1 (de) 1985-03-29 1986-02-24 Akustische Oberflächenwellenanordnung mit Widerstandsschichten

Publications (1)

Publication Number Publication Date
ATE64042T1 true ATE64042T1 (de) 1991-06-15

Family

ID=4130153

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86301324T ATE64042T1 (de) 1985-03-29 1986-02-24 Akustische oberflaechenwellenanordnung mit widerstandsschichten.

Country Status (6)

Country Link
EP (1) EP0200304B1 (de)
JP (1) JPS61228713A (de)
AT (1) ATE64042T1 (de)
AU (1) AU585317B2 (de)
CA (1) CA1252557A (de)
DE (1) DE3679444D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1254994A (en) * 1985-03-29 1989-05-30 Mark S. Suthers Saw devices with reflection-suppressing fingers
US4931752A (en) * 1987-09-30 1990-06-05 Hewlett-Packard Company Polyimide damper for surface acoustic wave device
JP2607677Y2 (ja) * 1991-12-19 2002-03-04 日本無線株式会社 弾性表面波装置
NO970220L (no) * 1996-01-19 1997-07-21 Murata Manufacturing Co Transduktor med tynnfilmsjikt av metall, for akustiske overflatebölger
CN1133268C (zh) * 1997-07-28 2003-12-31 东芝株式会社 表面声波滤波器及其制造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128474A (en) * 1974-09-03 1976-03-10 Matsushita Electric Industrial Co Ltd Isoseigyosochi
US3978436A (en) * 1975-11-10 1976-08-31 Rca Corporation Surface acoustic wave device and method of making same
US4322651A (en) * 1977-05-09 1982-03-30 Murata Manufacturing Co., Ltd. Acoustic surface wave device
JPS548974A (en) * 1977-06-23 1979-01-23 Mitsubishi Electric Corp Manufacture of semiconductor device
JPS56116317A (en) * 1980-02-19 1981-09-12 Matsushita Electric Ind Co Ltd Material for elastic surface wave
US4472694A (en) * 1982-09-07 1984-09-18 Gte Laboratories Incorporated Acoustic surface wave device
JPS5955615A (ja) * 1982-09-24 1984-03-30 Hitachi Ltd 弾性表面波装置およびその製造方法

Also Published As

Publication number Publication date
DE3679444D1 (de) 1991-07-04
EP0200304A2 (de) 1986-11-05
EP0200304B1 (de) 1991-05-29
AU5444086A (en) 1986-10-02
EP0200304A3 (en) 1987-12-23
CA1252557A (en) 1989-04-11
JPS61228713A (ja) 1986-10-11
AU585317B2 (en) 1989-06-15

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee