JPS50120238A - - Google Patents

Info

Publication number
JPS50120238A
JPS50120238A JP50018685A JP1868575A JPS50120238A JP S50120238 A JPS50120238 A JP S50120238A JP 50018685 A JP50018685 A JP 50018685A JP 1868575 A JP1868575 A JP 1868575A JP S50120238 A JPS50120238 A JP S50120238A
Authority
JP
Japan
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.)
Pending
Application number
JP50018685A
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 filed Critical
Publication of JPS50120238A publication Critical patent/JPS50120238A/ja
Pending 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 devices; Electromechanical resonators
    • H03H9/30—Time-delay networks
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; 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 devices; 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
    • H03H9/133—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials for electromechanical delay lines or filters

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Transducers For Ultrasonic Waves (AREA)
JP50018685A 1974-02-15 1975-02-14 Pending JPS50120238A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7405204A FR2261654B1 (ja) 1974-02-15 1974-02-15

Publications (1)

Publication Number Publication Date
JPS50120238A true JPS50120238A (ja) 1975-09-20

Family

ID=9134972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50018685A Pending JPS50120238A (ja) 1974-02-15 1975-02-14

Country Status (8)

Country Link
US (1) US3983514A (ja)
JP (1) JPS50120238A (ja)
CA (1) CA1047130A (ja)
DE (1) DE2505819C2 (ja)
FR (1) FR2261654B1 (ja)
GB (1) GB1500373A (ja)
IT (1) IT1029697B (ja)
YU (1) YU31975A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5784607A (en) * 1980-11-17 1982-05-27 Toshiba Corp Surface acoustic wave device

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1089544A (en) * 1976-11-09 1980-11-11 Sadao Takahashi Elastic surface wave device
JPS53125861U (ja) * 1977-03-17 1978-10-06
JPS55157321U (ja) * 1979-04-02 1980-11-12
JPS5685923A (en) * 1979-12-13 1981-07-13 Matsushita Electric Ind Co Ltd Elastic surface wave transducer
DE3606214A1 (de) * 1986-02-26 1987-08-27 Siemens Ag Halterung des substratplaettchens eines oberflaechenwellen-bauelementes
DE3687783D1 (de) * 1985-12-05 1993-03-25 Siemens Ag Oberflaechenwellenbauelement.
CA1273701A (en) * 1986-03-12 1990-09-04 Mark S. Suthers Saw device with apodized idt
DE4212517C2 (de) * 1992-04-14 1995-02-23 Siemens Ag Oberflächenwellenanordnung mit mindestens zwei in Richtung der Hauptwellenausbreitung benachbarten Oberflächenwellen-Strukturen
EP0622897B1 (en) * 1993-04-28 2001-03-07 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave device and method of manufacturing the same
US5839062A (en) * 1994-03-18 1998-11-17 The Regents Of The University Of California Mixing, modulation and demodulation via electromechanical resonators
DE10102747B4 (de) * 2001-01-22 2010-06-10 Epcos Ag Piezoelektrisches Substrat und Verfahren zur Herstellung
JP3987036B2 (ja) * 2001-11-06 2007-10-03 インフィネオン テクノロジーズ アクチエンゲゼルシャフト フィルタ装置およびその製造方法
DE10325281B4 (de) * 2003-06-04 2018-05-17 Snaptrack, Inc. Elektroakustisches Bauelement und Verfahren zur Herstellung
JP4246604B2 (ja) * 2003-11-18 2009-04-02 富士通メディアデバイス株式会社 弾性表面波デバイス

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070761A (en) * 1953-05-07 1962-12-25 Smith & Sons Ltd S Ultrasonic delay lines
JPS4998552A (ja) * 1973-01-20 1974-09-18

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL154076B (nl) * 1966-12-28 1977-07-15 Philips Nv Werkwijzen voor het vervaardigen van een ultrasone vertragingslijn, alsmede ultrasone vertraginslijnen vervaardigd volgens die werkwijzen.
FR2036374A5 (ja) * 1969-03-12 1970-12-24 Thomson Csf
US3739290A (en) * 1971-05-05 1973-06-12 Secr Defence Acoustic surface wave devices
US3753166A (en) * 1971-12-06 1973-08-14 Sperry Rand Corp Surface wave bandpass filter with non-linear fm input and output transducers and design method therefor
US3781721A (en) * 1972-11-30 1973-12-25 Hughes Aircraft Co Acoustic surface wave device eliminating spurious end reflections
US3887887A (en) * 1973-12-28 1975-06-03 Texas Instruments Inc Acoustic bulk mode suppressor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070761A (en) * 1953-05-07 1962-12-25 Smith & Sons Ltd S Ultrasonic delay lines
JPS4998552A (ja) * 1973-01-20 1974-09-18

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5784607A (en) * 1980-11-17 1982-05-27 Toshiba Corp Surface acoustic wave device
JPH0221173B2 (ja) * 1980-11-17 1990-05-14 Tokyo Shibaura Electric Co

Also Published As

Publication number Publication date
CA1047130A (en) 1979-01-23
FR2261654B1 (ja) 1978-01-06
US3983514A (en) 1976-09-28
IT1029697B (it) 1979-03-20
DE2505819C2 (de) 1984-09-27
YU31975A (en) 1982-05-31
FR2261654A1 (ja) 1975-09-12
DE2505819A1 (de) 1975-08-21
GB1500373A (en) 1978-02-08

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