IT1170573B - Perfezionamento nei risuonatori piezoelettrici - Google Patents

Perfezionamento nei risuonatori piezoelettrici

Info

Publication number
IT1170573B
IT1170573B IT49285/83A IT4928583A IT1170573B IT 1170573 B IT1170573 B IT 1170573B IT 49285/83 A IT49285/83 A IT 49285/83A IT 4928583 A IT4928583 A IT 4928583A IT 1170573 B IT1170573 B IT 1170573B
Authority
IT
Italy
Prior art keywords
resoners
piezoelectric
improvement
piezoelectric resoners
Prior art date
Application number
IT49285/83A
Other languages
English (en)
Other versions
IT8349285A1 (it
IT8349285A0 (it
Inventor
Lawrence N Dworsky
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of IT8349285A0 publication Critical patent/IT8349285A0/it
Publication of IT8349285A1 publication Critical patent/IT8349285A1/it
Application granted granted Critical
Publication of IT1170573B publication Critical patent/IT1170573B/it

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
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • 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
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02062—Details relating to the vibration mode
    • H03H9/0207—Details relating to the vibration mode the vibration mode being harmonic
    • 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
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness
    • 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
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
    • H03H9/132—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials characterized by a particular shape
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/177—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator of the energy-trap type
    • 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
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56—Monolithic crystal filters

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Lasers (AREA)
  • Semiconductor Lasers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
IT49285/83A 1982-11-08 1983-11-07 Perfezionamento nei risuonatori piezoelettrici IT1170573B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/439,685 US4481488A (en) 1982-11-08 1982-11-08 Trapped energy resonator for oscillator and multiple resonator applications

Publications (3)

Publication Number Publication Date
IT8349285A0 IT8349285A0 (it) 1983-11-07
IT8349285A1 IT8349285A1 (it) 1985-05-07
IT1170573B true IT1170573B (it) 1987-06-03

Family

ID=23745731

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49285/83A IT1170573B (it) 1982-11-08 1983-11-07 Perfezionamento nei risuonatori piezoelettrici

Country Status (11)

Country Link
US (1) US4481488A (it)
EP (1) EP0124600A4 (it)
JP (1) JPS59502128A (it)
KR (1) KR910001647B1 (it)
AU (1) AU550978B2 (it)
CA (1) CA1203860A (it)
DK (1) DK296784D0 (it)
IT (1) IT1170573B (it)
NO (1) NO842570L (it)
WO (1) WO1984001857A1 (it)
ZA (1) ZA838122B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6051016A (ja) * 1983-08-30 1985-03-22 Murata Mfg Co Ltd 圧電共振部品
US4839618A (en) * 1987-05-26 1989-06-13 General Electric Company Monolithic crystal filter with wide bandwidth and method of making same
JP2733604B2 (ja) * 1988-06-17 1998-03-30 日本電波工業株式会社 圧電振動子
JP2965602B2 (ja) * 1990-02-26 1999-10-18 日立金属株式会社 積層型変位素子
GB9013056D0 (en) * 1990-06-12 1990-08-01 Stc Plc Temperature sensor
GB2276784A (en) * 1993-03-22 1994-10-05 Motorola Gmbh Shifting spurious frequencies away from received frequency
US5578974A (en) * 1995-04-28 1996-11-26 Motorola, Inc. Piezoelectric filter with a curved electrode
US6020797A (en) * 1998-08-21 2000-02-01 Cts Corporation Electrode connection configuration and method for a multi-pole monolithic crystal filter
JP3446705B2 (ja) * 2000-01-20 2003-09-16 株式会社村田製作所 圧電共振子
JP3858639B2 (ja) * 2000-08-31 2006-12-20 株式会社村田製作所 圧電共振子および電子機器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763446A (en) * 1972-03-31 1973-10-02 Murata Manufacturing Co High frequency multi-resonator of trapped energy type
FR2186175A5 (it) * 1972-05-24 1974-01-04 Thomson Csf
US4048593A (en) * 1974-05-13 1977-09-13 Zillman Jack H Electrical component for providing integrated inductive-capacitive networks
JPS5335423U (it) * 1976-08-31 1978-03-28
US4156214A (en) * 1977-01-14 1979-05-22 Motorola, Inc. Multipole resonator
US4123680A (en) * 1977-05-26 1978-10-31 Tyco Crystal Products, Inc. Piezoelectric quartz crystal products and fabrication methods therefor
GB1605120A (en) * 1978-04-11 1981-12-16 Marconi Co Ltd Electrical networks for use at high frequencies
US4376919A (en) * 1979-10-16 1983-03-15 Seikosha Co., Ltd. Circuitry for switching effective electrode area on a crystal in a crystal oscillator to vary the oscillation frequency
US4281300A (en) * 1979-11-08 1981-07-28 Motorola, Inc. Multi-pole crystal filter and method of improving the frequency response
US4329666A (en) * 1980-08-11 1982-05-11 Motorola, Inc. Two-pole monolithic crystal filter
US4342014A (en) * 1981-01-05 1982-07-27 Motorola, Inc. Multi-resonator crystal filter having a reduced number of pins and method of fabrication thereof

Also Published As

Publication number Publication date
US4481488A (en) 1984-11-06
KR910001647B1 (ko) 1991-03-16
ZA838122B (en) 1984-06-27
KR840006890A (ko) 1984-12-03
IT8349285A1 (it) 1985-05-07
IT8349285A0 (it) 1983-11-07
EP0124600A1 (en) 1984-11-14
DK296784A (da) 1984-06-18
CA1203860A (en) 1986-04-29
DK296784D0 (da) 1984-06-18
JPS59502128A (ja) 1984-12-20
NO842570L (no) 1984-06-26
EP0124600A4 (en) 1986-07-23
AU2340184A (en) 1984-05-22
AU550978B2 (en) 1986-04-10
WO1984001857A1 (en) 1984-05-10

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