JPH0161251B2 - - Google Patents

Info

Publication number
JPH0161251B2
JPH0161251B2 JP56169638A JP16963881A JPH0161251B2 JP H0161251 B2 JPH0161251 B2 JP H0161251B2 JP 56169638 A JP56169638 A JP 56169638A JP 16963881 A JP16963881 A JP 16963881A JP H0161251 B2 JPH0161251 B2 JP H0161251B2
Authority
JP
Japan
Prior art keywords
electrode
electrodes
crystal resonator
excitation
shows
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
JP56169638A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5870612A (ja
Inventor
Hirofumi Kawashima
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments 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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP16963881A priority Critical patent/JPS5870612A/ja
Publication of JPS5870612A publication Critical patent/JPS5870612A/ja
Publication of JPH0161251B2 publication Critical patent/JPH0161251B2/ja
Granted 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
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02086—Means for compensation or elimination of undesirable effects
    • H03H9/02102—Means for compensation or elimination of undesirable effects of temperature influence
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/15—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
    • H03H9/19—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of quartz
    • 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
    • H03H3/02—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 piezoelectric or electrostrictive resonators or networks
    • H03H3/04—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 piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
    • H03H2003/0414—Resonance frequency
    • H03H2003/0421—Modification of the thickness of an element
    • H03H2003/0428—Modification of the thickness of an element of an electrode

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
JP16963881A 1981-10-23 1981-10-23 結合水晶振動子 Granted JPS5870612A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16963881A JPS5870612A (ja) 1981-10-23 1981-10-23 結合水晶振動子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16963881A JPS5870612A (ja) 1981-10-23 1981-10-23 結合水晶振動子

Publications (2)

Publication Number Publication Date
JPS5870612A JPS5870612A (ja) 1983-04-27
JPH0161251B2 true JPH0161251B2 (el) 1989-12-27

Family

ID=15890198

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16963881A Granted JPS5870612A (ja) 1981-10-23 1981-10-23 結合水晶振動子

Country Status (1)

Country Link
JP (1) JPS5870612A (el)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02186817A (ja) * 1989-01-13 1990-07-23 Seiko Electronic Components Ltd 輪郭すべり水晶振動子

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS533178A (en) * 1976-06-30 1978-01-12 Seiko Instr & Electronics Ltd Crystal vibrator
JPS5379396A (en) * 1976-12-23 1978-07-13 Nec Corp Square plate form piezoelectric ceramic vibrator
JPS5469986A (en) * 1977-11-15 1979-06-05 Seiko Instr & Electronics Ltd Piezoelectric vibrator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS533178A (en) * 1976-06-30 1978-01-12 Seiko Instr & Electronics Ltd Crystal vibrator
JPS5379396A (en) * 1976-12-23 1978-07-13 Nec Corp Square plate form piezoelectric ceramic vibrator
JPS5469986A (en) * 1977-11-15 1979-06-05 Seiko Instr & Electronics Ltd Piezoelectric vibrator

Also Published As

Publication number Publication date
JPS5870612A (ja) 1983-04-27

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