JPH0149050B2 - - Google Patents

Info

Publication number
JPH0149050B2
JPH0149050B2 JP57230731A JP23073182A JPH0149050B2 JP H0149050 B2 JPH0149050 B2 JP H0149050B2 JP 57230731 A JP57230731 A JP 57230731A JP 23073182 A JP23073182 A JP 23073182A JP H0149050 B2 JPH0149050 B2 JP H0149050B2
Authority
JP
Japan
Prior art keywords
filter
piezoelectric
substrate
piezoelectric substrate
short side
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
JP57230731A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59115609A (ja
Inventor
Takashi Yamamoto
Hiroyuki Takahashi
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to JP23073182A priority Critical patent/JPS59115609A/ja
Priority to CA000443948A priority patent/CA1207854A/fr
Publication of JPS59115609A publication Critical patent/JPS59115609A/ja
Publication of JPH0149050B2 publication Critical patent/JPH0149050B2/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
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56—Monolithic crystal filters
    • H03H9/562—Monolithic crystal filters comprising a ceramic piezoelectric layer
    • 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
    • H03H9/02157—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 devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H03H9/581—Multiple crystal filters comprising ceramic piezoelectric layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
JP23073182A 1982-12-22 1982-12-22 圧電フイルタ Granted JPS59115609A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP23073182A JPS59115609A (ja) 1982-12-22 1982-12-22 圧電フイルタ
CA000443948A CA1207854A (fr) 1982-12-22 1983-12-21 Resonateur piezoelectrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23073182A JPS59115609A (ja) 1982-12-22 1982-12-22 圧電フイルタ

Publications (2)

Publication Number Publication Date
JPS59115609A JPS59115609A (ja) 1984-07-04
JPH0149050B2 true JPH0149050B2 (fr) 1989-10-23

Family

ID=16912413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23073182A Granted JPS59115609A (ja) 1982-12-22 1982-12-22 圧電フイルタ

Country Status (2)

Country Link
JP (1) JPS59115609A (fr)
CA (1) CA1207854A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS621422U (fr) * 1985-06-17 1987-01-07
JPH0199310A (ja) * 1987-10-12 1989-04-18 Murata Mfg Co Ltd 電歪効果素子
JPH0253315A (ja) * 1988-08-18 1990-02-22 Murata Mfg Co Ltd 圧電フイルタ
JP2924909B2 (ja) * 1989-09-20 1999-07-26 株式会社村田製作所 圧電発振子
JP3695615B2 (ja) * 1997-06-12 2005-09-14 株式会社村田製作所 エネルギー閉じ込め型厚み縦圧電共振子
JPH114133A (ja) * 1997-06-12 1999-01-06 Murata Mfg Co Ltd 厚み縦圧電共振子

Also Published As

Publication number Publication date
JPS59115609A (ja) 1984-07-04
CA1207854A (fr) 1986-07-15

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