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JPS5283049A - Piezo-electric ceramic wave filter - Google Patents

Piezo-electric ceramic wave filter

Info

Publication number
JPS5283049A
JPS5283049A JP15930275A JP15930275A JPS5283049A JP S5283049 A JPS5283049 A JP S5283049A JP 15930275 A JP15930275 A JP 15930275A JP 15930275 A JP15930275 A JP 15930275A JP S5283049 A JPS5283049 A JP S5283049A
Authority
JP
Japan
Prior art keywords
piezo
wave filter
electric ceramic
ceramic wave
vibration
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.)
Pending
Application number
JP15930275A
Other languages
Japanese (ja)
Inventor
Kiyokazu Hagiwara
Yasuo Nakajima
Takashi Nagata
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP15930275A priority Critical patent/JPS5283049A/en
Publication of JPS5283049A publication Critical patent/JPS5283049A/en
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
    • H03H9/46—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

PURPOSE:To remove attenuation of the main vibration, removing the unnecessary vibration in the high frequency thickness vibration mode, by combining the piezo-elelctric ceramic material and the electrode construction.
JP15930275A 1975-12-29 1975-12-29 Piezo-electric ceramic wave filter Pending JPS5283049A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15930275A JPS5283049A (en) 1975-12-29 1975-12-29 Piezo-electric ceramic wave filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15930275A JPS5283049A (en) 1975-12-29 1975-12-29 Piezo-electric ceramic wave filter

Publications (1)

Publication Number Publication Date
JPS5283049A true JPS5283049A (en) 1977-07-11

Family

ID=15690819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15930275A Pending JPS5283049A (en) 1975-12-29 1975-12-29 Piezo-electric ceramic wave filter

Country Status (1)

Country Link
JP (1) JPS5283049A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0048512A1 (en) * 1980-09-19 1982-03-31 Stamicarbon B.V. Process for the preparation of a graft copolymer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0048512A1 (en) * 1980-09-19 1982-03-31 Stamicarbon B.V. Process for the preparation of a graft copolymer

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