JPS53149750A - Ceramic filter - Google Patents

Ceramic filter

Info

Publication number
JPS53149750A
JPS53149750A JP6507877A JP6507877A JPS53149750A JP S53149750 A JPS53149750 A JP S53149750A JP 6507877 A JP6507877 A JP 6507877A JP 6507877 A JP6507877 A JP 6507877A JP S53149750 A JPS53149750 A JP S53149750A
Authority
JP
Japan
Prior art keywords
ceramic filter
partition
supporting
making
cover
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
JP6507877A
Other languages
Japanese (ja)
Inventor
Isao Kagatani
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP6507877A priority Critical patent/JPS53149750A/en
Publication of JPS53149750A publication Critical patent/JPS53149750A/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
    • H03H9/58—Multiple crystal filters
    • H03H9/581—Multiple crystal filters comprising ceramic piezoelectric layers
    • 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
    • H03H9/05—Holders; Supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
    • H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
    • H03H9/1028—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device the BAW device being held between spring terminals

Landscapes

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

Abstract

PURPOSE:To reduce the generation impulsive noises, by making a fixed terminal plate slightly longer than others, by supporting it by a case and cover with it between, and by using it for a partition.
JP6507877A 1977-06-01 1977-06-01 Ceramic filter Pending JPS53149750A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6507877A JPS53149750A (en) 1977-06-01 1977-06-01 Ceramic filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6507877A JPS53149750A (en) 1977-06-01 1977-06-01 Ceramic filter

Publications (1)

Publication Number Publication Date
JPS53149750A true JPS53149750A (en) 1978-12-27

Family

ID=13276548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6507877A Pending JPS53149750A (en) 1977-06-01 1977-06-01 Ceramic filter

Country Status (1)

Country Link
JP (1) JPS53149750A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5057802A (en) * 1989-02-14 1991-10-15 Ngk Spark Plug Co., Ltd. Ladder-type electric filter apparatus and housing therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5057802A (en) * 1989-02-14 1991-10-15 Ngk Spark Plug Co., Ltd. Ladder-type electric filter apparatus and housing therefor

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