JPH0261179B2 - - Google Patents

Info

Publication number
JPH0261179B2
JPH0261179B2 JP20782284A JP20782284A JPH0261179B2 JP H0261179 B2 JPH0261179 B2 JP H0261179B2 JP 20782284 A JP20782284 A JP 20782284A JP 20782284 A JP20782284 A JP 20782284A JP H0261179 B2 JPH0261179 B2 JP H0261179B2
Authority
JP
Japan
Prior art keywords
terminal
box body
exposed
electrode
recess
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
JP20782284A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6184912A (ja
Inventor
Masamitsu Hirayama
Mamoru Katayanagi
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.)
EASTERN STEEL
Original Assignee
EASTERN STEEL
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 EASTERN STEEL filed Critical EASTERN STEEL
Priority to JP20782284A priority Critical patent/JPS6184912A/ja
Publication of JPS6184912A publication Critical patent/JPS6184912A/ja
Publication of JPH0261179B2 publication Critical patent/JPH0261179B2/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 elements; 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 elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders or 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
    • 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
    • H03H9/58—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)
JP20782284A 1984-10-03 1984-10-03 圧電濾波器 Granted JPS6184912A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20782284A JPS6184912A (ja) 1984-10-03 1984-10-03 圧電濾波器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20782284A JPS6184912A (ja) 1984-10-03 1984-10-03 圧電濾波器

Publications (2)

Publication Number Publication Date
JPS6184912A JPS6184912A (ja) 1986-04-30
JPH0261179B2 true JPH0261179B2 (en]) 1990-12-19

Family

ID=16546079

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20782284A Granted JPS6184912A (ja) 1984-10-03 1984-10-03 圧電濾波器

Country Status (1)

Country Link
JP (1) JPS6184912A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0531347U (ja) * 1991-09-27 1993-04-23 東光株式会社 セラミツクフイルタ
DE69630827T2 (de) * 1995-01-19 2004-05-19 Matsushita Electric Industrial Co., Ltd., Kadoma Piezoelektrisches Filter, sein Herstellungsverfahren und Zwischenfrequenzfilter

Also Published As

Publication number Publication date
JPS6184912A (ja) 1986-04-30

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees