DE3148389A1 - Piezoelektrisches filter - Google Patents

Piezoelektrisches filter

Info

Publication number
DE3148389A1
DE3148389A1 DE19813148389 DE3148389A DE3148389A1 DE 3148389 A1 DE3148389 A1 DE 3148389A1 DE 19813148389 DE19813148389 DE 19813148389 DE 3148389 A DE3148389 A DE 3148389A DE 3148389 A1 DE3148389 A1 DE 3148389A1
Authority
DE
Germany
Prior art keywords
piezoelectric
base part
recess
projections
resonator
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.)
Withdrawn
Application number
DE19813148389
Other languages
German (de)
English (en)
Inventor
Masamitsu Iruma Hirayama
Mamoru Kawagoe Katayanagi
Michikawa Sakado Oshikawa
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.)
Toko Inc
Original Assignee
Toko 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 Toko Inc filed Critical Toko Inc
Publication of DE3148389A1 publication Critical patent/DE3148389A1/de
Withdrawn legal-status Critical Current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
    • 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
    • H03H9/02—Details
    • H03H9/05—Holders or supports
    • H03H9/0504—Holders or supports for bulk acoustic wave devices

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
DE19813148389 1980-12-10 1981-12-07 Piezoelektrisches filter Withdrawn DE3148389A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55173964A JPS5797717A (en) 1980-12-10 1980-12-10 Piezoelectric filter and its production

Publications (1)

Publication Number Publication Date
DE3148389A1 true DE3148389A1 (de) 1982-06-24

Family

ID=15970296

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813148389 Withdrawn DE3148389A1 (de) 1980-12-10 1981-12-07 Piezoelektrisches filter

Country Status (4)

Country Link
JP (1) JPS5797717A (enrdf_load_stackoverflow)
KR (1) KR860001042B1 (enrdf_load_stackoverflow)
DE (1) DE3148389A1 (enrdf_load_stackoverflow)
GB (1) GB2091939B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6700302B1 (en) 1999-07-23 2004-03-02 Murata Manufacturing Co., Ltd. Piezoelectric resonator

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484158A (en) * 1982-07-07 1984-11-20 General Electric Company Monolithic crystal filter and method of manufacturing same
JPS59189713A (ja) * 1983-04-11 1984-10-27 Toko Inc 発振子およびその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6700302B1 (en) 1999-07-23 2004-03-02 Murata Manufacturing Co., Ltd. Piezoelectric resonator

Also Published As

Publication number Publication date
JPS5797717A (en) 1982-06-17
GB2091939A (en) 1982-08-04
KR860001042B1 (ko) 1986-07-28
JPS6328364B2 (enrdf_load_stackoverflow) 1988-06-08
GB2091939B (en) 1984-06-27
KR830008555A (ko) 1983-12-10

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee