IT1005988B - Dispositivo piezoelettrico - Google Patents

Dispositivo piezoelettrico

Info

Publication number
IT1005988B
IT1005988B IT50457/74A IT5045774A IT1005988B IT 1005988 B IT1005988 B IT 1005988B IT 50457/74 A IT50457/74 A IT 50457/74A IT 5045774 A IT5045774 A IT 5045774A IT 1005988 B IT1005988 B IT 1005988B
Authority
IT
Italy
Prior art keywords
piezoelectric device
piezoelectric
Prior art date
Application number
IT50457/74A
Other languages
English (en)
Original Assignee
Matsushita Electric Ind 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 Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Application granted granted Critical
Publication of IT1005988B publication Critical patent/IT1005988B/it

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
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/177—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator of the energy-trap type
    • 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
    • H03H9/02062—Details relating to the vibration mode
    • H03H9/0207—Details relating to the vibration mode the vibration mode being harmonic
    • 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

  • 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)
  • Compositions Of Oxide Ceramics (AREA)
IT50457/74A 1973-04-19 1974-04-18 Dispositivo piezoelettrico IT1005988B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35264673A 1973-04-19 1973-04-19

Publications (1)

Publication Number Publication Date
IT1005988B true IT1005988B (it) 1976-09-30

Family

ID=23385928

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50457/74A IT1005988B (it) 1973-04-19 1974-04-18 Dispositivo piezoelettrico

Country Status (6)

Country Link
CA (1) CA1001752A (it)
DE (1) DE2416085C3 (it)
FR (1) FR2226782B1 (it)
GB (1) GB1466958A (it)
IT (1) IT1005988B (it)
NL (1) NL7405281A (it)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2249933A (en) * 1938-09-24 1941-07-22 Telefunken Gmbh Piezoelectric plate
US3363119A (en) * 1965-04-19 1968-01-09 Clevite Corp Piezoelectric resonator and method of making same
US3384768A (en) * 1967-09-29 1968-05-21 Clevite Corp Piezoelectric resonator
US3576453A (en) * 1969-05-02 1971-04-27 Bell Telephone Labor Inc Monolithic electric wave filters

Also Published As

Publication number Publication date
FR2226782B1 (it) 1978-06-16
GB1466958A (en) 1977-03-16
DE2416085C3 (de) 1981-11-05
NL7405281A (it) 1974-10-22
CA1001752A (en) 1976-12-14
FR2226782A1 (it) 1974-11-15
DE2416085B2 (de) 1980-10-23
DE2416085A1 (de) 1974-10-31

Similar Documents

Publication Publication Date Title
SE406754B (sv) Arkvendningsanordning
AT353944B (de) Injektionsvorrichtung
SE399743B (sv) Festanordning
TR18458A (tr) Muflar meydana getirmeye mahsus tertibat
SE399476B (sv) Antislirningsanordning
DK138290B (da) Piezoelektrisk straaleboejningsindretning
SE391115B (sv) Festanordning
SE394265B (sv) Tryckanordning
AT351972B (de) Rueckstrahlvorrichtung
BR7404720D0 (pt) Dispositivo embobinador
BR7402411D0 (pt) Dispositivo de desarmar
AT340259B (de) Fixiervorrichtung
AT332343B (de) Trageinrichtung
BE820608A (nl) Aftastinrichting
SE402828B (sv) Tryckanordning
AT338187B (de) Pulverkraftbetriebenes setzgerat
IT1015180B (it) Dispositivo insoncrizzatore
IT1008303B (it) Dispositivo di generazione piezoelettrico
BR7410766D0 (pt) Dispositivo mostrador
AT325069B (de) Reinigungsgerät
ATA812873A (de) Reinigungsgerat
IT1015345B (it) Dispositivo di disegno
IT1005988B (it) Dispositivo piezoelettrico
SE382935B (sv) Positioneringsanordning
SE386551B (sv) Wobblingoscillatoranordning