CH202081A - Piezoelektrisches Element. - Google Patents

Piezoelektrisches Element.

Info

Publication number
CH202081A
CH202081A CH202081DA CH202081A CH 202081 A CH202081 A CH 202081A CH 202081D A CH202081D A CH 202081DA CH 202081 A CH202081 A CH 202081A
Authority
CH
Switzerland
Prior art keywords
piezoelectric element
piezoelectric
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Bell Telephone Manufac Anonyme
Original Assignee
Bell Telephone Mfg
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 Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of CH202081A publication Critical patent/CH202081A/de

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
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
    • H03H9/02023—Characteristics of piezoelectric layers, e.g. cutting angles consisting of quartz
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/0023—Balance-unbalance or balance-balance networks
    • H03H9/0095—Balance-unbalance or balance-balance networks using bulk acoustic wave devices
    • 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
    • H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness
    • 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
    • H03H9/21—Crystal tuning forks
    • H03H9/215—Crystal tuning forks consisting of quartz
    • 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
    • H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CH202081D 1936-02-21 1937-02-18 Piezoelektrisches Element. CH202081A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65022A US2185599A (en) 1936-02-21 1936-02-21 Piezoelectric apparatus

Publications (1)

Publication Number Publication Date
CH202081A true CH202081A (de) 1938-12-31

Family

ID=22059823

Family Applications (1)

Application Number Title Priority Date Filing Date
CH202081D CH202081A (de) 1936-02-21 1937-02-18 Piezoelektrisches Element.

Country Status (6)

Country Link
US (1) US2185599A (ja)
BE (1) BE420034A (ja)
CH (1) CH202081A (ja)
FR (1) FR820481A (ja)
GB (1) GB479979A (ja)
NL (1) NL62574C (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE759014C (de) * 1939-08-30 1953-03-23 Siemens & Halske A G Piezoelektrischer UEbertragerkristall
DE763329C (de) * 1941-04-29 1954-10-18 Siemens & Halske A G Biegungsschwingungen ausfuehrender Quarzkristall

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767884C (de) * 1941-04-03 1954-05-31 Telefunken Gmbh Filter, Phasendrehglied od. dgl. der elektrischen Nachrichtentechnik
US2666196A (en) * 1949-06-07 1954-01-12 Bell Telephone Labor Inc Frequency station calling system using bifurcated piezoelectric elements
US2988728A (en) * 1953-07-06 1961-06-13 United Geophysical Corp Piezoelectric hydrophone
US2990525A (en) * 1957-12-12 1961-06-27 Bell Telephone Labor Inc Wave filter
US3582836A (en) * 1969-07-01 1971-06-01 Damon Eng Inc Monolithic crystal filters
JPS5851687B2 (ja) * 1976-10-22 1983-11-17 セイコーインスツルメンツ株式会社 音叉型水晶振動子
JPS55112017A (en) * 1979-02-20 1980-08-29 Seiko Epson Corp Electrode of tuning fork type crystal oscillator
DE3379623D1 (en) * 1982-06-04 1989-05-18 Statek Corp Extensional mode piezoelectric microresonator
JP3858639B2 (ja) * 2000-08-31 2006-12-20 株式会社村田製作所 圧電共振子および電子機器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE759014C (de) * 1939-08-30 1953-03-23 Siemens & Halske A G Piezoelektrischer UEbertragerkristall
DE763329C (de) * 1941-04-29 1954-10-18 Siemens & Halske A G Biegungsschwingungen ausfuehrender Quarzkristall

Also Published As

Publication number Publication date
NL62574C (ja)
BE420034A (ja)
GB479979A (en) 1938-02-15
FR820481A (fr) 1937-11-12
US2185599A (en) 1940-01-02

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