CH236116A - Elément piézoélectrique. - Google Patents

Elément piézoélectrique.

Info

Publication number
CH236116A
CH236116A CH236116DA CH236116A CH 236116 A CH236116 A CH 236116A CH 236116D A CH236116D A CH 236116DA CH 236116 A CH236116 A CH 236116A
Authority
CH
Switzerland
Prior art keywords
piezoelectric element
piezoelectric
Prior art date
Application number
Other languages
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 CH236116A publication Critical patent/CH236116A/fr

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
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
CH236116D 1938-10-19 1939-11-01 Elément piézoélectrique. CH236116A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US235745A US2178146A (en) 1938-10-19 1938-10-19 Piezoelectric element

Publications (1)

Publication Number Publication Date
CH236116A true CH236116A (fr) 1945-01-15

Family

ID=22886746

Family Applications (1)

Application Number Title Priority Date Filing Date
CH236116D CH236116A (fr) 1938-10-19 1939-11-01 Elément piézoélectrique.

Country Status (4)

Country Link
US (1) US2178146A (fr)
CH (1) CH236116A (fr)
FR (1) FR860997A (fr)
GB (1) GB532925A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2450010A (en) * 1943-08-09 1948-09-28 Bell Telephone Labor Inc Piezoelectric crystal apparatus

Also Published As

Publication number Publication date
US2178146A (en) 1939-10-31
FR860997A (fr) 1941-01-29
GB532925A (en) 1941-02-03

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