ES177115A1 - Perfeccionamientos en los paratos piezoeléctricos con elemento de cristal - Google Patents

Perfeccionamientos en los paratos piezoeléctricos con elemento de cristal

Info

Publication number
ES177115A1
ES177115A1 ES0177115A ES177115A ES177115A1 ES 177115 A1 ES177115 A1 ES 177115A1 ES 0177115 A ES0177115 A ES 0177115A ES 177115 A ES177115 A ES 177115A ES 177115 A1 ES177115 A1 ES 177115A1
Authority
ES
Spain
Prior art keywords
glass element
axis
piezoelectric parts
larger faces
angle
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
ES0177115A
Other languages
English (en)
Spanish (es)
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of ES177115A1 publication Critical patent/ES177115A1/es
Expired 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
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
    • 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
    • H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Developing Agents For Electrophotography (AREA)
ES0177115A 1946-03-28 1947-02-20 Perfeccionamientos en los paratos piezoeléctricos con elemento de cristal Expired ES177115A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US657886A US2458615A (en) 1946-03-28 1946-03-28 Piezoelectric crystal apparatus

Publications (1)

Publication Number Publication Date
ES177115A1 true ES177115A1 (es) 1947-04-16

Family

ID=24639061

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0177115A Expired ES177115A1 (es) 1946-03-28 1947-02-20 Perfeccionamientos en los paratos piezoeléctricos con elemento de cristal

Country Status (7)

Country Link
US (1) US2458615A (en, 2012)
BE (1) BE470165A (en, 2012)
CH (1) CH263126A (en, 2012)
DE (1) DE832164C (en, 2012)
ES (1) ES177115A1 (en, 2012)
FR (1) FR938538A (en, 2012)
GB (1) GB631345A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925502A (en) * 1956-12-21 1960-02-16 Philips Corp Piezo-electric quartz crystal of elongated shape

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2309467A (en) * 1941-07-25 1943-01-26 Bell Telephone Labor Inc Rochelle salt piezoelectric crystal apparatus

Also Published As

Publication number Publication date
CH263126A (fr) 1949-08-15
BE470165A (en, 2012)
US2458615A (en) 1949-01-11
DE832164C (de) 1952-02-21
FR938538A (fr) 1948-10-18
GB631345A (en) 1949-11-01

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