BE471380A - - Google Patents

Info

Publication number
BE471380A
BE471380A BE471380DA BE471380A BE 471380 A BE471380 A BE 471380A BE 471380D A BE471380D A BE 471380DA BE 471380 A BE471380 A BE 471380A
Authority
BE
Belgium
Application number
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.)
Publication of BE471380A publication Critical patent/BE471380A/xx

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02Details
    • H03H9/02007Details of bulk acoustic wave devices
    • H03H9/02015Characteristics of piezoelectric layers, e.g. cutting angles
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02Details
    • H03H9/02007Details of bulk acoustic wave devices
    • H03H9/02157Dimensional 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)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
BE471380D 1946-04-04 BE471380A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US659469A US2450434A (en) 1946-04-04 1946-04-04 Piezoelectric crystal apparatus

Publications (1)

Publication Number Publication Date
BE471380A true BE471380A (en:Method)

Family

ID=24645532

Family Applications (1)

Application Number Title Priority Date Filing Date
BE471380D BE471380A (en:Method) 1946-04-04

Country Status (4)

Country Link
US (1) US2450434A (en:Method)
BE (1) BE471380A (en:Method)
FR (1) FR940483A (en:Method)
GB (1) GB632515A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3199991A (en) * 1961-12-04 1965-08-10 California Ink Company Inc Black news ink and process for its manufacture

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2170318A (en) * 1937-04-27 1939-08-22 Cady Walter Guyton Piezoelectric crystal device

Also Published As

Publication number Publication date
US2450434A (en) 1948-10-05
GB632515A (en) 1949-11-28
FR940483A (fr) 1948-12-14

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