FR785235A - Improvements to piezoelectric devices - Google Patents

Improvements to piezoelectric devices

Info

Publication number
FR785235A
FR785235A FR785235DA FR785235A FR 785235 A FR785235 A FR 785235A FR 785235D A FR785235D A FR 785235DA FR 785235 A FR785235 A FR 785235A
Authority
FR
France
Prior art keywords
piezoelectric devices
piezoelectric
devices
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
Other languages
French (fr)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR785235A publication Critical patent/FR785235A/en
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 devices; 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)
FR785235D 1933-12-14 1934-12-12 Improvements to piezoelectric devices Expired FR785235A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US785235XA 1933-12-14 1933-12-14

Publications (1)

Publication Number Publication Date
FR785235A true FR785235A (en) 1935-08-05

Family

ID=22144566

Family Applications (1)

Application Number Title Priority Date Filing Date
FR785235D Expired FR785235A (en) 1933-12-14 1934-12-12 Improvements to piezoelectric devices

Country Status (1)

Country Link
FR (1) FR785235A (en)

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