FR44833E - Perfectionnement aux cristaux piézoélectriques - Google Patents

Perfectionnement aux cristaux piézoélectriques

Info

Publication number
FR44833E
FR44833E FR44833DA FR44833E FR 44833 E FR44833 E FR 44833E FR 44833D A FR44833D A FR 44833DA FR 44833 E FR44833 E FR 44833E
Authority
FR
France
Prior art keywords
piezoelectric crystal
crystal refinement
refinement
piezoelectric
crystal
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
English (en)
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.)
Optique et Precision de Levallois SA
Original Assignee
Optique et Precision de Levallois SA
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 Optique et Precision de Levallois SA filed Critical Optique et Precision de Levallois SA
Application granted granted Critical
Publication of FR44833E publication Critical patent/FR44833E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR44833D 1934-01-08 1934-01-08 Perfectionnement aux cristaux piézoélectriques Expired FR44833E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR44833T 1934-01-08

Publications (1)

Publication Number Publication Date
FR44833E true FR44833E (fr) 1935-04-15

Family

ID=8680627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR44833D Expired FR44833E (fr) 1934-01-08 1934-01-08 Perfectionnement aux cristaux piézoélectriques

Country Status (1)

Country Link
FR (1) FR44833E (fr)

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