FR680816A - Cristal piézoélectrique perfectionné - Google Patents

Cristal piézoélectrique perfectionné

Info

Publication number
FR680816A
FR680816A FR680816DA FR680816A FR 680816 A FR680816 A FR 680816A FR 680816D A FR680816D A FR 680816DA FR 680816 A FR680816 A FR 680816A
Authority
FR
France
Prior art keywords
piezoelectric crystal
advanced
advanced piezoelectric
crystal
piezoelectric
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.)
Kolster Brandes Ltd
Original Assignee
Kolster Brandes Ltd
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 Kolster Brandes Ltd filed Critical Kolster Brandes Ltd
Application granted granted Critical
Publication of FR680816A publication Critical patent/FR680816A/fr
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)
FR680816D 1929-08-26 1929-08-26 Cristal piézoélectrique perfectionné Expired FR680816A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR680816T 1929-08-26

Publications (1)

Publication Number Publication Date
FR680816A true FR680816A (fr) 1930-05-06

Family

ID=9022486

Family Applications (1)

Application Number Title Priority Date Filing Date
FR680816D Expired FR680816A (fr) 1929-08-26 1929-08-26 Cristal piézoélectrique perfectionné

Country Status (1)

Country Link
FR (1) FR680816A (fr)

Similar Documents

Publication Publication Date Title
FR693126A (fr) Cristaux piezoélectriques
FR609790A (fr) Montre en cristal
FR680816A (fr) Cristal piézoélectrique perfectionné
FR671111A (fr) Chronographe. - compteur simplifié
FR678190A (fr) Photomicrophone électro-optique
FR685400A (fr) Montre-bracelet
FR714393A (fr) Montre-bracelet
FR678309A (fr) Bandage élastique perfectionné
FR686852A (fr) Enduit
FR682962A (fr) Nécessaire périodique
FR684328A (fr) Bandage périodique
FR673805A (fr) Montre-pendule
FR704276A (fr) Montre-briquet
FR686962A (fr) Briquet-montre
FR684944A (fr) Bracelet-montre
FI12383A (fi) Kippvagn med åt sidan stjälpbar lastbrygga
FI12522A (fi) Lyftkran med enkel kranarm
FI12466A (fi) Gummistövlar med träbotten
FI12649A (fi) Ånganläggning med avtappningsturbin
FI12433A (fi) Ångkraftanläggning med mellanöverhettning
FI12407A (fi) Labyrintpackningsbox med utbytbara tätningsringar
FI12311A (fi) Adresseringsmaskin med handbetjäning
FR674232A (fr) Nécessaire
FR669737A (fr) Montre
CA8644S (fr) Falcon cristal