PIEZOELEKTRISCHES KRISTALLELEMENT AUF DER BASIS VON GAPO4

PIEZOELEKTRISCHES KRISTALLELEMENT AUF DER BASIS VON GAPO4

To improve the temperature stability of piezoelectric and elastic properties of piezoelectric crystal elements based on GaPO4, preferably for resonator applications, and also to facilitate the alignment during the cutting of crystal elements from the raw crystal ingots, it is proposed that the main...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: STADLER JOSEF MICHAEL, ENGEL GUENTER. DR, KREMPL PETER W. DR
Format: Patent
Sprache:ger
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
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Beschreibung
Zusammenfassung:To improve the temperature stability of piezoelectric and elastic properties of piezoelectric crystal elements based on GaPO4, preferably for resonator applications, and also to facilitate the alignment during the cutting of crystal elements from the raw crystal ingots, it is proposed that the main plane (H) of the crystal element (6) extends parallel to a cutting plane (E) originating from a hexagonal prism face (3), situated parallel to the optical axis (c), of a raw crystal ingot (1) as a result of rotation around one of the two-fold crystallographic symmetry axes (a1, a2, or a3) through an angle theta of between -5 DEG and -22 DEG .