JP2924531B

JP2924531B

PURPOSE:To provide a piezoelectric ceramic material prevented from declining in piezoelectric characteristics due to thermal shock and reduced in oscillation frequency deviation, leading to improving the reliability of piezoelectric resonators, comprising basic composition given by general formula a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: HAYANO SHUJI, ARIAKE YUTAKA
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
BASIC ELECTRONIC CIRCUITRY
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
LIME, MAGNESIA
METALLURGY
REFRACTORIES
RESONATORS
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:PURPOSE:To provide a piezoelectric ceramic material prevented from declining in piezoelectric characteristics due to thermal shock and reduced in oscillation frequency deviation, leading to improving the reliability of piezoelectric resonators, comprising basic composition given by general formula and Mn as subcomponent at specified proportion. CONSTITUTION:The objective piezoelectric ceramic material comprising (A) 100mol of basic composition and (B) 2.6-3.8 gram atom of Mn as subcomponent. The basic composition A is given by general formula XPb(Sn0.5Sb0.5)O3- YPbTiO3-(1-X-Y)-PbZrO3 (X+Y