CONTACTLESS PIEZOELECTRIC RESONATOR Russian patent published in 2009 - IPC H03H9/17 H03H9/54 

FIELD: physics, radio.

SUBSTANCE: invention refers to radio electronics, specifically to piezoengineering, and can be used for development and production of piezoelectric resonators. It is obtained owing to supplementary transformer windings of which are flat inductance coils. Primary winding is arranged on internal side of package body with secondary winding arranged its external side coaxially to primary winding and containing leads that are resonator leads. Primary winding leads are electrically connected to leads of the first and second electrodes respectively. Package body accommodates transformer made of dielectric, ceramics, ferrite or other ferromagnetic material. If it is required for higher inductance, compensating static capacitance between electrodes and leads, flat inductance coils on piezoelectrical plate are connected.

EFFECT: lower piezoelectric resonator ageing and higher long-term frequency stability ensured by cancellation of piezoelectric cell leads connected through package body.

2 cl, 6 dwg