发明公开
EP0358390A2 Piezoelectric transducer 失效
Piezoelektrischer Wandler。

Piezoelectric transducer
摘要:
A piezoelectric transducer includes an elongated, spiral or meandering piezoelectric element (2) in the form of a coaxial cable, and an electrically insulating layer (6) surrounding the piezoelectric element (2). The element (2) has a core electrode (3), a piezoelectric layer (4) surrounding the core electrode (3), and an outer electrode layer (5) surrounding the piezoelectric layer (4).
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