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公开(公告)号:EP0358390B1
公开(公告)日:1993-10-20
申请号:EP89308665.2
申请日:1989-08-25
发明人: Ogura, Kohji
CPC分类号: G01V1/208 , H01L41/087
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公开(公告)号:EP0358390A2
公开(公告)日:1990-03-14
申请号:EP89308665.2
申请日:1989-08-25
发明人: Ogura, Kohji
CPC分类号: G01V1/208 , H01L41/087
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).
摘要翻译: 压电换能器包括呈同轴电缆形式的细长螺旋或曲折的压电元件(2)和围绕压电元件(2)的电绝缘层(6)。 元件(2)具有芯电极(3),围绕芯电极(3)的压电层(4)和围绕压电层(4)的外电极层(5)。
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公开(公告)号:EP0358390A3
公开(公告)日:1991-05-22
申请号:EP89308665.2
申请日:1989-08-25
发明人: Ogura, Kohji
CPC分类号: G01V1/208 , H01L41/087
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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