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发明名称
Multi-layer transducers with annular contacts
摘要
Transducer structures having multiple piezoelectric layer and annular contacts are described.
申请公布号
US7538477(B2)
申请公布日期
2009.05.26
申请号
US20070737725
申请日期
2007.04.19
申请人
发明人
分类号
H01L41/08
主分类号
H01L41/08
代理机构
代理人
主权项
地址
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