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发明名称
超音波振動子および超音波診断装置
摘要
【課題】作製コストを嵩ませることなく、高感度の振動素子を有する超音波振動子および超音波診断装置を提供する。【解決手段】超音波振動子は、振動板、下部電極、圧電体膜および上部電極がこの順で積層された複数の積層体を有し、複数の積層体は所定数毎に分けられて複数の振動素子を構成し、複数の振動素子のうち少なくとも一つの振動素子それぞれにおいて、いずれかの積層体は、他のいずれかの積層体の下部電極とは異なる材料もしくは材料組成比の下部電極を有する。【選択図】図4
申请公布号
JP2017005661(A)
申请公布日期
2017.01.05
申请号
JP20150121165
申请日期
2015.06.16
申请人
コニカミノルタ株式会社;公立大学法人大阪府立大学
发明人
鈴木 謙次;吉村 武
分类号
H04R17/00;A61B8/14;H01L41/047;H01L41/09;H01L41/113
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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