基本信息:
- 专利标题： セラミック電子部品
- 专利标题（英）：Ceramic electronic components
- 专利标题（中）：陶瓷电子元件
- 申请号：JP2014527028 申请日：2013-07-26
- 公开(公告)号：JPWO2014017635A1 公开(公告)日：2016-07-11
- 发明人： ひとみ 星野 , ひとみ 星野 , 良子 片山 , 良子 片山 , 浅野 敬史 , 敬史 浅野
- 申请人： 株式会社村田製作所
- 申请人地址： 京都府長岡京市東神足1丁目10番1号
- 专利权人： 株式会社村田製作所
- 当前专利权人： 株式会社村田製作所
- 当前专利权人地址： 京都府長岡京市東神足1丁目10番1号
- 代理人： 國弘 安俊
- 优先权： JP2012165809 2012-07-26
- 主分类号： H01L41/08
- IPC分类号： H01L41/08 ; H01L41/047 ; H01L41/333 ; H02N2/00
Electrode 2a is formed on the main surface 3a of the piezoelectric ceramic body 1. The piezoelectric ceramic element 1, the contact surface in contact with the electrode 2a on the main surface 3a is has a recessed portion 20 surrounded by the crystal grains. The average depth T of the recess portion 20 is preferably from 1 to 10 m, occupancy at the contact interface of the recessed portion 20 is preferably 65% or more by area ratio. Ceramic electronic such as a piezoelectric component having thereby possible to prevent the good structural defects adhesion to the piezoelectric ceramic element and the electrode (conductive portion) is generated, and high reliability can be ensured desired good mechanical properties to realize the parts. Further, it can also form a protrusion in place of the recess portion 20 exhibits the same operation and effects.
信息查询:
EspacenetIPC结构图谱:
| H | 电学 |
| --H04 | 电通信技术 |
| ----H04R | 扬声器、送话器、唱机拾音器或类似的传感器 |
| ------H01L41/08 | .压电器件或电致伸缩器件 |