发明申请
- 专利标题: METHOD AND STRUCTURE FOR FORMING A GYROSCOPE AND ACCELEROMETER
- 专利标题(中): 形成陀螺仪和加速度计的方法和结构
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申请号: US13480351申请日: 2012-05-24
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公开(公告)号: US20120228727A1公开(公告)日: 2012-09-13
- 发明人: Dongmin Chen , Justin Payne , Li-Tien Tseng
- 申请人: Dongmin Chen , Justin Payne , Li-Tien Tseng
- 申请人地址: US CA Santa Clara
- 专利权人: Miradia Inc.
- 当前专利权人: Miradia Inc.
- 当前专利权人地址: US CA Santa Clara
- 主分类号: H01L29/84
- IPC分类号: H01L29/84 ; H01L21/02
摘要:
A method for fabricating a micro electromechanical device includes providing a first substrate including control circuitry. The first substrate has a top surface and a bottom surface. The method also includes forming an insulating layer on the top surface of the first substrate, removing a first portion of the insulating layer so as to form a plurality of standoff structures, and bonding a second substrate to the first substrate. The method further includes thinning the second substrate to a predetermined thickness and forming a plurality of trenches in the second substrate. Each of the plurality of trenches extends to the top surface of the first substrate. Moreover, the method includes filling at least a portion of each of the plurality of trenches with a conductive material, forming the micro electromechanical device in the second substrate, and bonding a third substrate to the second substrate.
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