发明名称 |
MEMS device and method of forming the same |
摘要 |
A method for forming a MEMS device is provided. The method includes the following operations of providing a substrate having a first portion and a second portion; fabricating a membrane type sensor on the first portion of the substrate using a double-side process; and fabricating a bulk silicon sensor on the second portion of the substrate. |
申请公布号 |
US8900905(B1) |
申请公布日期 |
2014.12.02 |
申请号 |
US201313957491 |
申请日期 |
2013.08.02 |
申请人 |
Taiwan Semiconductor Manufacturing Company Limited |
发明人 |
Liu Yu-Chia;Chu Chia-Hua;Peng Jung-Huei;Chang Kuei-Sung;Cheng Chun-Wen |
分类号 |
H01L21/00;H01L29/84 |
主分类号 |
H01L21/00 |
代理机构 |
Jones Day |
代理人 |
Jones Day |
主权项 |
1. A microelectromechanical system (MEMS) device, comprising:
a substrate having a first portion and a second portion; a membrane type sensor disposed on the first portion of the substrate and formed by a double-side process; and a bulk silicon sensor disposed on the second portion of the substrate, wherein the membrane type sensor further comprises: a silicon layer; a reference element configured as an electrode of the membrane type sensor; and a substantially sealed cavity disposed between the silicon layer and the reference element. |
地址 |
Hsinchu TW |