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