发明名称 |
An overpressure-protected, polysilicon, capacitive differential pressure sensor and method of making the same. |
摘要 |
<p>A capacitive differential pressure sensing device with pressure overrange protection and a method of making the same are described. The device employs a doped polysilicon diaphragm (18) overlying a cavity (16) in a doped single crystal silicon wafer (10) having a port (20) extending into the cavity (16) from the opposite side. The cavity floor (22) serves as an overrange protector. <IMAGE></p> |
申请公布号 |
EP0569899(A1) |
申请公布日期 |
1993.11.18 |
申请号 |
EP19930107531 |
申请日期 |
1993.05.09 |
申请人 |
THE FOXBORO COMPANY |
发明人 |
FUNG, CLIFFORD D.;CHAU, KEVIN H.-L. |
分类号 |
G01L13/06;G01L9/00;G01L19/06;H01L29/84;(IPC1-7):G01L9/12 |
主分类号 |
G01L13/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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