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公开(公告)号:US20020045287A1
公开(公告)日:2002-04-18
申请号:US09881744
申请日:2001-06-18
Applicant: RANDOX LABORATORIES LIMITED
Inventor: Harold S. Gamble , S.J. Neil Mitchell , Andrzej Prochaska , Stephen Peter Fitzgerald
IPC: H01L021/00
CPC classification number: B81C1/00158 , B41J2/16 , B41J2/1623 , B41J2/1628 , B41J2/1632 , B41J2/1639 , B81B2203/0315 , B81C2201/0115 , B81C2201/0146
Abstract: A method of manufacturing a diaphragm utilizing a precision grinding technique after etching a cavity in a wafer. A technique for preventing distortion of the diaphragm based on use of a sacrificial layer of porous silicon is disclosed.
Abstract translation: 在蚀刻晶片中的空腔之后利用精密研磨技术制造隔膜的方法。 公开了一种基于使用多孔硅牺牲层防止隔膜变形的技术。