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公开(公告)号:EP0997721B1
公开(公告)日:2013-04-10
申请号:EP98954712.0
申请日:1998-11-17
申请人: ESASHI, Masayoshi
IPC分类号: G01L9/00
CPC分类号: G01L9/0077
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公开(公告)号:EP0997721A1
公开(公告)日:2000-05-03
申请号:EP98954712.0
申请日:1998-11-17
申请人: ESASHI, Masayoshi
IPC分类号: G01L9/00
CPC分类号: G01L9/0077
摘要: A reflective type movable diaphragm unit 2 is formed on a groove 26-carrying silicon substrate 3, and a bonding agent layer serving also as a spacer 24 is provided around the diaphragm unit, this spacer 24 being bonded to a half mirror layer 11 of an optical fiber 1 with a cross-sectionally semicircular diaphragm portion 25 further provided on the diaphragm unit 2, whereby a pressure sensor is formed.
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