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Title:
SURFACE STRESS SENSOR
Document Type and Number:
WIPO Patent Application WO/2011/148774
Kind Code:
A1
Abstract:
A surface stress sensor is configured so that the deflection of the free end of one plate-like member, which is caused by uniform stress, is transmitted to the other plate-like member by moving the free end of the other plate-like member. Uniform stress applied to said plate-like member is converted into stress induced by a point force in the other plate-like member, and then the induced stress concentrates on an affixed end-side narrow portion to which piezoresistance is provided. Thus, a novel structure for a piezoresistance surface stress sensor is provided, the surface stress sensor being highly sensitive to uniform stress applied to the sensor surface.

Inventors:
YOSHIKAWA GENKI (JP)
ROHRER HEINRICH (JP)
AKIYAMA TERUNOBU (CH)
PETER VETTIGER (CH)
Application Number:
PCT/JP2011/060673
Publication Date:
December 01, 2011
Filing Date:
May 09, 2011
Export Citation:
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Assignee:
NAT INST FOR MATERIALS SCIENCE (JP)
YOSHIKAWA GENKI (JP)
ROHRER HEINRICH (JP)
AKIYAMA TERUNOBU (CH)
PETER VETTIGER (CH)
International Classes:
H01L29/84; G01L1/18
Foreign References:
JPS5965232A1984-04-13
JPS49132989A1974-12-20
JPS6312930A1988-01-20
JPH06230023A1994-08-19
JPS5623316B21981-05-30
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See also references of EP 2579010A4
Attorney, Agent or Firm:
NISHIZAWA TOSHIO (JP)
Toshio Nishizawa (JP)
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