Patent ID: 6278167
Filing Date: 2001-08-21
Classification: G01L,H01L

Abstract:
A semiconductor sensor, comprising:a base element;a deformation element made from a semiconductor substrate that is doped with a dopant of a first conductivity type, said deformation element including at least one part for contacting a medium, said part having a concentration of the dopant of the first conductivity type, said deformation element disposed on said base element; andat least one piezoresistor doped with a dopant of a second conductivity type that is opposite that of the first conductivity type, said piezoresistor located in said deformation element;said deformation element including a region having a concentration of a dopant and located between said part and said piezoresistor, said part having a concentration of a dopant that is lower than the concentration of the dopant of said region.