Patent ID: 8557195
Filing Date: 2013-10-15
Classification: B01J,G01N,Y10T

Abstract:
1. A sensor substrate comprising: a base having an upper surface; and a plurality of fibrous projections provided on the upper surface of the base, wherein: the plurality of fibrous projections have a plurality of fixed ends fixed to the upper surface of the base and a plurality of free ends opposite to the fixed ends, respectively, the plurality of fibrous projections form a fixed end-side region including the plurality of fixed ends of the plurality of fibrous projections and a free end-side region including the plurality of free ends of the plurality of fibrous projections, the plurality of fibrous projections include first fibrous projections and second fibrous projections, an average diameter of the first fibrous projections is greater than an average diameter of the second fibrous projections, wherein an average length of the first fibrous projections is greater than an average length of the second fibrous projections, and a total surface area of the plurality of fibrous projections in the fixed end-side region is larger than that in the free end-side region.