Measurement of surface properties

Details Measurement of surface properties Measurement of surface properties

G - Physics

01

N

73/89

G01N 3/10 (2006.01) A61B 5/103 (2006.01) G01N 3/42 (2006.01) G01N 3/00 (2006.01)

Patent

CA 1138225

Abstract The invention relates to a novel device for measuring in a quantitative manner surface properties, especially of tissues such as human skin, comprising a probe to be placed on said surface, means for applying a predetermined weight to said surface via said probe, means for removing the weight and means for measuring the change of height against time of the surface when the weight is removed. The probe may also be applied by suction and a force may be applied to it, tending to lift it from said surface, determining the change of height of the surface when said force is applied. The invention further relates to a method for determining surface properties, and especially elasticity, compressibility, viscosity, humidity and stretchability of human skin and for determining the effects of various cosmetic preparations on human skin.

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