Patent ID: 8337554
Filing Date: 2012-12-25
Classification: G01N

Abstract:
1. A skin substitute membrane, comprising: a surface on one side including a plurality of groove-shaped depressed portions and a plurality of planar portions, each of the planar portions being surrounded by the plurality of groove-shaped depressed portions, each of the depressed portions having a cross section having a chamfered V-letter shape, the surface having an arithmetic mean roughness Sa of more than or equal to 10 μm to less than or equal to 50 μm, wherein each of the depressed portions has a width of more than or equal to 50 μm to less than or equal to 500 μm and a depth of more than or equal to 30 μm to less than or equal to 150 μm, the skin substitute membrane has a thickness of 0.2 mm to 5 mm, and a spectral transmittance for light of more than or equal to 290 nm to less than or equal to 400 nm in wavelength is more than or equal to 50% and less than or equal to 100%, and each of the planar portions is provided with chamfered roughness, and has an arithmetic mean roughness Sa of more than or equal to 0.1 μm to less than or equal to 30 μm.