US Patent 8435782 Cell culture container and method of producing the same

An object of the present invention is to provide a cell culture chamber with which the survival rate of cells to be cultured can be increased, and a method of producing the same. A cell culture chamber according to the present invention includes a mass of projections formed of a plurality of microprojections 1 formed on a surface on which cells are cultured. The width or diameter of each of the microprojections 1 is in a range of 20 nm to 3 μm, and the aspect ratio of each of the microprojections is in a range of 0.2 to 3.0. Thus, there can be provided a cell culture chamber most suitable for the adhesion and differentiation/proliferation of cells to be cultured.