Water-cooled screen for improving pulling rate of silicon crystal and mould for preparing the same

Abstract

The present disclosure provides a water-cooled screen for improving a pulling rate of a silicon crystal, the water-cooled screen being a hollow cylinder including an inner wall surface and an outer wall surface, where at least a portion of the inner wall surface is a curved surface having a plurality of convex or concave points. The present disclosure further provides a mould for preparing the water-cooled screen.

Dependencies are inferred from the claim text.