Patent ID: 6248696
Filing Date: 2001-06-19
Classification: C04B,H01L

Abstract:
A process for dry spinning filaments which contain potentially superconducting material, the process comprising:preparing a suspension of potentially superconducting powder, particles of which have a length to diameter ratio above 1, in a thickened solvent;preparing a solution of fiber-forming polymer;supplying the suspension and the solution to a spinning apparatus;in the spinning apparatus, arranging the solution and the suspension in a bicomponent arrangement;extruding the arranged solution and suspension from a spinneret as bicomponent filaments;in the spinning apparatus and prior to said extruding, forcing the suspension through a hyperbolic spinning capillary thereby mechanically aligning particles of the potentially superconducting powder along an axis of electrical conduction; andremoving the solvent from the bicomponent filaments.