Patent ID: 6175473
Filing Date: 2001-01-16
Classification: G11B

Abstract:
A magnetic head comprising:a slider;a rail extending in a scanning direction of a recording medium, formed in said slider;a core assembly formed by joining core half-portions which are the same width as that of said rail across a magnetic gap therebetween;an additional rail formed in said slider in parallel with said rail;an additional core assembly having a magnetic gap with a larger track width than a track width of said core assembly; anda coil which is placed on one of said core half-portions,wherein said core assembly is placed into said rail in a continuous position of said rail, a surface of said rail and surfaces of said core half-portions are continuous and have the same width, a track-width of the magnetic gap of said core assembly is smaller than the width of said rail, and at least a portion of the additional rail is formed by the additional core assembly.