Patent ID: 6628604
Filing Date: 2003-09-30
Classification: G11B

Abstract:
A magnetic head for use in a magneto-optical device, wherein said magnetic head includes an at least substantially flat magnetic coil having a central opening, wherein said coil has coil layers which extend at least substantially parallel to each other, each of the coil layers having at least one electrically conductive turn which extends around the central opening, wherein at least one of the coil layers has turns, of which the turns situated nearer the central opening have smaller widths than the turns situated farther away from the central opening, and wherein a first coil layer of said coil layers has an outermost turn situated nearer the central opening than the outermost turn of one of the other coil layers, such that an overall diameter of said first coil layer is substantially smaller than an overall diameter of said other coil layers.