Patent ID: 6162532
Filing Date: 2000-12-19
Classification: B82Y,G11B,H01F,Y10S,Y10T

Abstract:
A magnetic storage medium comprising:a) a substrate having a surface,b) a layer of particles disposed in a substantially uniformly spaced-apart relationship upon said surface, said particles having a substantially uniform diameter not exceeding 50 nanometers, said particles comprising a magnetic material selected from the group consisting of elements Co, Fe, Ni, Mn, Sm, Nd, Pr, Pt, Gd, an intermetallic compound of the aforesaid elements, a binary alloy of said elements, a ternary alloy of said elements, an oxide of Fe further comprising at least one of said elements other than Fe, barium ferrite, and strontium ferrite,c) a coating surrounding said particles and adhering to said surface to maintain said substantially equally spaced-apart relationship, andd) an affinity layer disposed between said layer of particles and in a selected pattern over at least part of said surface of said substrate.