Multitrack Submicron-Trackwidth Single-Pole Head

Abstract

A novel single-pole-type head with two head units each containing a submicron trackwidth pole is presented. The new head consists of three layers of thin-film conductors sandwiching the two main poles. The recording performance of the head is described. There is no noticeable interference between the two head units when they are separated by about 1μm, and they can work independently. The recorded trackwidth is confirmed to be about 0.5 μm by magnetic force microscopy. The linear densities written up to 150 kFRPI are visualized as MFM images.