| 摘要 |
PURPOSE:To eliminate a curvature variation of a head caused by an abrasion, and to always make it contact stably to a medium by forming the head so that an abutting area onto a recording medium is decreased gradually in the width direction centering around a gap position. CONSTITUTION:The upper face of a head core 2 is sloped so that its area is decreased gradually as it goes away from a gap 4 position, and also the lower face of a head core 3 is also sloped and finished so that its area is decreased gradually as it goes away from the gap 4 position. Accordingly, a stress distribution 11 in the head width direction of the front of a magnetic head 1 becomes roughly uniform as shown in the figure. Therefore, since the abrasion quantity also becomes uniform, it does not occur that a curvature of the front of the head is varied by an abrasion, and a stable contact of the head and a recording medium can always be maintained. |
