Patent ID: 7136254
Filing Date: 2006-11-14
Classification: G11B

Abstract:
1. A servo write head assembly comprising: a DC demagnetizing head that slides in contact with a magnetic tape that is running, and magnetizes at least a servo band of the magnetic tape in one direction of longitudinal directions thereof; a servo write head that is provided at a downstream side of a magnetic tape travel direction of said DC demagnetizing head, slides in contact with said magnetic tape that is running, magnetizes said servo band in a reverse direction, and writes a servo signal; a guide for regulating a movement in lateral directions of said magnetic tape that is running; and a disc spring for pushing said guide in lateral directions of said magnetic tape, wherein said DC demagnetizing head and said servo write head are integrally configured, and said guide is provided between said DC demagnetizing head and said servo write head, and one end of the disc spring is attached to said guide, and the other end of said disc spring is attached to a support member for connecting said DC demagnetizing head and said servo write head so as to be integrally configured.