Patent ID: 7535665

Claim:
A servo writer for writing a servo signal in a running tape memory medium, comprising: a head which is arranged in a vicinity of a running path of the running tape memory medium; and a pair of guides which are disposed adjacent to the head in an upstream and downstream of the head in a tape running direction, wherein at least one of the head and pair of guides has a flange with which one edge the tape memory medium set in the running path runs is in contact, while the tape memory medium is running between the pair of guides, wherein the head has a sliding surface which slides in contact with a recording surface of the running tape memory medium, wherein the sliding surface is set with a rigidly fixed inclination against a tape width direction of the tape memory medium, the angle of inclination being non-moving, and having a value other than zero degrees, and the tape memory medium, which is running, is guided by the flange by having the one edge of the tape memory medium constantly maintain in sliding contact with the flange.