Magnetic tape, magnetic tape cartridge, servo pattern recording device, magnetic tape drive, magnetic tape system, detection device, inspection device, servo pattern recording method, manufacturing method of magnetic tape, detection method, and inspection method

A servo pattern recording device comprising:

• a pulse signal generator;
• and
• a servo pattern recording head,
• wherein the pulse signal generator generates a pulse signal,
• the servo pattern recording head has a substrate and a plurality of gap patterns formed on a front surface of the substrate, and records a plurality of servo patterns in a width direction of a magnetic tape by applying a magnetic field to the magnetic tape from the plurality of gap patterns in response to the pulse signal,
• the plurality of gap patterns are formed on the front surface along a direction corresponding to the width direction,
• the gap pattern is at least one straight line region pair,
• a first straight line region, which is one straight line region of the straight line region pair, and a second straight line region, which is the other straight line region of the straight line region pair, are inclined in opposite directions with respect to a second imaginary straight line along the direction corresponding to the width direction on the front surface, and
• the first straight line region has a steeper inclined angle with respect to the second imaginary straight line than the second straight line region.

A servo pattern recording method comprising:

• generating a pulse signal;
• and
• using a servo pattern recording head having a substrate and a plurality of gap patterns formed on a front surface of the substrate, to record a plurality of servo patterns in a width direction of a magnetic tape by applying a magnetic field to the magnetic tape from the plurality of gap patterns in response to the pulse signal,
• wherein the plurality of gap patterns are formed on the front surface along a direction corresponding to the width direction,
• the gap pattern is at least one straight line region pair,
• a first straight line region, which is one straight line region of the straight line region pair, and a second straight line region, which is the other straight line region of the straight line region pair, are inclined in opposite directions with respect to a second imaginary straight line along the direction corresponding to the width direction on the front surface, and
• the first straight line region has a steeper inclined angle with respect to the second imaginary straight line than the second straight line region.