Method of manufacturing thermally-assisted magnetic head

摘要

A method of manufacturing a thermally-assisted magnetic head includes aligning the light source unit to the thermally-assisted magnetic head section on the slider body; and performing a bonding between the unit substrate and the slider body with a bonding layer in between. And process of the bonding includes irradiating the bonding layer with a first laser shot, pausing for a time interval after the first laser shot, and then irradiating a second laser shot, wherein a first irradiating power of the first laser shot is weaker than a second irradiating power of the second laser shot, and a first irradiating time of the first laser shot is shorter than a second irradiating time of the second laser shot. The method can keep an accurate alignment of the unit substrate with respect to the slider after a bonding process and, in turns improve performance of the thermally-assisted magnetic head.

主权项

1. A method of manufacturing a thermally-assisted magnetic head, the method comprising:
providing a slider body and a light source unit, the slider body including a thermally-assisted magnetic head section, and the light source unit including a unit substrate and a light source mounted on the unit substrate; aligning the light source unit to the thermally-assisted magnetic head section on the slider body; and performing a bonding between the unit substrate and the slider body with a bonding layer in between; wherein process of the bonding comprises irradiating the bonding layer with a first laser shot, pausing for a time interval after the first laser shot, and then irradiating a second laser shot, wherein a first irradiating power of the first laser shot is weaker than a second irradiating power of the second laser shot, and a first irradiating time of the first laser shot is shorter than a second irradiating time of the second laser shot.