Thermally assisted magnetic head, head gimbal assembly, hard disk drive and method of manufacturing the thermally assisted magnetic head
A technology for auxiliary magnetic heads and mounting parts, which is applied in the installation/connection of transducer heads relative to arm parts, magnetic recording heads, and magnetic heads using thin films, etc. big problem
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Embodiment 1
[0181] Next, refer to Figure 22 , Figure 23 A slider 129 according to a modified embodiment is explained. Compared with slider 120 , slider 129 differs in that it has light source cavity 167 instead of light source cavity 161 .
[0182] Such as Figure 22 , Figure 23 As shown, compared with the light source cavity 161, the light source cavity 167 differs in that it has a peripheral recess 162a. A peripheral depressed portion 162 a is formed on the outermost side of the flat bottom 163 . The peripheral depression 162 a has a deeper depth than the deep bottom 164 .
[0183] Such as Figure 5 As shown, in the light source cavity 161 , only the flat bottom 163 , which is formed shallower than the deep bottom 164 , is arranged outside the deep bottom 164 . In contrast, in light source cavity 167 , not only flat bottom 163 but also a deep portion (peripheral recess 162 a ) deeper than deep bottom 164 is arranged outside deep bottom 164 .
[0184] Then, when the sub-mount ...
Embodiment 2
[0187] Next, refer to Figure 25 , Figure 26 A thermally assisted magnetic head 181 according to a modified embodiment is explained. Compared with the thermally assisted magnetic head 180 , the thermally assisted magnetic head 181 is different in that it has the slider 122 instead of the slider 120 .
[0188] Slider 122 differs from slider 120 in that it has slider substrate 110A instead of slider substrate 110 . Compared with slider substrate 110 , slider substrate 110A differs in that it has light source cavity 169 instead of light source cavity 161 , and that it has solder portion 156 instead of solder portion 166 .
[0189] The light source cavity 169 has an open recess 162 and a flat bottom 163 , however, similar to the light source cavity 161 , the light source cavity 169 does not have a deep bottom 164 . The bottom of the light source cavity 169 is formed flat. Therefore, in the thermally assisted magnetic head 181 , the mounting bottom surface 150 a of the sub-mount...
Embodiment 3
[0192] Next, refer to Figure 29 A slider 120X according to a modified embodiment is explained. Compared with the slider 120 , the slider 120X is different in that it has a light source cavity 161A instead of the light source cavity 161 .
[0193] Compared with the light source cavity 161 , the light source cavity 161A is different in that it has a bottom 165A instead of the bottom 165 . Bottom 165A differs from bottom 165 in that it has flat bottom 163A and deep bottom 164A instead of flat bottom 163 and deep bottom 164 .
[0194] In the case of the bottom 165 , the flat bottom 163 is formed to surround the entire deep bottom 164 . In contrast, in the case of the bottom 165A, the flat bottom 163A is formed so as not to entirely surround the deep bottom 164A in three directions. The flat bottom 163A is formed in a modified C-shape in plan view. Even if the slider 120X is used, similarly to the case of using the slider 120 , the emitter gap is adjusted. Therefore, similar ...
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Abstract
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