Heat-assisted removal of head contamination
Provided herein is a magnetic write head including a near field transducer and a magnetic recording media including a media lubricant. The media lubricant includes a first portion and a second portion. The second portion of the media lubricant is evaporated in response to heat emitted from the near field transducer. The second portion of the media lubricant that is evaporated removes a contaminant over the near field transducer.
1. An apparatus comprising:
a magnetic write head including a near field transducer; and
a magnetic recording media including a media lubricant, wherein
the media lubricant includes a first portion and a second portion,
the second portion of the media lubricant is evaporated in response to heat emitted from the near field transducer, and
the second portion of the media lubricant that is evaporated removes a contaminant over the near field transducer.
2. The apparatus of claim 1 , wherein the second portion of the media lubricant is at an outer diameter of the magnetic recording media.
3. The apparatus of claim 1 , wherein the second portion of the media lubricant is at an inner diameter of the magnetic recording media.
4. The apparatus of claim 1 , wherein the first portion of the media lubricant and the second portion of the media lubricant overlap.
5. The apparatus of claim 1 , wherein the second portion of the media lubricant is between an inner diameter and an outer diameter of the magnetic recording media.
6. The apparatus of claim 1 , wherein the second portion of the media lubricant includes a thermally reactive lubricant.
7. The apparatus of claim 1 , wherein the second portion of the media lubricant includes an outer diameter region and an inner diameter region, and the outer diameter region includes a different thermally reactive lubricant than the inner diameter region.
8. An apparatus comprising:
a first region of a magnetic recording media; and
a second region of the magnetic recording media that is evaporated in response to heat emitted from a near field transducer, wherein the second region that is evaporated removes contaminants over the near field transducer.
9. The apparatus of claim 8 , wherein the second region of the magnetic recording media is at an outer diameter of the magnetic recording media.
10. The apparatus of claim 8 , wherein the second region of the magnetic recording media is at an inner diameter of the magnetic recording media.
11. The apparatus of claim 8 , wherein the first region of the magnetic recording media and the second region of the magnetic recording media both cover an entire surface of the magnetic recording media.
12. The apparatus of claim 8 , wherein the second region of the magnetic recording media is between an inner diameter and an outer diameter of the magnetic recording media.
13. The apparatus of claim 8 , wherein the second region of the magnetic recording media includes an outer diameter region and an inner diameter region, and the inner diameter region evaporates at a higher temperature than the outer diameter region.
14. The apparatus of claim 8 , wherein the first region of the magnetic recording media includes surface contaminants that are evaporated in response to the heat emitted from the near field transducer.
15. A method comprising:
heating a first region of a magnetic recording media with a near field transducer, wherein the heating causes a contaminant to form over the near field transducer; and
heating a second region of the magnetic recording media with the near field transducer, wherein
the second region is evaporated in response to the heating, and
the second region that is evaporated removes the contaminant over the near field transducer.
16. The method of claim 15 , wherein the second region of the magnetic recording media is at an outer diameter of the magnetic recording media or an inner diameter of the magnetic recording media.
17. The method of claim 15 , wherein the first region of the magnetic recording media and the second region of the magnetic recording media overlap.
18. The method of claim 15 , wherein the second region of the magnetic recording media is between an inner diameter and an outer diameter of the magnetic recording media.
19. The method of claim 15 , wherein the second region of the magnetic recording media includes an outer diameter region and an inner diameter region, and the inner diameter region evaporates at a higher temperature than the outer diameter region.
20. The method of claim 15 , wherein the second region of the magnetic recording media includes an outer diameter region and an inner diameter region, and the outer diameter region includes a different thermally decomposing lubricant than the inner diameter region.