초록 ▼

The present invention provides a recording medium having a solid lubricating layer that has increased thermal stability over traditional solid lubricants. The lubricating layer includes amorphous fluorinated carbon doped with a thermally stabilizing dopant, such as N or SiO 2 . In one embodiment, a

The present invention provides a recording medium having a solid lubricating layer that has increased thermal stability over traditional solid lubricants. The lubricating layer includes amorphous fluorinated carbon doped with a thermally stabilizing dopant, such as N or SiO 2 . In one embodiment, a method of lubricating the recording medium by plasma-enhanced chemical vapor deposition is also provided.

대표청구항 ▼

1. A recording medium comprising:a substrate;a recording layer disposed on the substrate; anda lubricating layer disposed on the recording layer, wherein the lubricating layer comprises fluorinated carbon and a thermally stabilizing dopant comprising N. 2. The recording medium of claim 1, wherein th

1. A recording medium comprising:a substrate;a recording layer disposed on the substrate; anda lubricating layer disposed on the recording layer, wherein the lubricating layer comprises fluorinated carbon and a thermally stabilizing dopant comprising N. 2. The recording medium of claim 1, wherein the thermally stabilizing dopant is present in an amount of at least 3 atomic % of the lubricating layer. 3. The recording medium of claim 1, wherein the thermally stabilizing dopant is present in an amount from about 10 atomic % to about 13 atomic %. 4. The recording medium of claim 1, wherein the thermally stabilizing dopant comprises a compound containing N. 5. The recording medium of claim 4, wherein the thermally stabilizing,dopant comprises NH 3 . 6. The recording medium of claim 1, wherein the thermally stabilizing dopant further comprises Si. 7. The recording medium of claim 1, wherein the thermally stabilizing dopant further comprises a Si-containing compound. 8. The recording medium of claim 7, wherein the compound containing Si is selected from the group consisting of SI, SiO 2 and SiH 4 . 9. The recording medium of claim 1, wherein the lubricating layer is thermally stable above a temperature of 250° C. 10. The recording medium of claim 1, wherein the lubricating layer is thermally stable at a temperature of 300° C. 11. The recording medium of claim 1, further comprising a buffer layer disposed between the recording layer and the lubricating layer. 12. The recording medium of claim 11, wherein the buffer layer comprises a material selected from the group consisting of a-C:H, a-C:N, a-C:H, a-C:H, N, SiC and B 4 C. 13. The recording medium of claim 1, wherein the recording layer is an optical recording layer. 14. The recording medium of claim 1, wherein the recording layer is a hard magnetic recording layer. 15. The recording medium of claim 14, wherein the recording medium further comprises a soft magnetic layer under the hard magnetic recording layer. 16. The recording medium of claim 1, wherein said recording layer is a magneto-optical recording layer. 17. The recording medium of claim 1, wherein the recording medium is a thermally assisted magnetic recording medium. 18. The recording medium of claim 1, wherein the recording medium is an optically assisted magnetic recording medium. 19. The recording medium of claim 1, wherein the lubricating layer has a thickness of from 1 to 5 nm. 20. The recording medium of claim 1, wherein the lubricating layer has a thickness of less than 10 nm. 21. A lubricated article comprising a substrate and a lubricant disposed on the substrate, wherein the lubricant comprises fluorinated carbon and a dopant comprising N. 22. The lubricated article of claim 21, wherein the dopant is present in an amount from about 3 atomic % to about 13 atomic % of the lubricant. 23. The lubricated article of claim 21, wherein the lubricating layer has a thickness of from 1 to 5 nm. 24. The lubricated article of claim 21, wherein the lubricating layer has a thickness of less than 10 nm. 25. A method of magnetic recording comprising:providing a magnetic recording head;providing a magnetic recording medium; andmoving the magnetic recording medium in relation to the head to thereby record data, wherein the magnetic recording medium comprises a lubricating layer including fluorinated carbon and a thermally stabilizing dopant comprising N. 26. The method of magnetic recording of claim 25, wherein the thermally stabilizing dopant further comprises SiO 2 . 27. The method of magnetic recording of claim 25, wherein the lubricating layer is thermally stable at a temperature above 250° C. 28. The method of magnetic recording of claim 25, wherein the lubricating layer is thermally stable at a temperature of 300° C. 29. The method of the claim 25, wherein the lubricating layer has a thickness of from 1 to 5 nm. 30. The method of claim 25, wherein the lubricating layer has a thickness of less than 1 0 nm.