Claims
- 1. A hub for a rotating removable data storage device comprising:
- a) a core comprising plain carbon steel having about 0.2% or less carbon; and
- b) a coating on at least a portion of the core.
- 2. The hub of claim 1, wherein the coating is selected from the group consisting of tin, nickel, zinc, chrome, paints, epoxies, epoxy-urethanes, phenolic resins, and combinations thereof.
- 3. The hub of claim 1, further comprising a vapor corrosion inhibiting layer on the coating.
- 4. The hub of claim 1, wherein the hub has a thickness of about 0.241 millimeters or less.
- 5. The hub of claim 1, wherein the coating comprises a plating of tin or nickel material.
- 6. The hub of claim 5, wherein the plating of tin or nickel material has a thickness of about 0.38 micrometers.
- 7. The hub of claim 1, wherein the core produces a magnetic force of attraction on the order of about 1,000 grams-force.
- 8. A hub for a rotating removable data storage device comprising:
- a) a core comprising plain carbon steel having about 0.2% or less carbon; and
- b) a coating on at least a portion of the core, the coating selected from the group consisting of tin, nickel, zinc, chrome, paints, epoxies, epoxy-urethanes, phenolic resins, and combinations thereof, wherein the hub has a thickness of about 0.241 millimeters or less.
- 9. The hub of claim 8, wherein the coating comprises a plating of tin or nickel material.
- 10. The hub of claim 9, wherein the plating of tin or nickel material has a thickness of about 0.38 micrometers.
- 11. The hub of claim 8, wherein the core produces a magnetic force of attraction on the order of about 1,000 grams-force.
- 12. A hub for a micro-floppy magnetic data storage disc comprising:
- a) a core comprising plain carbon steel having about 0.2% or less carbon; and
- b) a coating on at least a portion of the core.
- 13. The hub of claim 12, wherein the coating is selected from the group consisting of tin, nickel, zinc, chrome, paints, epoxies, epoxy-urethanes, phenolic resins, and combinations thereof.
- 14. The hub of claim 12, further comprising a vapor corrosion inhibiting layer on the coating.
- 15. The hub of claim 12, wherein the coating comprises a plating of tin or nickel material.
- 16. The hub of claim 15, wherein the plating of tin or nickel material has a thickness of about 0.38 micrometers.
- 17. The hub of claim 12, wherein the core produces a magnetic force of attraction on the order of about 1,000 grams-force.
- 18. A micro-floppy magnetic data storage disc comprising:
- a) an annular ring of magnetic recording media; and
- b) a hub located within a central opening in the recording media and secured thereto, the hub comprising:
- 1) a core comprising plain carbon steel having about 0.2% or less carbon; and
- 2) a coating on at least a portion of the core.
- 19. The disc of claim 18, wherein the coating is selected from the group consisting of tin, nickel, zinc, chrome, paints, epoxies, epoxy-urethanes, phenolic resins, and combinations thereof.
- 20. The disc of claim 18, wherein the hub has a thickness of about 0.241 millimeters or less.
- 21. The disc of claim 18, further comprising a vapor corrosion inhibiting layer on the coating.
- 22. The disc of claim 18, wherein the coating comprises a plating of tin or nickel material.
- 23. The disc of claim 18, wherein the core produces a magnetic force of attraction on the order of about 1,000 grams-force.
- 24. A hub for a rotating removable data storage device comprising:
- a) a core comprising plain carbon steel having about 0.5% or less carbon;
- b) a primary coating on at least a portion of the core; and
- c) a vapor corrosion inhibiting layer on the primary coating.
- 25. A hub according to claim 24, wherein the primary coating comprises a metallic plating.
- 26. A hub according to claim 24, wherein the vapor corrosion inhibiting layer comprises an amine.
- 27. The hub of claim 24, wherein the hub has a thickness of about 0.241 millimeters or less.
- 28. The hub of claim 24, wherein the plain carbon steel comprises about 0.5% or less carbon.
- 29. The hub of claim 24, wherein the plain carbon steel comprises about 0.2% or less carbon.
- 30. The hub of claim 25, wherein the metallic plating comprises tin or nickel material.
- 31. A hub for a micro-floppy magnetic data storage disc comprising:
- a) a core comprising plain carbon steel having about 0.5% or less carbon
- b) a primary coating on at least a portion of the core; and
- c) a vapor corrosion inhibiting layer on the primary coating.
- 32. A hub according to claim 31, wherein the primary coating comprises a metallic plating.
- 33. A hub according to claim 31, wherein the vapor corrosion inhibiting layer comprises an amine.
- 34. The hub of claim 32, wherein the metallic plating comprises tin or nickel material.
- 35. The hub of claim 31, wherein the core produces a magnetic force of attraction on the order of about 1,000 grams-force.
Parent Case Info
This application is a continuation-in-part of U.S. patent application Ser. No. 08/692,942 filed on Aug. 7, 1996 abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
5139700 |
Miksic et al. |
Aug 1992 |
|
Foreign Referenced Citations (4)
Number |
Date |
Country |
0 233 644 |
Aug 1987 |
EPX |
0 314 010 |
May 1989 |
EPX |
0 592 872 A2 |
Apr 1994 |
EPX |
63-014387 |
Jan 1988 |
JPX |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
692942 |
Aug 1996 |
|