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Class Information
Number: 428/833.4
Name: Stock material or miscellaneous articles > Magnetic recording component or stock > Thin film media > Single magnetic layer with plural overcoat layers > Inorganic overcoat layer > Carbon overcoat (e.g., graphite, diamond like, doped carbon, etc.) > With lubricant over carbon layer > Plural lubricant layers over carbon layer
Description: Subject matter in which the medium has at least two distinct layers of lubricant over the carbon layer.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8338006 |
Magnetic recording disk having pre-patterned surface features and planarized surface |
Dec. 25, 2012 |
| 7998912 |
Composite lubricant for hard disk media |
Aug. 16, 2011 |
| 7510999 |
Lubricant composition for magnetic recording media |
Mar. 31, 2009 |
| 7440233 |
Magnetic recording medium and information reproducing apparatus |
Oct. 21, 2008 |
| 7277254 |
Magnetic recording disk and process for manufacture thereof |
Oct. 2, 2007 |
| 7252897 |
Magnetic recording disk and process for manufacture thereof |
Aug. 7, 2007 |
| 7208236 |
Magnetic recording medium with multi-portion carbon-based protection layer, and apparatus thereof |
Apr. 24, 2007 |
| 7060377 |
Lubricant film containing additives for advanced tribological performance of magnetic storage medium |
Jun. 13, 2006 |
| 6831802 |
Methods and apparatus for thermally bonding lubricant to a disk surface by the repetitive writing of data |
Dec. 14, 2004 |
| 6680112 |
Magnetic recording medium and production process thereof |
Jan. 20, 2004 |
| 6001479 |
Magnetic recording medium and method for manufacturing the same |
Dec. 14, 1999 |
| 5137784 |
Magnetic record medium with a magnetic layer coated with successive layers of carbon, organic amine, and fluoro lubricant |
Aug. 11, 1992 |
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