Resources Contact Us Home
Browse by Category: Main > Material Science
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

  Recently Added Patents
Method and system for prioritizing points of interest for display in a map using category score
Ejection station
Integrated testing circuitry for high-frequency receiver integrated circuits
Information distribution system, information distributing method, node, and recording medium
High throughput thin film characterization and defect detection
Developing device
Using network labels without standard-defined syntax and semantics
  Randomly Featured Patents
Flocculation of coals with water-soluble starch xanthates
Cards safe
Plastic support clip having a retaining hook for releasably retaining an article within the clip
Wire cutting electric discharge machine with twisted conveyor belts
Main line tapping apparatus
Modular step system and method for manufacture
Zoom lens system, imaging device and camera
Bi-layer nonwoven fire resistant batt and an associated method for manufacturing the same
Use of chondroitin sulphate E (CS-E) for the treatment of diseases or conditions related to collagen fibril formation
Methods and apparatus for performing delta updates of an electronic shelf label