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Class Information
Number: 428/835.7
Name: Stock material or miscellaneous articles > Magnetic recording component or stock > Thin film media > Single magnetic layer with single specified overcoat layer > Organic compound overcoat > Fluorocarbon
Description: Subject matter in which the overcoat includes an organic compound of fluorine.


Sub-classes under this class:

Class Number Class Name Patents
428/835.8 Perfluoropolyether 80


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7572499 Contact magnetic transfer template Aug. 11, 2009
7534750 Composition, magnetic recording medium, head slider, and magnetic recording device May. 19, 2009
7361421 Lubricant, magnetic recording medium and production method of magnetic recording medium Apr. 22, 2008
7323260 Lubricant, recording medium and carboxylic acid compound Jan. 29, 2008
7045215 Magnetic recording disk and process for manufacture thereof May. 16, 2006
6989356 Partially-fluorinated-alkyl compound, lubricant comprising the compound, and recording medium using the lubricant Jan. 24, 2006
6911420 Method of refining a lubricant for use on a magnetic recording medium Jun. 28, 2005
6846542 UV treatment for improving performance of lubricated thin film recording media and media obtained thereby Jan. 25, 2005
6638622 Perfluorinated polyethers with metal carboxylate end groups as anti-wetting and corrosion-protective agents Oct. 28, 2003
6500567 Ultra-thin nucleation layer for magnetic thin film media and the method for manufacturing the same Dec. 31, 2002
6319600 Fluoropolyether topcoat lubricants Nov. 20, 2001
6103677 Lubricant and magnetic recording medium comprising the same Aug. 15, 2000
5998340 Lubricant and magnetic recording medium using the same Dec. 7, 1999
5985403 Magnetic recording medium and magnetic recording reproducer Nov. 16, 1999
5962117 Lubricating agent and magnetic recording medium comprising the same Oct. 5, 1999
5869186 Magnetic recording medium Feb. 9, 1999
5750747 Organic triblock compound solid lubricant comprising the same and magnetic recording medium May. 12, 1998
5612134 Magnetic recording medium having a carbon protective layer and a fluoro-lubricant supplied from a backcoat layer Mar. 18, 1997
5607782 Magnetic recording medium Mar. 4, 1997
5604032 Fluorine-containing carboxylic acid amine salt and a magnetic recording medium with the same thereon Feb. 18, 1997
5587217 Lubricant composition and method Dec. 24, 1996
5567524 Magnetic recording medium having a cobalt thin film magnetic layer, carbon protective layer, and fluorolubricant layer Oct. 22, 1996
5560995 Magnetic recording medium having a ferromagnetic metal thin film upon which is coated a phosphorous and fluorine containing composition Oct. 1, 1996
5556707 Magnetic recording medium having a lubricant comprising a phosphoric acid monoester and a fluorocarboxylic acid ester Sep. 17, 1996
5525392 Magnetic recording medium having a fluorinated polymeric protective layer formed by an ion beam Jun. 11, 1996
5521017 Magnetic recording medium May. 28, 1996
5512373 Magnetic recording medium Apr. 30, 1996
5496645 Magnetic recording medium comprising a magnetic metallic thin film and a layer containing a specified fluorine compound and a specified tetrazaindene cyclic compound or thiouracil cyclic compo Mar. 5, 1996
5492764 Magnetic recording medium having a protective layer containing a tetrazaindene or thiouracil cyclic compound and a fluorine compound Feb. 20, 1996
5462810 Magnetic recording medium Oct. 31, 1995
5443901 Magnetic recording medium having an adsorbed film of molecules comprising two species of straight carbon chain molecules Aug. 22, 1995
5395696 Magnetic recording medium having a lubricant layer of a fluoroalkyl sulfo-compound Mar. 7, 1995
5376465 Magnetic recording medium having a ferromagnetic thin film and hydrolysis resistant protective layer comprising a tertiary carboxylic acid having at least two fluorine atoms Dec. 27, 1994
5326641 Magnetic recording medium comprising a ferromagnetic thin film and a protective layer of fluorine based resin Jul. 5, 1994
5128216 Lubricants for magnetic media Jul. 7, 1992
5069973 Magnetic recording medium Dec. 3, 1991
5011963 Terminal perfluoroalkylsilane compounds Apr. 30, 1991
4902585 Recording medium and method of producing the same Feb. 20, 1990
4842939 Process for protecting and lubricating surfaces subjected to friction and wear Jun. 27, 1989
4824724 Magnetic recording medium Apr. 25, 1989
4781985 Ink jet transparency with improved ability to maintain edge acuity Nov. 1, 1988
4778915 Fluoroacrylic monomers and polymers Oct. 18, 1988
4758471 Magnetic recording medium Jul. 19, 1988
4735848 Magnetic recording medium Apr. 5, 1988
4713287 Magnetic recording medium Dec. 15, 1987
4696845 Magnetic storage medium with lubricating coating Sep. 29, 1987
4647507 Magnetic recording material Mar. 3, 1987
4606973 Substrate with perfluorocarbon polymeric coatings having low critical surface tensions Aug. 19, 1986
4588643 Perfluorocarbon polymeric coatings having low critical surface tensions May. 13, 1986
4551778 Magnetic recording media and process of producing them Nov. 5, 1985

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