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Browse by Category: Main > Material Science
Class Information
Number: 428/800
Name: Stock material or miscellaneous articles > Magnetic recording component or stock
Description: Stock material comprising a laminate of one or more layers deposited on a substrate, which laminate has a disclosed utility in a dynamic magnetic recording, magnetic reproducing, or magnetic storage apparatus or in a component thereof that consists of a layer of magnetizable material deposited on a substrate intended for information storage.


Sub-classes under this class:

Class Number Class Name Patents
428/838 Binder media 68
428/810 Magnetic head 40
428/846 Magnetic recording media substrate 24
428/817 Magneto-optical media stock 33
428/826 Thin film media 118


Patents under this class:
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Patent Number Title Of Patent Date Issued
7601445 Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus Oct. 13, 2009
7588841 Perpendicular magnetic recording exchange-spring type medium with a lateral coupling layer for increasing intergranular exchange coupling in the lower magnetic layer Sep. 15, 2009
7584631 Member for supporting magnetic disc substrates, process of producing the same, and magnetic disc device using the same Sep. 8, 2009
7566506 Magnetic body Jul. 28, 2009
7553561 Rare earth magnet Jun. 30, 2009
7527881 Cleaning medium May. 5, 2009
7527809 Polyhydroxyalkanoate-containing magnetic structure, and manufacturing method and use thereof May. 5, 2009
7459222 Magnetoresistive medium including nanowires Dec. 2, 2008
7402350 Highly tetrahedral amorphous carbon coatings and systems and methods for their production Jul. 22, 2008
7372116 Heat assisted switching in an MRAM cell utilizing the antiferromagnetic to ferromagnetic transition in FeRh May. 13, 2008
7312940 Magnetic transfer apparatus Dec. 25, 2007
7273667 Longitudinal multi-layer magnetic recording medium Sep. 25, 2007
6903403 Magnetic memory cell having an annular data layer and a soft reference layer Jun. 7, 2005
6839192 Holder for magnetic transfer apparatus Jan. 4, 2005
6818089 Attachment method for disc protective sheet Nov. 16, 2004
6663988 Magnetic recording medium, production process thereof, magnetic recording and reproducing apparatus, and method for evaluating inclination distribution of crystal planes on the magnetic film s Dec. 16, 2003
6641891 Magnetic recording medium Nov. 4, 2003
6623857 Nanogranular thin film and magnetic recording media Sep. 23, 2003
6617012 Styrene-acrylonitrile as a resist for making patterned media Sep. 9, 2003
6613448 Magnetoresistance effect film and method of forming same Sep. 2, 2003
6613459 Master magnetic information carrier, fabrication method thereof, and a method for manufacturing a magnetic recording medium Sep. 2, 2003
6610415 Magnetic or magnetizable composite product and a method for making and using same Aug. 26, 2003
6610425 Soft magnetic alloy fiber, manufacturing method for soft magnetic alloy fiber, and information recording article using soft magnetic alloy fiber Aug. 26, 2003
6610404 High yield stress magnetorheological material for spacecraft applications Aug. 26, 2003
6606220 Systems and methods for providing beginning-of-tape and end-of-tape indicators Aug. 12, 2003
6468678 Conformable magnetic articles for use with traffic bearing surfaces methods of making same systems including same and methods of use Oct. 22, 2002
6458432 Process for producing magnetic disk Oct. 1, 2002
6447618 Magnetic acicular alloy particles containing iron as a main component Sep. 10, 2002
6445795 Data recording method and apparatus, data record medium and data reproducing method and apparatus Sep. 3, 2002
6404207 Scanning capacitance device for film thickness mapping featuring enhanced lateral resolution, measurement methods using same Jun. 11, 2002
6375108 Multi-layered drive leader for a tape drive Apr. 23, 2002
6358635 Magnetic recording sensor with stabilizing shield Mar. 19, 2002
6348275 Bulk amorphous metal magnetic component Feb. 19, 2002
6347016 Master information carrier, process for producing the carrier, and method and apparatus for recording master information signal on magnetic recording medium by using the carrier Feb. 12, 2002
6346337 Bulk amorphous metal magnetic component Feb. 12, 2002
6346336 Soft magnetic film soft magnetic multilayer film method of manufacturing the same and magnetic device Feb. 12, 2002
6331363 Bulk amorphous metal magnetic components Dec. 18, 2001
6328822 Functionally graded alloy, use thereof and method for producing same Dec. 11, 2001
6316131 Large magnetoresistance in non-magnetic silver chalcogenides and new class of magnetoresistive compounds Nov. 13, 2001
6299990 Ferromagnetic material and magnetic apparatus employing the ferromagnetic material Oct. 9, 2001
6299991 Selective growth of ferromagnetic films for magnetic memory, storage-based devices Oct. 9, 2001
6238811 Electromagnetic wave generating composite May. 29, 2001
6194091 Magnetostatic wave device Feb. 27, 2001
6187459 Composite magnetic member, process for producing the member and electromagnetic valve using the member Feb. 13, 2001
6146773 Security document and method for producing it Nov. 14, 2000
6127034 Security documents Oct. 3, 2000
6117568 Cyanochromium-complex-based magnetic material Sep. 12, 2000
6103405 Planar inductance element Aug. 15, 2000
6074726 Security card with optical trace Jun. 13, 2000
6063511 Low cost thin film magnetodielectric material May. 16, 2000

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