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MAGNETIC RECORDING MEDIA

  • US 20110151281A1
  • Filed: 12/18/2009
  • Published: 06/23/2011
  • Est. Priority Date: 12/18/2009
  • Status: Abandoned Application
First Claim
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1. A magnetic recording medium which comprises a non-magnetic substrate and a magnetic layer formed on the non-magnetic substrate, wherein the magnetic layer contains magnetic powder with a particle size of 40 nm or less and a binder, an autocovariance length Ma of the magnetic layer in its lengthwise direction is 70 nm or less, and an autocovariance length Mb of the magnetic layer in its widthwise direction is 80 nm or less, and a ratio of the autocovariance length Ma to the autocovariance length Mb (Ma/Mb) is from 0.80 to 1.20.

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