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Magnetic recording medium and production thereof

  • US 4,737,415 A
  • Filed: 11/20/1985
  • Issued: 04/12/1988
  • Est. Priority Date: 11/20/1984
  • Status: Expired due to Term
First Claim
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1. A magnetic recording medium comprising a substrate, a magnetic layer and a first protective layer which consists of an organic polymeric material comprising carbon atoms, hydrogen atoms and oxygen atoms, the content of the oxygen atom increasing towards the outer surface of the protective layer, the thickness of the protective layer ranging from 20 to 2,000 Å

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