Magnetic recording media

Magnetic recording media

  • CN 1,032,598 A
  • Filed: 10/03/1988
  • Published: 04/26/1989
  • Est. Priority Date: 10/09/1987
  • Status: Abandoned Application
First Claim
Patent Images

1. , a kind of magnetic disk substrate magnetic recording media of being provided with magnetosphere and covering the protective seam on this magnetosphere, have following characteristics:

  • its above-mentioned protective seam is made of the thin evaporated film that the ion beam coating embrane method forms.

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