Multi-stack optical storage medium

Multi-stack optical storage medium

  • CN 1,795,500 B
  • Filed: 05/17/2004
  • Issued: 07/18/2012
  • Est. Priority Date: 05/28/2003
  • Status: Active Grant
First Claim
Patent Images

1. but rewritable optical storage media comprises under its plane of incidence (EF):

  • Top recording stack (ST 0), this top recording stack (ST 0) comprise that thickness is d RAnd refractive index is n RTop recording layer (L 0) and At least one below recording stack (ST 1), Said below recording stack (ST 1) cross this top recording stack (ST through the radiation beam with wavelength X (a

         4) transmission of passing this plane of incidence (EF) but getting into this rewritable optical storage media 0) and focus on said below recording stack (ST 1) come by record or read back, Said top recording layer (L 0) in record cause recording layer (L above said 0) the recording areas and the changes delta (n of the optical thickness between the recording areas not RD R) in scope [0.03 λ

    , 0.125 λ

    ].

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