发明名称 |
ARCHIVAL RECORDING MEDIA WITH IMPROVED INFORMATION LAYER AND ASSOCIATED SUBSTRATE |
摘要 |
Embodiments show a recording medium adapted for recording and read-out with relatively low-power laser means to write digital data "bits" (as reflectance changes) for high density computer storage. One preferred medium comprises a disk support having an "anti-reflective" surface on which is laid a gold "information layer" adapted to absorb recording radiation (from laser beam) and so "write" the bits. The anti-reflective surface may comprise a high-reflectance surface, like an aluminum film, covered with a transparent (to beam) dielectric "spacer" like SiO2. The gold (absorber) layer exhibits surprisingly high sensitivity, apt for low power recording, and extended archival stability; more surprising, it appears to be formed without any evidence of the usual "pit formation" or other deformation and by relatively slight laser-heating, well below the melting point! |
申请公布号 |
EP0079741(A3) |
申请公布日期 |
1984.02.22 |
申请号 |
EP19820305935 |
申请日期 |
1982.11.08 |
申请人 |
BURROUGHS CORPORATION |
发明人 |
LEE, NEVILLE;LABUDDE, EDWARD V.;CHAO, SHIUH;LABUDDE, ROBERT A. |
分类号 |
B41M5/26;G11B7/24;G11C13/04;(IPC1-7):G11B7/24 |
主分类号 |
B41M5/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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