Deposition techniques for archival recording media for digital data storage

摘要: Embodiments show a recording medium (10) adapted for and read-out with relatively low-power laser means (212) to write digital data "bits" (v) (as reflectance changes) high density computer storage. One preferred comprises disk support (12) having an "anti-reflective" surface (1-AR) on which is laid gold "information layer" (15) absorb radiation (from beam) (212 a,b,c) so "write" the bits. The anti-reflective may comprise high-reflectance surface, like aluminum film, covered transparent (to dielectric "spacer" (14) SiO2. absorber layer exhibits surprisingly sensitivity, apt low power recording, extended archival stability; more surprisingly, it appears be formed without any evidence of usual "pit formation" or other deformation by slight heating, well below melting point.