Recordable optical disks with metallic interlayer

Details Recordable optical disks with metallic interlayer Recordable optical disks with metallic interlayer

1997-11-17

1999-03-16

Evans, Elizabeth

Stock material or miscellaneous articles

Circular sheet or circular blank

428 644, 428 648, 428457, 428913, 43027014, 43027017, 4304951, 430945, 369283, 369288, B32B 300

Patent

active

058827609

ABSTRACT:
A recordable optical disk including a transparent substrate; a recording layer formed over the substrate; a reflective layer formed over the recording layer; and a thin metallic interlayer formed on the recording layer at the interface between the reflective layer and the recording layer wherein the thin metal interlayer includes materials selected from the group consisting of Pd, Ni, Sn, Au, In, Te, Si, Ge, and alloys thereof, the interlayer being selected so as to improve the optical disk recording stability without significantly affecting the reflection of a recording light beam passing through the substrate and the recording layer and which is reflected by the reflective layer.

REFERENCES:
patent: 4465767 (1984-08-01), Oba et al.
patent: 4490618 (1984-12-01), Cielo
patent: 5090009 (1992-02-01), Hamada et al.
patent: 5124067 (1992-06-01), Itoh et al.
patent: 5294471 (1994-03-01), Evans et al.
patent: 5325351 (1994-06-01), Uchiyama et al.
patent: 5415914 (1995-05-01), Arioka et al.
patent: 5604004 (1997-02-01), Suzuki et al.

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