Overcoat for optical tape having SbInSn recording layer

Details Overcoat for optical tape having SbInSn recording layer Overcoat for optical tape having SbInSn recording layer

1995-04-04

1996-07-09

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

4302721, 430321, 430945, 20419226, 369284, 369287, G11B 724, G11B 726

Patent

active

055343856

ABSTRACT:
There is disclosed a flexible optical recording element comprising a flexible support having thereon, in order, an SbInSn phase-change alloy optical recording layer and an overcoat layer, the overcoat layer being a silicon oxide layer having an index of refraction greater than about 1.8 at about 800 nm wavelength and a thickness of about .lambda./4, where .lambda. is the wavelength at which the element is read. The element of the invention provides for an advantageous optical tape with a well adhered abrasion resistant overcoat which also provides for excellent corrosion resistance.

REFERENCES:
patent: 5196294 (1993-03-01), Pan et al.
patent: 5271978 (1993-12-01), Vazan et al.

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