摘要:
A medium for recording information is disclosed which is capable of providing high quality, high information density recording by thermal deformation. The medium comprises a layer (10) of amorphous material solvent-coated on a support (20) which layer is capable of being thermally deformed to form depressions (D) or holes surrounded by sharply defined ridges (R) when impinged upon by a high energy recording beam. The layer, which comprises a thermoplastic binder and an absorptive substance which absorbs energy at the wavelength of the beam, is less than 0.45 micron thick and has an absorption factor of 20 or greater at the wavelength of the beam.
摘要:
A medium for recording information is disclosed which is capable of providing high quality, high information density recording by thermal deformation. The medium comprises a layer (10) of amorphous material solvent-coated on a support (20) which layer is capable of being thermally deformed to form depressions (D) or holes surrounded by sharply defined ridges (R) when impinged upon by a high energy recording beam. The layer, which comprises a thermoplastic binder and an absorptive substance which absorbs energy at the wavelength of the beam, is less than 0.45 micron thick and has an absorption factor of 20 or greater at the wavelength of the beam.