Information carrier and method for producing the same

Chemistry: electrical and wave energy – Processes and products – Coating – forming or etching by sputtering

Reexamination Certificate

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Details

C204S192230, C204S192200, C204S192160, C427S523000, C427S527000, C427S530000, C427S131000, C427S167000

Reexamination Certificate

active

06893543

ABSTRACT:
A method and apparatus for producing an information carrier which has at least two solid material interfaces at which information is, or may be applied and where the information is stored by local modulation of at least one characteristic of the solid material. Reflection of electromagnetic radiation at the interface depends on this characteristic. The method and apparatus applies at least one intermediate layer between the two solid material interfaces. The intermediate layer transmits the radiation and is at least predominantly made of either SixCyor SivNw, or both.

REFERENCES:
patent: 4329699 (1982-05-01), Ishihara et al.
patent: 4428811 (1984-01-01), Sproul et al.
patent: 5240581 (1993-08-01), Kim
patent: 5292417 (1994-03-01), Kugler
patent: 5414678 (1995-05-01), Challener, IV
patent: 0 473 492 (1992-03-01), None
patent: 0 564 789 (1993-10-01), None
patent: 0 658 885 (1995-06-01), None
patent: 59-73413 (1984-04-01), None
Patent Abstracts of Japan (59-003017), Apr., 1984.*
IBM Technical Disclosure Bulletin, Jun., 1985.

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