Information carrier, method for producing same

Details Information carrier, method for producing same Information carrier, method for producing same

1996-07-01

1999-10-12

Evans, Elizabeth

Stock material or miscellaneous articles

Circular sheet or circular blank

428 644, 428689, 428698, 428913, 43027011, 4304951, 430945, 369283, 369288, B32B 300

Patent

active

059652284

ABSTRACT:
An information carrier 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 information carrier further includes 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 Si.sub.x C.sub.y or Si.sub.v N.sub.w, or both.

REFERENCES:
patent: 3629088 (1971-12-01), Frank
patent: 5348783 (1994-09-01), Ohno et al.
patent: 5381401 (1995-01-01), Best et al.
patent: 5414678 (1995-05-01), Challener, IV
patent: 5689497 (1997-11-01), Wilting et al.
Search Report in CH 26055.
IBM Tech Disclosure no dates available.

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