Recording medium

Details Recording medium Recording medium

1985-03-29

1987-01-13

Lesmes, George F.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346 76L, 3461351, 428702, 428913, 430945, G11B 724

Patent

active

046368060

ABSTRACT:
A recording medium is disclosed, which comprises as the main component an amorphous lead oxide or a lead oxide at the metastable state, having the formula of PbL.sub.x M.sub.y O.sub.z wherein L and M each indicate elements other than Pb and O. The recording mediums are drastically changed in their electrical properties and optical properties by application of heat, due to the characteristics inherent in the main component, and such changes make the recording medium highly useful for recording by laser light or heat.

REFERENCES:
patent: 3532630 (1970-10-01), Tenzer
patent: 4323621 (1982-04-01), Kober et al.
patent: 4341863 (1982-07-01), Borrelli et al.
patent: 4357616 (1982-11-01), Terao et al.

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