Process for thermoremanent duplication of magnetic tapes using t

Details Process for thermoremanent duplication of magnetic tapes using t Process for thermoremanent duplication of magnetic tapes using t

1985-09-11

1986-12-23

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Record copying

Contact transfer

G11B 586, G11B 1560

Patent

active

046316027

ABSTRACT:
Thermoremanent duplication of a magnetic tape particularly adapted to laser heating whereby a copy tape is heated and cooled, for example, in a nip of two rolls while in contact with a master tape.

REFERENCES:
patent: 3108728 (1963-10-01), Selsted
patent: 3496304 (1970-02-01), Nelson
patent: 3613102 (1971-10-01), Daly et al.
patent: 3632898 (1972-01-01), Slade
patent: 3761645 (1973-09-01), Stancel, Jr. et al.
patent: 3825948 (1974-07-01), Hendershot, III et al.
patent: 3928747 (1975-12-01), Hanai et al.
patent: 4213159 (1980-07-01), King
J. J. Hagopian, "Thermomagnetic Transfer Mass Storage", IBM Technical Disclosure Bulletin, vol. 16, No. 12, May 1974.
W. B. Hendershot, III, "Thermal Contact Duplication of Videotape", Journal of the SMPTE, vol. 80, No. 3, Mar. 1971.
Matsumoto, "The Application of Piezoremanent Magnetization to Magnetic Contact Printing", IEEE Transactions on Magnetics, vol. Mag. 16, No. 5, Sep. 1980, RCA Technical Notes, TN No. 991, Dec. 1976.

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