Low CnO.sub.2 loading, high coercivity thermomagnetic tape dupli

Details Low CnO.sub.2 loading, high coercivity thermomagnetic tape dupli Low CnO.sub.2 loading, high coercivity thermomagnetic tape dupli

1987-01-14

1990-03-06

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Thermomagnetic recording or transducers

360134, 360 16, G11B 502, G11B 586, G11B 578

Patent

active

049071033

ABSTRACT:
An improved high speed process for thermomagnetic duplications of color video tapes employing, as the copy tape, tape having a chromium dioxide loading of approximately 10 to 60 mg/dm.sup.2. Also a prerecorded tape made by the improved process.

REFERENCES:
patent: 3554798 (1971-01-01), Nacci
patent: 3824617 (1974-07-01), Kobayashi et al.
patent: 3844907 (1974-10-01), Kitamoto et al.
patent: 3947872 (1976-03-01), Asai
patent: 4568619 (1986-02-01), Hiller
patent: 4631602 (1986-12-01), Chouinard et al.
patent: 4698701 (1987-10-01), Gantzhorn, Jr. et al.
Dickens et al., "Thermoremanent Duplication of Magnetic Tape Recording", Journal of the SMPTE, Mar. 1971, vol. 80, No. 3.

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