Magnetic recording medium and thermal recording printing device

Details Magnetic recording medium and thermal recording printing device Magnetic recording medium and thermal recording printing device

1996-01-17

1998-01-13

Resan, Stevan A.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having magnetic properties, or preformed fiber orientation...

428216, 428336, 428660, 428662, 428668, 428694RE, 428694TS, 428900, G11B 564

Patent

active

057077541

ABSTRACT:
A thermomagnetic printer of the in-plane magnetization system includes a magnetic recording layer made of Dy.sub.x Co.sub.(1-x) or Dy.sub.y Co.sub.(1-y) and a base layer made of Ti or Ta. Since the described arrangement enables the magnetic recording layer to be formed by the sputtering method or the electron beam evaporation method, and the like, the magnetic recording layer having a uniform thickness and properties in a large area can be formed without difficulties. In addition, by adopting the Ti layer or the Ta layer as the base layer, a reduction in a residual magnetization can be prevented even when the magnetic recording layer is made thicker, thereby increasing a magnetic attraction force.

REFERENCES:
patent: 4126494 (1978-11-01), Imamura et al.
patent: 5158834 (1992-10-01), Funkenbusch
S. Imamura et al., "Recording and Developing Characteristics in Magnetography by Optical Writing," in Electrophotography (The Society Journal), vol. 24, No. 4, pp. 14-20 (1985).
N. Kokaji, "A Theoretical Analysis of the Magnet Force Acting on the Magnetic Toner from the Magnetic Latent Image," Electrophotograhy (The Society Journal), vol. 29, No. 3, pp. 265-275 (1990).

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