Agent for magnetographic printers and use of such an agent

Details Agent for magnetographic printers and use of such an agent Agent for magnetographic printers and use of such an agent

1994-07-20

1997-03-11

Fuller, Benjamin R.

Recorders

Magnetographic

347131, B41J 2415, B41J 2385, G11B 900

Patent

active

056106335

ABSTRACT:
The present invention relates to an agent for magnetographic printers that includes a plurality (k) of elementary magnetic layers, having relatively hard hysteresis cycles with a threshold effect and marked saturation, of which the coercivity and/or thickness of the layers varies as a function of the position of the layer on a soft magnetic substrate.

REFERENCES:
patent: 4798622 (1989-01-01), Pingaud
patent: 5147732 (1992-09-01), Shiroishi et al.
patent: 5153796 (1992-10-01), Gooch
patent: 5304975 (1994-04-01), Saito et al.
patent: 5386332 (1995-01-01), Jagielinski et al.

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