Thermomagnetic imprinting apparatus and method

Details Thermomagnetic imprinting apparatus and method Thermomagnetic imprinting apparatus and method

1990-04-23

1992-03-10

Fuller, Benjamin R.

Recorders

Magnetographic

346 745, 346105, G11B 900

Patent

active

050953176

ABSTRACT:
An imprinting apparatus having application means for applying thermal energy to a recording portion of thermoplastic magnetic ink and generation means for simultaneously generating magnetic attraction force in the ink is provided. The recording portion of the ink is transferred to a transfer medium by the magnetic attraction force while the application of thermal energy is controlled. The ink and the transfer medium do not come into contact with each other in a non-recording portion of the ink. An ink medium having a support layer and a thermoplastic magnetic ink layer for use with the imprinting apparatus of the invention is also provided.

REFERENCES:
patent: 4103306 (1978-07-01), Clapp
patent: 4138685 (1979-02-01), Kellerman
patent: 4146898 (1979-03-01), Nelson
patent: 4588995 (1986-05-01), Nishimura et al.
patent: 4599658 (1986-07-01), Saitoh et al.
patent: 4769649 (1989-09-01), Takei
patent: 4899169 (1990-02-01), Takei
patent: 4920358 (1990-04-01), Takei

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