Abstract
Thermomagnetic recording (TMR) is defined as the production of a magnetic latent image in a material by cooling it from a specified temperature in a small magnetic field. At present, the applications of TMR most actively pursued are high density information storage and magnetic tape copying. In the information storage application, small diameter optical or electron beams are used to locally heat the material. The stored information is then read out by magneto‐optical, inductive, or electron deflection techniques. In tape copying, a master and copy tape are heated and cooled while in contact. The stray flux from the master tape produces the copy on the other tape.
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