Thermal transfer film cassette and thermal transfer...

Details Thermal transfer film cassette and thermal transfer... Thermal transfer film cassette and thermal transfer...

B - Operations, Transporting

41

M

B41M 5/34 (2006.01) B41F 17/00 (2006.01) B41J 17/36 (2006.01)

Patent

CA 2167892

A thermal transfer film cassette (1) used after having been removably loaded in a thermal transfer printer (2) is disclosed, which enables an appropriate printing without being used erroneously by the thermal transfer printer and without being forged or counterfeited. The thermal transfer film cassette (1) comprises: a thermal transfer film (11) for transferring thermo-recorded data onto a receiver sheet (4); a cassette casing (10) for housing the thermal transfer film (11) therein; and a light diffractive structure (20) formed on the cassette casing, for forming a diffractive image when irradiated with reproducing light. The diffractive image has printing data related to adapt- ability between the thermal transfer film cassette (1) and the thermal transfer printer (2). Further, it is prefera- ble to form the light diffractive structure as being fragile to disable the fragile light diffractive structure (40) from being used again for forgery, after having been removed.

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