The present invention provides a thermal printing method using a sublimable dye, which is capable of faithfully printing on any kind of substrates, including plain paper without the tack sheets which make the process complicated. The method of the present invention comprises forming an image into a printing...http://www.google.es/patents/US5447902?utm_source=gb-gplus-sharePatente US5447902 - Thermal transfer printing method and color ink film therefor
Thermal transfer printing method and color ink film therefor