Thermische Farbstoffdruckschicht.

摘要

An ink sheet (14), for use for thermally imprinting a character or graphic on recording medium, using a thermal head, in thermal imprinting apparatus, the ink sheet (14) having:- a film substrate (11) comprising resin; an adhesive layer (12) formed on said film substrate (11), comprising a mixture of first polyester resin and second polyester resin, the first polyester resin having a first glass transition temperature (Tg) higher than environmental temperatures at which the ink sheet is used or fabricated and the second polyester resin having a second glass transition (Tg) temperature lower than said environmental temperatures; and an ink layer (13) comprising resin, formed on the adhesive layer (12).