Thermal activation method and processing method for a heat-sensitive adhesive sheet, thermal activation device for a heat-sensitive adhesive sheet, and printer for a heat-sensitive adhesive sheet

摘要

A heat-sensitive adhesive sheet is thermally activated thoroughly at both ends in a conveying direction and unnecessary heating from heat accumulated in a platen roller is avoided. Driving of heating elements (10) of a thermal activation thermal head is started (T3) before the front end of a heat-sensitive adhesive sheet (1) in a sheet conveying direction enters between the thermal head and a platen roller (12) (T2). A heat-sensitive adhesive layer is thermally activated until the heat-sensitive adhesive sheet is sent past the heat-sensitive adhesive sheet (1). Driving of the heating elements (10) is stopped (T6) after the rear end of the heat-sensitive adhesive sheet (1) departs from between the thermal head and the platen roller 12 (T5). The time period from the start of driving of the heating elements (10) to the entrance of the front end of the heat-sensitive adhesive sheet (1) between the thermal head and the platen roller (12) (T2-T3), and the time period from the departure of the rear end from between the thermal head and the platen roller (12) to the end of driving of the heating elements (10) (T6-T5), are each set shorter than the one it takes for the platen roller (12) to rotate once.