Abstract
A direct thermal recording method has advantages over conventional recording procedures. These advantages result from the feature of a direct thermal recording material which can generate color by synthesizing dye in response to heat. There is, therefore, no need for ink, toner or developing solution. As a result, it can build small, light, simple and reliable recording system, and the thermal printer has been built into a cash register, a ticket machine, a facsimile, etc.
Value-added direct thermal printers like a full-color thermal printer were also developed in latest 20 years. However, many of them were not accepted in the market, because these printers and materials were too complex and loose simplicity.
