| 摘要 |
<p>A printing apparatus, for printing on a recording medium by using an ink film which has an electrically resistive layer and a thermally fusible and transferable ink layer, has a thermal head which has a substrate (6) and a plurality of recording electrodes (7) disposed on the substrate. Each electrode has a contact portion (8) held in contact with the resistlve layer of the ink film. The contact portions of two electrodes cooperate to energize the electrically resistive layer of the ink film, so that the energized portion generates Joule heat for softening the ink material and transferring the softened ink material onto a recording medium. To give the head the desired wear resistance, the substrate (6) of the thermal head is made of a material having a low wear resistance, and at least the contact portion (8) of each electrode (7) is made of an electrically conductive material which has a major component which is a metal silicide; at least one of the metals chromium, titanium, tantalum, zirconium, hafnium and niobium; or at least one alloy or metal compound which contains at least one of those metals.</p> |
