| abstract |
This invention provides an ink jet head equipped with an electrothermal transducer having a heat-generating resistor which, when energized, generates a thermal energy utilized for directly heating an ink present on a thermal action plane to jet the ink, said ink jet head being characterized in that the heat-generating resistor is one constituted of a non-monocrystalline substance essentially composed of iridium and tantalum each contained in the following proportion: 35 at.% « Ir « 77 at.%, 23 at.% « Ta « 65 at.%. |