摘要 |
In order to provide a compact and highly reliable recording head enabling precise detection of temperature information on each nozzle and rapid as well as highly accurate detection on nozzles with a discharge defect, a liquid discharge head including a liquid discharge head with a plurality of electrothermal transducing members provided on a substrate to generate heat energy for discharging liquid from a discharge port includes a temperature detecting element formed immediately under each of the plurality of electrothermal transducing members to sandwich insulating film and a temperature detecting circuit for detecting temperature information from each of the temperature detecting elements.
|