| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid discharge head to suppress diffusion of heat generated by a heater, and to enhance a heater protection performance by a protective film, while securing an effective foaming area. SOLUTION: Metal protective films 65 protecting a plurality of heating elements provided on a substrate 1 consist of a platinum metal element, and are provided separately for the plurality of heating elements, respectively. COPYRIGHT: (C)2006,JPO&NCIPI
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