Liquid discharge head, manufacturing method thereof, and...

B - Operations – Transporting – 81 – B

Patent

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Details

B81B 3/00 (2006.01) B41J 2/14 (2006.01) B41J 2/16 (2006.01) B81C 1/00 (2006.01)

Patent

CA 2311143

There is provided a liquid discharge head comprising a substrate, a ceiling plate connected to the substrate, a liquid flow path formed between the substrate and the ceiling plate, and a cantilever-like movable member having a fixed end fixed to the substrate and a free end extending into the liquid flow path, wherein the movable member is formed of a lower protective layer, a heat generating resistive layer, a lower electrode layer, an insulating layer, an upper electrode layer, and an upper protective layer stacked from the side of the substrate in the mentioned order, and wherein application of a voltage to a heat generating portion of the heat generating resistive layer causes bubbling of a liquid in the liquid flow path between the movable member and the substrate to discharge the liquid.

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