| 摘要 |
To discharge a liquid from each of liquid discharge flow paths without being affected by an operating state of the other liquid discharge flow paths, a liquid-jet head chip includes: an actuator substrate including a plurality of discharge grooves each being open on one surface of the actuator substrate, and the plurality of discharge grooves being formed in parallel at a distance from each other; a cover plate substrate including a common ink chamber being open on a surface of the cover plate substrate on a side opposite to the actuator substrate and a plurality of slits extending from the common ink chamber to be in communication with the discharge grooves; and a filter having a flat surface at an approximately constant distance from ends of all the slits, the structure being located at a position at which an opening of the common ink chamber is substantially closed.
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