Patent ID: 7922311

Claim:
An ink-jet head comprising a passage component made of resin and a filter plate through which ink is filtered, an ink passage formed in the passage component, the filter plate being fixed to the passage component and having a melting point higher than that of the passage component, wherein: the filter plate has an annular region and an inner region surrounded by the annular region, and a plurality of holes are formed through the filter plate in a thickness direction of the filter plate, in the annular region and the inner region, respectively; the passage component has a filter support face that supports one face of the filter plate extending in a direction perpendicular to the thickness direction, the filter support face being in contact with the annular region but out of contact with the inner region; and a holder is formed on the filter support face, the holder penetrating through at least one of the holes formed in the annular region and covering the other face of the filter plate, the holder exposed to the ink passage.