Patent ID: 8511808

Claim:
A recording head comprising: a plurality of first discharging ports configured to discharge first recording liquid; a plurality of second discharging ports configured to discharge second recording liquid, wherein a total area of the plurality of second discharging ports is larger than a total area of the plurality of first discharging ports; a first recording-liquid flow passage configured to supply the first recording liquid to the plurality of first discharging ports; a second recording-liquid flow passage configured to supply the second recording liquid to the plurality of second discharging ports, wherein an area of a second flow passage entrance opening of the second recording-liquid flow passage is smaller than an area of a first flow passage entrance opening of the first recording-liquid flow passage; a first filter provided at the first flow passage entrance opening and joined to a periphery of the first flow passage entrance opening; and a second filter provided at the second flow passage entrance opening and joined to a periphery of the second flow passage entrance opening, wherein a size of the first filter and a size of the second filter are same, and wherein an area of a joined portion of the second filter to the periphery of the second flow passage entrance opening is larger than an area of a joined portion of the first filter to the periphery of the first flow passage entrance opening.