| 摘要 |
A printhead for use in an ink jet printing device includes a heater substrate having a plurality of heating elements and an intermediate layer disposed adjacent the heater substrate. The intermediate layer defines a plurality of ink flow paths. A channel plate is disposed adjacent the intermediate layer and includes an integral filter having a plurality of filter teeth extending toward the intermediate layer. The channel plate defines an ink reservoir on one side of the integral filter and a cross-flow channel on a second side of the integral filter. Preferably, the channel plate, including the integral filter, comprises a single piece of plastic.
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