INKJET PRINTHEAD
First Claim
1. An inkjet printhead structure adapted for an ink cartridge that includes three ink-supplying tanks, comprising:
- a nozzle plate having a plurality of nozzles; and
an inkjet chip for controlling ink jetting and having a total area region having of a length and a width, the total area region including;
a non-wiring region for installing three ink-supplying flow channels; and
a wiring region for installing an interior circuit including a plurality inkjet unit assembly, each inkjet unit of the inkjet unit assembly including a heater installed correspondingly to the nozzle;
wherein an area of the wiring region of the inkjet chip is or less than 77% of a total area of the inkjet chip.
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Accused Products
Abstract
The present invention related to an inkjet printhead, adaptive for an ink cartridge including three ink-supplying tank, the inkjet printhead includes: a nozzle plate having a plurality of nozzles; and an inkjet chip for controlling ink jetting and having a total area region having a length and a width, the total area region including: a non-wiring region for installing three single ink-supplying flow channels; and a wiring region for installing an internal circuit including a plurality inkjet unit assembly, each inkjet unit of the inkjet unit assembly including a heater installed correspondingly to the nozzle; wherein an area of the wiring region of the inkjet chip is or less than 77% of a total area of the inkjet chip.
21 Citations
16 Claims
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1. An inkjet printhead structure adapted for an ink cartridge that includes three ink-supplying tanks, comprising:
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a nozzle plate having a plurality of nozzles; and an inkjet chip for controlling ink jetting and having a total area region having of a length and a width, the total area region including; a non-wiring region for installing three ink-supplying flow channels; and a wiring region for installing an interior circuit including a plurality inkjet unit assembly, each inkjet unit of the inkjet unit assembly including a heater installed correspondingly to the nozzle; wherein an area of the wiring region of the inkjet chip is or less than 77% of a total area of the inkjet chip. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An inkjet printhead structure adapted for an ink cartridge that includes three ink-supplying tanks comprising:
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a nozzle plate having a plurality of nozzles; and an inkjet chip for controlling ink jetting and having a total area region having of a length and a width, the total area region including; a non-wiring region for installing three ink-supplying flow channels; and a wiring region for installing an interior circuit including a plurality inkjet unit assembly, each inkjet unit of the inkjet unit assembly including a heater installed correspondingly to the nozzle, each inkjet unit assembly comprising; a first inkjet unit for receiving a voltage signal, a plurality of address signal and a selection signal; and a second inkjet unit for receiving the voltage signal and the plurality of address signal; wherein the first inkjet unit makes the heater to act a heating performance when the selection signal is enabled in accordance with the voltage signal and the plurality of address signal, and the second inkjet unit makes the heater to act a heating performance when the selection signal is disabled in accordance with the voltage signal and the plurality of address signal, an area of the wiring region of the inkjet chip occupies under 77% of a total area of the inkjet chip. - View Dependent Claims (16)
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Specification