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Printhead incorporating a two dimensional array of ink ejection ports

  • US 7,287,827 B2
  • Filed: 04/16/2007
  • Issued: 10/30/2007
  • Est. Priority Date: 07/15/1997
  • Status: Expired due to Fees
First Claim
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1. A printhead for an inkjet printer, the printhead comprising:

  • a wafer substrate assembly defining rows of evenly spaced ink inlet channels; and

    rows of ink ejection nozzle arrangements extending from the wafer substrate assembly and in fluid communication with respective ink inlet channel rows, each nozzle arrangement defining an ink ejection port from which ink can be ejected, adjacent rows of ink ejection nozzle arrangements being axially offset relative to each other so that the resulting two dimensional array of ink ejection ports is a non-orthogonal grid.

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