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Printhead including port after filter

一种打印头、过滤器的技术，应用在印刷等方向

Inactive Publication Date: 2012-10-31
EASTMAN KODAK CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When one or more nozzles are clogged or otherwise not functioning properly, image artifacts can result because the printing system has only one chance to print a given section of the media

Method used

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  • Printhead including port after filter
  • Printhead including port after filter
  • Printhead including port after filter

Examples

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Embodiment Construction

[0017] The present description will be directed in particular to elements forming part of, or cooperating more directly with, a device according to the invention. It is to be understood that elements not specifically shown or described may take various forms well known to those skilled in the art. In the following description and drawings, the same reference numerals have been used to designate the same elements, where possible.

[0018] Exemplary embodiments of the present invention are shown schematically and not drawn to scale for the sake of clarity. Those of ordinary skill in the art will be able to readily determine the specific dimensions of the elements and the interconnection of the elements of the exemplary embodiments of the present invention.

[0019] As described herein, exemplary embodiments of the present invention provide a printhead or printhead member generally used in inkjet printing systems. However, many other applications are also emerging which use ink...

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PUM

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Abstract

A printhead includes a liquid source, a first substrate, a filter, and a liquid chamber. Portions of the first substrate define a nozzle adapted to emit liquid from the liquid source. The liquid chamber includes a port. The liquid chamber is in fluid communication with the nozzle and the filter and is positioned between the first substrate and the filter.

Description

technical field [0001] The present invention relates generally to the field of digitally controlled printing systems, and in particular to the filtration of liquid subsequently discharged by a printhead of a printing system. Background technique [0002] The use of inkjet printers for printing information onto recording media is well established. Printers used for this purpose may include continuous printing systems that discharge a continuous stream of droplets from which particular droplets are selected for printing according to print data. Other printers may include drop-on-demand printing systems that selectively form and discharge printing droplets only when specifically required to print data information. [0003] Continuous printer systems typically include a printhead incorporating a liquid supply system with a nozzle plate having a plurality of nozzles fed through the liquid supply system. A liquid supply system provides liquid to the nozzles at a pressure suffici...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/02B41J2/175
CPCB41J2/17563B41J2/03
Inventor K.M.维思J.C.布拉扎斯D.L.让-迈尔
Owner EASTMAN KODAK CO
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