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liquid jet head

A liquid ejection head, liquid technology, applied in the direction of printing, etc., can solve the problems of reduced rigidity of the partition wall and the influence of the ejected liquid.

Active Publication Date: 2018-10-09
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the height of the communication holes increases, the rigidity of the partition wall separating the communication holes between the communication holes adjacent to each other tends to decrease.
Therefore, the phenomenon that the liquid ejected from one nozzle affects the liquid ejected from adjacent nozzles easily occurs, that is, the so-called crosstalk.

Method used

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Examples

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Embodiment Construction

[0037] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In addition, the embodiments to be described below are defined as preferred concrete examples of the present invention from various aspects; but the scope of the present invention is not limited to these embodiments as long as there is no description particularly limiting the present invention in the following description. In addition, in the following description, an ink jet printer (hereinafter referred to as an ink jet printer (hereinafter referred to printer)—as an example for description.

[0038] will refer to figure 1 The configuration of the printer 1 is described. The printer 1 is an apparatus that performs recording of an image or the like by ejecting ink (a liquid) onto the surface of a recording medium 2 (a landing target) such as recording paper. The printer 1 includes a recording head 3, a carriage 4 to which the recording head 3 is attached,...

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PUM

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Abstract

A liquid ejecting head includes a pressure chamber substrate on which a plurality of spaces as pressure chambers are formed along a first direction; a nozzle substrate on which a plurality of nozzles which eject liquid are formed by corresponding to the pressure chamber; and a flow path substrate on which a plurality of communicating holes which communicate with the nozzle and the pressure chamber which corresponds to the nozzle are formed between the pressure chamber substrate and the nozzle substrate, in which both ends of each pressure chamber in a second direction are formed by being aligned at a predetermined position in the second direction, the nozzles which are adjacent in the first direction are formed so that positions thereof in the second direction are different, and the communicating holes which are adjacent in the first direction are formed so that positions in the second direction are different.

Description

technical field [0001] The present invention relates to a liquid ejection head, such as an inkjet recording head, which ejects liquid in a pressure chamber from a nozzle by causing a pressure change in the pressure chamber communicating with the nozzle. Background technique [0002] Liquid ejection heads are used in image recording apparatuses such as inkjet printers or inkjet plotters; however, in recent years, liquid ejection heads have also been used in Various manufacturing devices. For example, the liquid ejection head is applied to a display manufacturing apparatus for manufacturing color filters of liquid crystal displays, etc., an electrode forming apparatus for forming electrodes of organic electroluminescence (EL) displays, surface emission displays (FED), etc., and for manufacturing biochips ( biotip) chip manufacturing device. In addition, liquid ink is ejected from a recording head for an image recording device, and a solution of each color material of R (red)...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/14B41J2/15
CPCB41J2/14233B41J2/1433B41J2/15B41J2002/14241
Inventor 福田俊也
Owner SEIKO EPSON CORP