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Liquid ejection head and liquid ejection apparatus

A liquid ejection head, liquid technology, applied in printing, typewriter and other directions, can solve the problems of uneven liquid ejection amount, different liquid ejection characteristics, etc.

Active Publication Date: 2014-06-25
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This pressure distribution contributes to the distribution of the pressure change between the pressure chambers, resulting in differences in the liquid ejection characteristics between the nozzle openings, resulting in unevenness in the liquid ejection amount.

Method used

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  • Liquid ejection head and liquid ejection apparatus
  • Liquid ejection head and liquid ejection apparatus
  • Liquid ejection head and liquid ejection apparatus

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Embodiment Construction

[0016] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0017] figure 1 It is an external perspective view of an electronic equipment device 100 including an inkjet recording device 10 that is an example of a liquid ejecting device according to the present embodiment.

[0018] The inkjet recording apparatus 10 is an apparatus that conveys the recording medium S along the vertical direction V and performs recording. Here, the conveying direction of the recording medium S may be a direction having an included angle with the vertical direction V. As shown in FIG. The vertical direction V and the horizontal direction H are shown in the figure.

[0019] exist figure 1 Among them, the electronic device 100 includes an inkjet recording device 10 and a display 20 . In this embodiment, the inkjet recording device 10 is arranged on the back of the display 20 in order to save space.

[0020] The inkjet recor...

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PUM

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Abstract

An ink introducing port is provided on the upstream side of the center of a row of pressure chambers in the direction of gravity g, the pressure due to ink introduction is applied to a region where the influence by the head is small.

Description

[0001] This application claims priority from Application No. 2010-032151 filed in Japan on February 17, 2010, the entire contents of which are incorporated herein. technical field [0002] The present invention relates to a liquid ejection head and a liquid ejection device. Background technique [0003] As a typical example of a liquid jet head, as disclosed in Japanese Patent Laid-Open No. 2000-62164, ink is supplied from an ink inlet port to a plurality of pressure chambers via a manifold, that is, a water tank. The water tank is a common ink chamber for supplying ink to each pressure chamber, and is formed to extend long along the row direction of the pressure chambers. In addition, as disclosed in Japanese Patent Application Laid-Open No. 10-272770, the inkjet recording head is arranged obliquely at 45 degrees or arranged vertically in a liquid ejecting device, that is, an inkjet recording device. [0004] However, in the liquid ejecting device, if the nozzle row direct...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/045
CPCB41J2/14274B41J2002/14419B41J3/445
Inventor 小林丰
Owner SEIKO EPSON CORP