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A liquid jet channel

A jet flow and liquid technology, applied in the field of MEMS technology, can solve the problems of untimely ink supply and insufficient ink supply speed of the printing head, and achieve the effect of increasing capillary action area, timely ink supply and good printing quality

Active Publication Date: 2022-07-08
苏州印科杰特半导体科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to solve the problems that the ink supply of the existing printing head is not timely, the ink supply speed is not enough, etc.

Method used

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  • A liquid jet channel
  • A liquid jet channel
  • A liquid jet channel

Examples

Experimental program
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Embodiment 1

[0033] like figure 2 , image 3 As shown in the right figure: a liquid jet flow channel, including a base layer 1, a cavity wall layer 2 and an orifice layer 3, the base layer 1 is provided with an ink inlet channel in the middle, and the cavity wall layer 2 is provided with a pressure chamber, The jet hole layer 3 is provided with jet holes, the base layer 1 is provided with a cavity wall layer 2 and a jet hole layer 3 in sequence, and the pressure chamber is communicated with the ink inlet channel and the orifice respectively, and the cross section of the ink inlet channel is: Curved type, which includes a base rectangular portion 11, a base extension portion a12 and a base extension portion b13, a plurality of base extension portions a12 are respectively provided on both sides of the base rectangular portion 11 in the width direction, and both ends of the base rectangular portion 11 in the longitudinal direction are provided. One base extension b13 is provided, respective...

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PUM

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Abstract

The invention discloses a liquid jetting flow channel, which belongs to the technical field of MEMS technology. It includes a base layer, a cavity wall layer and an orifice layer. An ink inlet channel is arranged in the middle of the base layer, and a pressure cavity is arranged in the cavity wall layer. The jet hole layer is provided with jet holes, the base layer is provided with a cavity wall layer and a jet hole layer in turn, the pressure chamber is communicated with the ink inlet channel and the jet hole respectively, and the cross section of the ink inlet channel is curved, which includes A base rectangular portion, a base extension portion a and a base extension portion b, a plurality of base extension portions a are respectively provided on both sides of the base rectangular portion in the width direction, and a base extension portion b is respectively provided at both ends of the base rectangular portion in the length direction; The invention has better printing quality, higher printing precision, timely ink supply, can completely fill the flow channel, and improve the inkjet quality.

Description

technical field [0001] The invention discloses a liquid jet flow channel, which belongs to the technical field of MEMS technology. Background technique [0002] The main element of the print head of an ink jet printer is a nozzle plate, which includes an ink supply channel, an ejection chamber and an ejection port for ejecting ink from the print head. Due to the widespread use of inkjet printers, in order to improve inkjet efficiency and reduce manufacturing costs, the nozzle plate has undergone significant design changes. In an attempt to accommodate high-speed printing and the high definition of the printed image, the design of the nozzle plate has also changed. While improvements in printhead design have enabled printheads to achieve higher resolution at higher print speeds, such improvements have presented new problems relative to the cost of manufacturing the nozzle plate due to the complexity of the design. The degree has increased so that, for the design of more com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/14
CPCB41J2/14016B41J2/1404
Inventor 陆安江张孝宇
Owner 苏州印科杰特半导体科技有限公司
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