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Printheads and systems using printheads

A printing head and component technology, applied in printing, inking devices, etc., can solve problems such as design complexity and achieve the effect of prolonging downtime

Active Publication Date: 2010-05-26
FUJIFILM DIMATIX
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Large piezoelectric wall areas require correspondingly large pump chambers, which complicates design aspects such as maintaining small orifice spacing for high-resolution printing

Method used

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  • Printheads and systems using printheads
  • Printheads and systems using printheads
  • Printheads and systems using printheads

Examples

Experimental program
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Embodiment Construction

[0024] figure 1 A schematic diagram showing a printing line 10 including a print head group 100 is shown. Printhead stack 100 is positioned relative to a continuous web substrate 18 such that jetting assemblies within the printhead stack deposit ink droplets 20 onto the substrate as the substrate moves beneath the printhead stack (in the x-direction). . The printing line 10 includes a roller member 16 for supporting a continuous web substrate 18 and moving the substrate under the printhead stack. The printhead array 10 is sufficiently large that the jetting assemblies within the array span across the connected web substrate.

[0025] In some embodiments, printing pipeline 10 also includes additional printhead banks (eg, two or more printhead banks, three or more printhead banks, four or more printhead banks).

[0026] The control module 12 and the supply reservoir 14 are connected to the printhead stack 100 . Control module 12 includes electronic control devices and a user...

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PUM

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Abstract

In general, in one aspect, the invention features an apparatus, including a jetting assembly that has a plurality of nozzles capable of ejecting droplets, a frame configured to position the jetting assembly within the apparatus, and an element that forms a seal between the frame and the jetting assembly.

Description

technical field [0001] The present invention relates to printheads and systems employing printheads. Background technique [0002] Inkjet printers typically include an ink passage from an ink supply to a nozzle passage. The nozzle channels terminate in nozzle holes that eject ink droplets. Ink drop ejection is controlled by pressurizing the ink within the ink passage with an actuator, which may be, for example, a piezoelectric deflector, a thermal bubble jet generator, or an electrostatic deflection element. A typical printhead includes a reservoir and a jetting assembly. The jetting assembly includes an array of ink passages with corresponding nozzle holes and associated actuators, and the ejection of ink drops from each nozzle hole can be independently controlled. In a drop-on-demand printhead, as the jetting assembly and print substrate move relative to each other, individual actuators are activated to selectively eject ink drops onto specific pixel locations of an ima...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/14B41J2/16
CPCB41J2002/14362B41J2/1631B41J2/14201B41J2202/19B41J2202/20B41J2/16B41J2/1433
Inventor 理查德·贝克罗伯特·G·帕利夫卡爱德华·R·莫伊尼汉诺尔玛·泰伯
Owner FUJIFILM DIMATIX