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Liquid discharge head, liquid discharge device, and image forming device

A liquid discharge head and liquid discharge technology, applied in printing and other directions, can solve the problems of high manufacturing cost and poor output rate, and achieve the effect of cheap manufacturing and high-speed printing

Inactive Publication Date: 2007-10-31
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Yield becomes poor and manufacturing cost becomes high since tilting or breaking of the piezoelectric element tends to occur

Method used

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  • Liquid discharge head, liquid discharge device, and image forming device
  • Liquid discharge head, liquid discharge device, and image forming device
  • Liquid discharge head, liquid discharge device, and image forming device

Examples

Experimental program
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Effect test

Embodiment Construction

[0049] Embodiments of the present invention will now be described with reference to these drawings.

[0050] The composition of the ink jet head as the liquid discharge head in the first embodiment of the present invention will be described below with reference to FIGS. 1 and 2. FIG. 1 is an exploded perspective view of an inkjet head, and FIG. 2 is a sectional view of the inkjet head taken along a longitudinal direction of a liquid chamber in the inkjet head of FIG. 1 .

[0051] As shown in Figures 1 and 2, the inkjet head of this embodiment includes a channel plate (liquid chamber plate) 1 made of a SUS (stainless steel) plate, a partition plate 2 bonded on the bottom surface of the channel plate 1, and Nozzle plate 3 glued on the upper surface of channel plate 1 . Through these plates 1 to 3, a plurality of nozzles 5, a plurality of pressurized liquid chambers 6, and a plurality of flow resistance portions 8 are formed. Each nozzle 5 serves to discharge ink droplets (ie, ...

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PUM

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Abstract

A liquid discharge head comprises a base member, a plurality of nozzles which discharge drops of a liquid, a plurality of liquid chambers which communicate with the plurality of nozzles respectively, and a plurality of piezoelectric elements generating a pressure to pressurize the liquid in each of the plurality of liquid chambers. In the liquid discharge head, a plurality of piezoelectric element members in which the plurality of piezoelectric elements are formed with grooves in columns by slot processing are arranged on the base member in rows along a direction of the columns of the plurality of piezoelectric elements.

Description

technical field [0001] The present invention relates to a liquid discharge head, a liquid discharge device, and an image forming apparatus. Background technique [0002] Conventionally, in various image forming apparatuses such as printers, facsimiles, copiers, plotters, and multifunction peripherals, a liquid discharge head for discharging liquid to a recording medium to form an image on the recording medium is installed. [0003] In the following, a liquid discharge device refers to a device for discharging liquid droplets to a recording medium. The recording medium can be paper, yarn, fiber, fabric, leather, metal, plastic, glass, wood, ceramics, and the like. The recording medium is also referred to as printing medium, copy paper, or the like. And these are used as synonyms to represent this material. The term "recording" means not only generating meaningful images such as characters and pictures on a recording medium but also generating meaningless images such as pat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/045B41J2/055
Inventor 桥本宪一郎山口清
Owner RICOH KK