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Inkjet head and methods of manufacturing the inkjet head

A manufacturing method and inkjet head technology, which can be applied in printing and other directions, and can solve problems such as contact between ink and electrodes

Inactive Publication Date: 2015-07-15
TOSHIBA TEC KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, even with this technology, once the ink comes into contact with the oil, the oil may dissolve in the ink and the ink may come into contact with the electrode

Method used

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  • Inkjet head and methods of manufacturing the inkjet head
  • Inkjet head and methods of manufacturing the inkjet head
  • Inkjet head and methods of manufacturing the inkjet head

Examples

Experimental program
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Embodiment Construction

[0018] One embodiment of an inkjet head and a method of manufacturing the inkjet head will be described in detail below using the drawings.

[0019] The inkjet head for forming an image according to this embodiment includes: a substrate; a piezoelectric element having a comb-shaped side wall, a pressure chamber formed by the side wall, and a pressure chamber electrode that is an electrode provided inside the pressure chamber. The substrate electrode is an electrode connected to the pressure chamber electrode and arranged on the substrate; the frame body is arranged on the substrate electrode and has a mounting portion for installing a mask around the periphery; a resin film covers the pressure chamber electrode and the substrate an electrode with an end extending to the mounting part; a nozzle plate having ink ejection holes for ejecting ink and mounted to the frame via a resin film; and an adhesive layer covering the end of the resin film and bonding with the mask .

[0020]...

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PUM

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Abstract

An inkjet head comprises a pressure chamber, piezoelectric elements, and pressure chamber electrodes disposed on an interior side of the pressure chamber, the pressure chamber electrodes being configured to apply a driving voltage to the piezoelectric elements. The inkjet head also includes a nozzle plate adhered to the frame body with the resin film. The nozzle plate includes an ink discharge hole configured to discharge ink. The inkjet head includes a frame body including an attaching part to which a mask that surrounds the outer perimeter of the inkjet head is to be attached. The inkjet head also includes a resin film that coats the pressure chamber electrodes and that includes an end portion that extends to and covers the attaching part. The inkjet head also includes a layer that coats the end portion of the resin film and by which the mask is to be adhered to the frame.

Description

[0001] Cross References to Related Applications [0002] The applicant is based on and claims the priority benefit of the Patent Application for Invention No. 2012-029156 filed with the Japan Patent Office on February 14, 2012, the entire contents of which are hereby incorporated by reference. technical field [0003] Embodiments of the present invention relate to an inkjet head and a method of manufacturing the inkjet head. Background technique [0004] The inkjet head includes a plurality of side walls formed of piezoelectric elements with different polarities bonded up and down, and electrodes provided on the side walls. The side walls are elastically deformed by the voltage applied to the electrodes, and the volume of the pressure chamber formed by the side walls is changed by the deformation. Suction and discharge of ink are performed by the volume change of the pressure chamber. [0005] Here, since it is possible to use water-soluble inks, the electrodes need to be ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/14B41J2/16
CPCB41J2/1621Y10T29/49401B41J2/1609B41J2/14201B41J2002/14491B41J2/1632B41J2/14209B41J2002/14362B41J2/1623B41J2/1606
Inventor 星野友纪山本敬三郎古谷田实大石直树
Owner TOSHIBA TEC KK