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Sound control ink jet printing method and system for improving printing homogenenous degree

An inkjet printing and acoustic wave technology is applied in the field of acoustic wave power output of a power level control system, which can solve problems such as system unevenness, influence on operation uniformity, and adverse effect on operation uniformity, and achieve the effect of reducing density

Inactive Publication Date: 2003-12-24
XEROX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, non-uniform thickness of the piezoelectric element may affect the uniformity of operation through the print head
In addition, certain intrinsic properties of piezoelectric elements such as the electromechanical coupling constant (which determines the coupling of electrical signals and acoustic waves) may also vary from element to element and thus adversely affect uniformity of operation
[0007] Another cause of non-uniformity in the system is the wiring pattern usually printed on the print head

Method used

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  • Sound control ink jet printing method and system for improving printing homogenenous degree
  • Sound control ink jet printing method and system for improving printing homogenenous degree
  • Sound control ink jet printing method and system for improving printing homogenenous degree

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Embodiment Construction

[0025] Referring to the accompanying drawings below, the accompanying drawings are only used to illustrate preferred embodiments of the present invention, and are not intended to limit the present invention. FIG. 1 is a view of an exemplary voice-activated inkjet printing element 10 applicable to the present invention. Of course, other structures may also be applicable to the present invention.

[0026] As shown, element 10 includes a glass layer 12 overlaid with an electrode layer 14 . A piezoelectric layer 16 is preferably formed of zinc oxide and disposed on electrode layer 14 , and electrodes 18 are disposed on piezoelectric layer 16 . Electrode layer 14 and electrodes 18 are connected by a surface wiring pattern schematically indicated at 20 and cables 22 to an RF power source 24 which generates power to the electrodes 14 and 18 . On the opposite side of the electrode layer 14 is a lens preferably formed by a concentric Fresnel lens. Spaced from the lens 26 is a level c...

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Abstract

An acoustic ink method and system are provided for improving the uniformity in an acoustic ink printing system by manipulating nonlinear characteristics of the system. The method includes operating the system at a power level that is above the power level at which the nonlinearity of the system is initiated.

Description

field of invention [0001] The present invention relates to an acoustically controlled inkjet printing method and system for improving print uniformity by controlling the non-linear characteristics of the system. power output. Various techniques are used in the present invention to achieve this, including reducing (non-linearly) the starting power level and / or increasing the operating or output power level such that the operating power level exceeds the starting power level. Background technique [0002] Although the present invention is particularly concerned with voice-activated inkjet printing technology and is therefore presented with particular reference thereto, it will be recognized that the present invention may also be useful in other fields and applications. [0003] According to the technical background introduction, acoustic inkjet printing involves ejecting ink droplets from an ink cartridge onto a print medium. Sound waves are generated and focused onto the in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/015B41J2/04B41M5/00
CPCB41J2/04
Inventor B·B·哈迪米奥格卢
Owner XEROX CORP
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