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    • 4. 发明授权
    • Ink jet printing head and apparatus incorporating the same
    • 喷墨打印头及其结合的装置
    • US5988800A
    • 1999-11-23
    • US992040
    • 1992-12-17
    • Yasushi EmaHisayoshi FujimotoNobuhisa IshidaToshio AmanoAkihiro ShimokataShinsaku Takada
    • Yasushi EmaHisayoshi FujimotoNobuhisa IshidaToshio AmanoAkihiro ShimokataShinsaku Takada
    • B41J2/045B41J2/055B41J2/14C03C15/00
    • C03C15/00B41J2002/14266
    • An ink jet printing head which both realizes a higher density and prevents a failure in ink jetting and deterioration in the printing quality. A photosensitive glass substrate which allows anisotropic etching is provided with a multiplicity of individual ink passages each having a narrow width and a large depth formed in an array by anisotropic etching in such a manner that each extends from the rear end of the glass substrate to the forward end thereof. A diaphragm is attached to the surface of the glass plate on which the individual ink passages are formed in such a manner as to cover all the individual ink passages. A common electrode is provided on the diaphragm, and individual piezoelectric elements are fixed to the common electrode at the portions corresponding to the individual ink passages. Individual electrodes are provided on the respective individual piezoelectric elements.When a voltage is applied to the common electrode and the individual electrode, the portion of the diaphragm corresponding to the individual electrode is bent and deformed, so that the ink storing capacity of the corresponding individual ink passage is reduced and some of the ink in the individual ink passage is forced out.
    • 一种喷墨打印头,其实现更高的密度并防止喷墨故障和打印质量的劣化。 允许各向异性蚀刻的感光性玻璃基板设置有多个单独的墨通道,每个墨通道具有窄的宽度和大的深度,通过各向异性蚀刻以阵列形式形成,从而从玻璃基板的后端延伸到 其前端。 以形成各个墨水通道的玻璃板的表面附着隔膜,以覆盖所有单独的墨水通道。 公共电极设置在隔膜上,各个压电元件在对应于各个墨水通道的部分固定到公共电极。 在各个压电元件上设置单独的电极。 当向公共电极和单独电极施加电压时,与各个电极相对应的隔膜的部分弯曲变形,从而相应的单个墨水通道的墨水储存能力降低,并且一些墨水 单独的墨水通道被迫熄灭。
    • 6. 发明授权
    • Ink jet printing head
    • 喷墨打印头
    • US5637126A
    • 1997-06-10
    • US408150
    • 1995-03-20
    • Yasushi EmaHisayoshi FujimotoNobuhisa IshidaToshio AmanoAkihiro ShimokataShinsaku Takada
    • Yasushi EmaHisayoshi FujimotoNobuhisa IshidaToshio AmanoAkihiro ShimokataShinsaku Takada
    • B41J2/045B41J2/055B41J2/14C03C15/00C03C23/00H01L21/312
    • C03C15/00B41J2002/14266
    • A method is disclosed for producing an ink jet print head which both realizes a higher density and prevents a failure in ink jetting and deterioration in the printing quality. A multiplicity of individual ink passages, each having an narrow width and a large depth, are formed in an array by anisotropic etching a photosensitive glass substrate. A diaphragm is attached to the surface of the glass substrate so as to cover the individual ink passages. A common electrode is provided on the diaphragm, and individual piezoelectric elements are fixed to the common electrode at the portions corresponding to the individual ink passages. Individual electrodes are provided on the respective individual piezoelectric elements. A voltage applied to the common electrode and an individual electrode causes a portion of the diaphragm to corresponding to the individual electrode to be bend and deformed. The ink storing capacity of the corresponding individual ink passage is reduced and some of the ink is forced out.
    • 公开了一种用于制造喷墨打印头的方法,它们都实现了更高的密度,并且防止喷墨失败和打印质量的劣化。 通过对感光性玻璃基板进行各向异性蚀刻,形成具有宽度窄,深度大的多个墨水通道。 隔膜附着在玻璃基板的表面上,以覆盖各个墨水通道。 公共电极设置在隔膜上,各个压电元件在对应于各个墨水通道的部分固定到公共电极。 在各个压电元件上设置单独的电极。 施加到公共电极和单独电极的电压使得隔膜的一部分对应于单个电极弯曲和变形。 相应的单个墨水通道的墨水储存能力降低,并且一些墨水被迫出来。