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    • 9. 发明授权
    • Ink jet printing head
    • 喷墨打印头
    • US08157356B2
    • 2012-04-17
    • US12499490
    • 2009-07-08
    • Akira YamamotoKatsuhiko TakanoJunji YasudaManabu SueokaToshiaki Hirosawa
    • Akira YamamotoKatsuhiko TakanoJunji YasudaManabu SueokaToshiaki Hirosawa
    • B41J2/335
    • B41J2/1603B41J2/1623B41J2/1626B41J2/1631
    • There is inexpensively and simply provided a highly reliable printing head including a printing element substrate which is located with high positioning precision and therefore causes no occurrence of ink leak regardless of the printing head having a large printing width. An ink jet printing head comprises a plurality of printing element substrates, in each of which a plurality of ejecting openings, printing elements and an ink supply opening are provided, a support member and an ink supply member. The support member is formed of a first member and a second member that is integral with the first member so as to surround the first member, and the support member and the ink supply member are bonded in such a manner that bonding faces of the first member and the second member, and the second member are not in contact with the opening.
    • 低成本且简单地提供了一种高度可靠的打印头,其包括具有高定位精度的打印元件基板,因此不管印刷宽度大的打印头如何,都不会发生墨水泄漏。 喷墨打印头包括多个印刷元件基板,每个印刷元件基板设置有多个喷射口,打印元件和供墨开口,支撑构件和供墨构件。 支撑构件由第一构件和第二构件形成,第一构件和第二构件与第一构件成一体以围绕第一构件,并且支撑构件和供墨构件以这样的方式接合,即第一构件的接合面 并且第二构件和第二构件不与开口接触。