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    • 9. 发明公开
    • 역류를 억제하기 위한 구조를 가진 리스트릭터와 이를구비한 잉크젯 헤드
    • 具有防止回流的结构的限制器和具有其的喷嘴头
    • KR1020080050121A
    • 2008-06-05
    • KR1020060120958
    • 2006-12-01
    • 삼성디스플레이 주식회사
    • 위상권오세영정재우송미정
    • B41J2/17B41J2/045
    • B41J2/055B41J2/14233B41J2002/14306B41J2202/11
    • A restrictor with a structure for preventing back flow and an ink-jet head having the same are provided to achieve smooth refilling of ink by reducing flow resistance of ink. A piezoelectric ink-jet head includes an ink channel and a piezoelectric actuator(140). The ink channel is formed on a channel forming plate(100) and includes an ink inlet(161), a plurality of pressure chambers(164), a manifold(162) connected to the ink inlet, a plurality of restrictors(163) which connect each of the pressure chambers to the manifold and have a plurality of protrusions(172) inside to increase flow resistance of ink which flows from the pressure chambers to the manifold, and a plurality of nozzles(166) connected to the pressure chambers. The piezoelectric actuator is located at a position of the channel forming plate corresponding to the pressure chambers.
    • 提供具有用于防止回流的结构的限制器和具有该限流器的喷墨头,以通过降低油墨的流动阻力来平滑地重新填充油墨。 压电喷墨头包括墨水通道和压电致动器(140)。 墨水通道形成在通道形成板(100)上,并且包括墨水入口(161),多个压力室(164),连接到墨水入口的歧管(162),多个限制器(163) 将每个压力室连接到歧管并且在内部具有多个突起(172),以增加从压力室流到歧管的油墨的流动阻力,以及连接到压力室的多个喷嘴(166)。 压电致动器位于与压力室对应的通道形成板的位置。