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    • 51. 发明授权
    • Method of manufacture of ink jet recording head with an elastic member in the liquid chamber portion of the substrate
    • 在基板的液体室部分中制造具有弹性部件的喷墨记录头的方法
    • US06305080B1
    • 2001-10-23
    • US09215738
    • 1998-12-17
    • Hirokazu KomuroTakashi FujikawaKen TsuchiiNorio OhkumaHideto YokoiShuichi Murakami
    • Hirokazu KomuroTakashi FujikawaKen TsuchiiNorio OhkumaHideto YokoiShuichi Murakami
    • H05B306
    • B41J2/14129B41J2/1604B41J2/1626B41J2/1631B41J2/1642B41J2/1646Y10S29/016Y10T29/49083Y10T29/49401
    • A method for manufacturing an ink jet recording head, which is provided with orifices for liquid discharge use, nozzles communicated with the orifices, electrothermal converting members arranged in the nozzles to form bubbles in the liquid by providing thermal energy for it, the liquid chamber communicated with the nozzles to supply liquid to the nozzles and a substrate having the electrothermal converting members provided therefor, comprises the steps of preparing the substrate to be a silicon substrate having (100) plane or (110) plane crystal axes therefor, forming organic resin layer at least in the liquid chamber on the silicon substrate, then, removing by means of anisotropic etching a part of the liquid chamber formation portion of the substrate from the reverse side of the formation surface of the organic resin layer and forming an elastic member portion formed by the membrane of the organic resin layer in the liquid chamber. With the method of manufacture thus arranged, it is possible to provide an ink jet recording head capable of performing stable discharges for a long-term use with the incorporation of such elastic member portion in the liquid chamber to absorb the pressure vibration caused by the performance of ink discharges and to suppress the resultant vibrations of menisci at the discharge ports.
    • 一种制造喷墨记录头的方法,其具有用于排液用孔,与孔连通的喷嘴,设置在喷嘴中的电热转换构件,通过为其提供热能而在液体中形成气泡,液室连通 喷嘴向喷嘴供给液体,并且具有为此设置的电热转换部件的基板包括以下步骤:将基板准备为具有(100)平面或(110)平面晶轴的硅基板,形成有机树脂层 至少在硅衬底上的液体室中,然后从有机树脂层的形成表面的相反侧通过各向异性蚀刻去除衬底的液体室形成部分的一部分,并形成形成的弹性构件部分 通过液体室中的有机树脂层的膜。 通过如此布置的制造方法,可以提供一种喷墨记录头,其能够在液体室中结合这种弹性构件部分的同时执行稳定的放电以长期使用以吸收由该性能引起的压力振动 的墨水排出并抑制在排出口处产生的半月板的合成振动。
    • 55. 发明授权
    • Liquid jet recording head
    • 液体喷射记录头
    • US5455612A
    • 1995-10-03
    • US299798
    • 1994-09-01
    • Masami IkedaHiroto MatsudaHirokazu KomuroHiroto TakahashiMakoto ShibataHisanori Tsuda
    • Masami IkedaHiroto MatsudaHirokazu KomuroHiroto TakahashiMakoto ShibataHisanori Tsuda
    • B41J2/05B41J2/14
    • B41J2/14129B41J2202/03
    • A liquid jet recording head comprises a substrate comprising a support, a resistive heater layer, electrodes electrically connected with the resistive heater layer, a portion of the resistive heater layer located between the electrodes being an electrothermal transducer, and an upper layer comprising a first protective layer comprising an inorganic insulating material, a second protective layer comprising an inorganic material, and a third protective layer comprising an organic material, wherein and the second protective layer and the third protective layer overlap each other in the vicinity of a portion where heat is generated by the electrothermal transducer and the overlapping width of the second protective layer and the third protective layer ranges from 10 .mu.m to 500 .mu.m. In another embodiment, the second protective layer extends along plural liquid flow paths for substantially less than the length thereof in a continuous strip that covers adjacent transducers.
    • 一种液体喷射记录头,包括一个基片,包括一个支架,一个电阻加热器层,与该电阻加热器层电连接的电极,位于电极之间的电阻加热器层的一部分是一个电热转换器,以及一个上层, 包含无机绝缘材料的层,包含无机材料的第二保护层和包含有机材料的第三保护层,其中第二保护层和第三保护层在产生热量的部分附近彼此重叠 通过电热换能器,第二保护层和第三保护层的重叠宽度为10〜500μm。 在另一个实施例中,第二保护层沿着覆盖相邻换能器的连续条带中的多个液体流动路径大体上小于其长度。