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    • 1. 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。