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1.发明授权
公开(公告)号：US5421871A
公开(公告)日：1995-06-06
申请号：US131096
申请日：1993-10-01
CPC分类号： C09D11/30
摘要： An ink composition for ink jet recording comprising a dye, 1 to 10% by weight of glycerin, 1 to 5% by weight of a monohydric alcohol having 4 or less carbon atoms, 0.5 to 10% by weight of 1,3-dimethyl-2-imidazolidinone and 75 to 95% by weight of water. The ink composition of the present invention can offer a good balance of properties required of the ink jet recording ink, especially quality of the print, dryability of the print, water-resistance of the print, storage stability and a property that does not attack members constituting a recording head and an ink passage.
摘要翻译： 一种用于喷墨记录的油墨组合物，包括1至10重量％的甘油，1至5重量％的具有4个或更少碳原子的一元醇的染料，0.5至10重量％的1,3-二甲基 - 2-咪唑啉酮和75至95重量％的水。 本发明的油墨组合物可以提供喷墨记录油墨所需性能的良好平衡，特别是印刷质量，印刷的可干性，印刷品的耐水性，储存稳定性和不侵蚀构件的性质 构成记录头和墨水通道。
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公开(公告)号：US5184155A
公开(公告)日：1993-02-02
申请号：US611620
申请日：1990-11-09
CPC分类号： B41J2/14282 , B41J2002/14387
摘要： An ink jet print head in which a portion along which both piezoelectric conversion elements and a nozzle forming member are adhesively fixed is positioned at least a distance exceeding that of a stress concentration region toward a base portion of the piezoelectric conversion elements from a vibrating fulcrum of the piezoelectric conversion elements. As a result, any thermally induced stress concentration in the piezoelectric conversion elements is diffused over the adhesively fixed stress that acts backward of such stress concentration region. This prevents each piezoelectric conversion element from being deformed, thereby contributing to eliminating variations in the nozzle gap.
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