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    • 21. 发明授权
    • Jet ink process and ink composition fluorescent in ultraviolet light
    • 喷墨工艺和墨水组成在紫外线下荧光
    • US4243694A
    • 1981-01-06
    • US919228
    • 1978-06-26
    • Ishwar R. Mansukhani
    • Ishwar R. Mansukhani
    • G09F13/42B41J2/01B41M5/00C09D11/00G01D15/18B05D1/04
    • C09D11/50C09D11/328G01D15/18
    • Ink compositions suitable for ink jet printing on metal, plastic, or paper surfaces, the ink characterized by fluorescent properties in ultraviolet light, incorporating, in solution, a resin component, at least one solvent, proportioned to give the ink properties of heat and steam resistance, said inks are colorless in ordinary light and distinctly fluorescent in ultraviolet light so as to render them particularly suitable as a means for marking various materials whereby marking is normally invisible but easily detectable when subjected to ultraviolet illumination.According to another of its aspects, this invention is a process for information recording comprising producing a fine jet of liquid, directing a jet of colorless liquid onto a recording medium modulating the density of the applied jet by an electric field in accordance with the information to be recorded, thereby recording said information.
    • 适用于在金属,塑料或纸张表面上进行喷墨印刷的油墨组合物,其特征在于在紫外光下具有荧光性质的油墨,在溶液中加入树脂组分,至少一种溶剂,其比例成分以赋予热和蒸汽的油墨特性 所述油墨在普通光线下是无色的,在紫外线下是明显的荧光,以使它们特别适合作为标记各种材料的装置,因为标记通常是不可见的,但是当经受紫外线照射时容易被检测到。 根据本发明的另一方面,本发明是一种信息记录方法,包括产生精细的液体射流,将无色液体射流引导到记录介质上,该记录介质根据以下信息通过电场调制施加射流的密度: 记录,从而记录所述信息。