摘要
朱墨时序检验是文件形成时间检验技术的重要组成部分之一,随着涉及喷墨打印文件的案件增多,为有效解决在喷墨打印文件中朱墨时序检验难、难检验的问题,将薄膜干涉原理应用在朱墨时序文件检验中,探索研究一种朱墨时序检验中的新特征。针对打印机的类型、印章印油的种类、印文材料、光线等方面,寻找薄膜干涉现象对朱墨时序的影响,分析朱墨时序现象形成的原因。通过显微镜检验法观察不同条件下黄绿干涉条纹的表现,进行综合比较分析。结果表明,先墨后朱比先朱后墨的薄膜干涉现象更为明显,以此可以判断薄膜干涉现象对朱墨时序检验具有应用价值,可为印刷文件和印章的先后顺序判断提供参考和借鉴。
Cinnabar stick sequence checking is one of the most important parts of document formation time checking technology. As the number of cases involving ink-jet printed documents increases, in order to effectively solve the problem that it is difficult to test the sequence of ink in ink-jet printing documents, the principle of thinfilm interference is applied to the sequence of ink documents, and exploring a new feature in cinnabar stick sequence. In view of the printer type, the seal oil type, the seal material, the light and so on, the thin film interference phenomenon to the ink time sequence influence is sought and the ink time sequence phenomenon formation reason is analyzed. Through observing the appearance of yellow-green interference fringes under different conditions by microscope examination, a comprehensive comparison and analysis is made. The results show that the thin film interference phenomenon is more obvious in the document which is printed first and then stamped than in the document which is stamped first and then printed. It can be concluded that the thin film interference phenomenon is valuable for cinnabar stick sequence checking, and can provide reference for the sequence judgment of printing documents and seals.
作者
余琳
YU Lin(Criminal Investigation Police University of China,Shenyang 110854,China)
出处
《光电技术应用》
2020年第2期16-23,共8页
Electro-Optic Technology Application
基金
科技部国家重点研发专项项目(2017YFC0821005)
辽宁省自然科学基金项目(2019-ZD-0168)
中国刑事警察学院重大计划培育项目(D2019005)
中国刑事警察学院教研项目(2018QNZX19)。
关键词
朱墨时序
朱墨时序特征
薄膜干涉
显微观察法
cinnabar stick sequence
characteristics of the ink time sequence
thin film interference
microscopic observation
