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| 文检仪显现同种同色掩盖字迹条件的初探 | |
| 引用本文： | 李伟,王桂强,梁鲁宁,连园园,张祥福,李迪.文检仪显现同种同色掩盖字迹条件的初探[J].中国司法鉴定,2009(4):27-31. |
| 作者姓名： | 李伟 王桂强 梁鲁宁 连园园 张祥福 李迪 |
| 作者单位： | 1. 中国人民公安大学,北京,100038 2. 公安部物证鉴定中心,北京,100038 3. 常熟市公安局刑事科学技术室,江苏常熟,215500 |
| 摘 要： | 目的研究运用文检仪显现同种同色掩盖字迹的显出条件。方法以黑色签字笔为例,依据不同型号笔的油墨在不同光源下的荧光性质和红外吸收能力的差异,利用文检仪进行分析检验。结果只有在一定条件下被掩盖字迹才能被显出。结论在LUMI=IR红外荧光（兰光）下,只能显现激发荧光的油墨掩盖不能激发荧光的油墨的字迹和激发荧光能力弱的油墨掩盖激发荧光能力强的油墨的字迹;在红外吸收光和365nm长波紫外表面光下,只能显现颜色浅的油墨掩盖颜色深的油墨的字迹。 |
| 关 键 词： | 文检仪 黑色签字笔 同种同色掩盖字迹 显出条件 |
The Conditions for Visualizing Black Gel Pen Writing Obliterated by the Same Class Inks Using a Video Spectral Comparator |
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| LI Wei,WANG Gui-qiang,LIANG Lu-ning,LIAN Yuan-yuau,ZHANG Xiang-fu,LI Di.The Conditions for Visualizing Black Gel Pen Writing Obliterated by the Same Class Inks Using a Video Spectral Comparator[J].Chinese Journal of Forensic Sciences,2009(4):27-31. | |
| Authors: | LI Wei WANG Gui-qiang LIANG Lu-ning LIAN Yuan-yuau ZHANG Xiang-fu LI Di |
| Institution: | 1.Chinese People's Public Security University;Beijing 100038;China;2.Institute of Forensic Science;Ministry of Public Security;3.Public Security Bureau of Changshu;Changshu 215500;China |
| Abstract: | Objective To study the visualizing conditions of the obliterated writing covered by the same class and color inks using a video spectral comparator.Methods Based on the differences of the fluorescent and infrared absorption characters of different gel pens, visualizing conditions were tested by a video spectral comparator.Results Under certain conditions, some obliterated writing could be revealed.Conclusion Under the condition of LUMI = IR infrared fluorescence(blue light), only the unexcited fluorescence ... |
| Keywords: | video spectral comparator black gel pen writing covered by the same class and color inks visualizing condition |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |