光散射学报, 2017, 29 (1): 85, 网络出版: 2017-04-18  

激光共聚焦扫描显微镜对激光打印文件墨粉厚度的分析研究

The Study of Toner Thickness on Laser Printing Paper Based on Laser Scanning Confocal Microscope
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
摘要
使用激光共聚焦扫描显微镜,对六种品牌和型号的激光打印机分别在打印纸和高光相纸上打印的图文墨粉厚度进行测量。结果表明,测量普通打印纸张上激光打印形成墨粉厚度时,测量数据因纸张纤维凹凸不平的影响有一定波动,相纸上激光打印形成的墨粉厚度测量数据相对稳定,并总结出随着打印文件图文线条宽度与墨粉厚度的变化规律。实验表明激光打印文件墨粉厚度的数据测量具有可行性,同一台激光打印机的打印文件墨粉厚度相对稳定,该指标作为一种重要参数可以为激光打印文件检验提供量化依据,并为打印机的同一认定提供依据。
Abstract
The toner thickness on printing paper,which is printed by six laser printers with printing paper and photographic paper,was measured by laser scanning confocal microscope.The results show that the toner thickness data are fluctuated because of the rough surface of printing paper,whereas the date of photographic paper are more stable.Also the relationship of stroke width and toner thickness are obtained.This research provides a practicability for measuring toner thickness with laser scanning confocal microscope.As an effective factor,toner thickness can offer quantitive evidence for printing document examination and identity the printer combined with other examining method.

柳彬, 秦达, 王晓光, 韩伟, 韩星周, 郝红光. 激光共聚焦扫描显微镜对激光打印文件墨粉厚度的分析研究[J]. 光散射学报, 2017, 29(1): 85. LIU Bin, QIN Da, Wang Xiaoguang, HAN Wei, HAN Xingzhou, HAO Hongguang. The Study of Toner Thickness on Laser Printing Paper Based on Laser Scanning Confocal Microscope[J]. The Journal of Light Scattering, 2017, 29(1): 85.

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