线条状痕迹检验方法探究

Research on Testing Method of Line Trace

线条状痕迹是刑事案件现场中常见的痕迹之一,对于线条状痕迹的检验往往应用比对显微镜来进行。比对显微镜是光学显微镜,受放大倍数、分辨率、景深和光照影响,观察粗大明显线条痕迹效果较好,对于更微区的线条状痕迹以及少量的线条状痕迹就没有能力检测,扫描电镜具有高放大率,高分辨率,而且不受光照影响。检验线条状痕迹效果好,方法简便。

The line shape is one of the common traces in the field of criminal cases, for the inspection of the traces of the line is often used to compare the microscope. Comparison microscope is an optical microscope, the magnification, resolution, depth of field and the effect of light, good observation thick lines for the more obvious effect, micro line traces and a small amount of line like traces have the ability to detect scanning electron microscopy with high resolution, high magnification, and is not affected by illumination. Check the effect of the line shape is good, the method is simple.