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随着改革开放的深入发展,人民生活水平日益提高,家庭、社会环境设施不断得到改善,高档次家具和办公用具、地毯、地板革等普遍进入家庭、机关单位。在刑事案件现场上,犯罪分子涉足过的地毯、地板革、水泥地面、铁板、木制地板、衣物上遗留下的、不易识别的潜在鞋印、足印越来越多,给刑事技术发现、拍照这些痕迹造成极大的困难,以致有些重要的痕迹由于直观不能发现而无法提取,失去了重要的罪证。为适应同刑事犯罪斗争的需要,沈阳市刑事科学技术研究所经过探索、研究,反复进行科学实验,终于研制出《TY-2型静电吸迹器》。它不仅为凹凸不平客体和软质客体上潜在足迹提取提供了新方法,而且解决了潜在鞋印、足印发现、提取的难题。
With the deepening of the reform and opening up, people’s living standards have been increasing day by day. Family and social environment facilities have been continuously improved. High-grade furniture, office furniture, carpets, and floor coverings have generally entered families and agencies. At the scene of criminal cases, criminals involved in the carpet, leather flooring, concrete floors, iron, wooden floors, clothing left behind, not easy to identify potential Shoe marks, footprints more and more to the criminal technology found , Photographing these marks has caused great difficulties, so that some important marks can not be extracted because of their inability to be found visually. They have lost their important evidence of evidence. In order to meet the need of struggling with criminal activities, Shenyang Institute of Criminal Science and Technology has made “TY-2 type electrostatic tracer” through exploration, research and repeated scientific experiments. It not only provides a new method for extracting potential footprints on uneven objects and soft objects, but also solves the problems of potential shoe footprint, foot print discovery and extraction.