摘要
目的利用真空金属镀膜法和"502"胶熏显法之间的空间互补性原理,考察显现杂色背景客体表面潜手印过程中遇到的杂色背景干扰问题。方法对杂色背景客体表面的同一枚手印分别采用紫外照相、"502"胶熏显、真空镀膜方法处理,比较去除背景干扰能力。结果采用"502"胶熏显,真空金属镀膜后期增强处理,能够使指纹纹线清晰连贯,并能有效消除背景杂色干扰。结论该方法可有效消除背景杂色干扰,清晰显现有彩色背景的易拉罐、照片纸等客体上的指纹。
In this study,fingerprints on colored surfaces were developed by cyanoacrylate fuming and then the images were enhanced by vacuum metal deposition.The results showed that combination of cyanoacrylate fuming and vacuum metal deposition was an effective means to detection latent fingerprints on colored surfaces.
出处
《刑事技术》
2013年第6期16-18,共3页
Forensic Science and Technology
基金
公安部物证鉴定中心基本科研业务费专项资金重点项目(No.2009JB005)
