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Apparatus and method for improved recovery of latent fingerprints
专利权人:
William Bryon Stones
发明人:
William Bryon Stones
申请号:
US13309934
公开号:
US09027259B2
申请日:
2011.12.02
申请国别(地区):
US
年份:
2015
代理人:
摘要:
Hydrating an object bearing a latent fingerprint and then selectively drying the object leaving the fingerprint hydrated. The hydrated fingerprint is then coated with cyanoacrylate ester, preferably in a heat accelerated cyanoacrylate ester vacuum chamber. Hydrating is preferably accomplished by chilling the object below a dew point and then exposing the object to humidified air to condense a thin uniform layer of water over the object and latent fingerprint. Drying is preferably done with a vacuum. After drying reaches the preferred state, the CE is heated and coats the condensation-hydrated latent fingerprint. Preferably, the method is implemented in an automated system using one computer-controlled chamber for chilling, condensing, vacuum drying, and CE coating the latent fingerprint. The operator simply puts the object in the chamber, initiates the process by computer, and is prompted by the computer to remove the recovered latent print. Prints unrecoverable by prior art means are recovered.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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