Method and apparatus for fingerprint detection
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United States of America Patent
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Jan 29, 2008
Grant Date -
Nov 17, 2005
app pub date -
Oct 21, 2003
filing date -
Oct 21, 2002
priority date (Note) -
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Abstract
A portable apparatus for detecting latent fingerprints that discharges a vapor of a cyanoacrylate-containing solution. The apparatus comprises a reservoir for holding a liquid solution comprising cyanoacrylate, a valve for controlling the release of the solution through a capillary flow passage, and a power supply for heating the capillary flow passage and vaporizing the solution. When cyanoacrylate vapor contacts latent fingerprints, the fingerprints are rendered visible.
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