Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ara Chutjian0
Murray R. Darrach0
Date of Patent
February 19, 2008
0Patent Application Number
102939660
Date Filed
November 12, 2002
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A chemical sensing apparatus and method for the detection of sub parts-per-trillion concentrations of molecules in a sample by optimizing electron utilization in the formation of negative ions is provided. A variety of media may be sampled including air, seawater, dry sediment, or undersea sediment. An electrostatic mirror is used to reduce the kinetic energy of an electron beam to zero or near-zero kinetic energy.
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