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Chemical sensor systemA 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.
Document ID
20080020206
Acquisition Source
Headquarters
Document Type
Other - Patent
Authors
Darrach, Murray R.
Chutjian, Ara
Date Acquired
August 24, 2013
Publication Date
February 19, 2008
Subject Category
Chemistry And Materials (General)
Report/Patent Number
Patent Application Number: US-Patent-Appl-SN-10/293,966
Patent Number: US-Patent-7,332,345
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-Patent-7,332,345
Patent Application
US-Patent-Appl-SN-10/293,966

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