Integration of a carbon nanotube field emission electron gun for a miniaturized time-of-flight mass spectrometer

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 7318, Issue , 2009, Pages

  Getty, Stephanie A ^a   Li, Mary ^a   Hess, Larry ^a   Costen, Nick ^a   King, Todd T ^a   Roman, Patrick A ^a   Brinckerhoff, William B ^a   Mahaffy, Paul R ^a  

^a NASA GODDARD SPACE FLIGHT CENTER   (United States)

Author keywords

Carbon nanotube; Field emission; Time of flight mass spectrometry

Indexed keywords

A-CARBON; CLOSE PROXIMITY; CURRENT TRANSMISSION; ELECTRON IMPACT-IONIZATION; EMITTER TIPS; EXTRACTION VOLTAGE; FIELD-EMISSION ELECTRONS; FUNDAMENTAL CURRENT; IN-SITU; INTEGRATION TECHNIQUES; IONIZATION BEAMS; IONIZATION ENERGIES; PATTERNED ARRAYS; PLANETARY SCIENCE; THERMAL CHEMICAL VAPOR DEPOSITION; TIME-OF-FLIGHT MASS SPECTROMETERS; TIME-OF-FLIGHT MASS SPECTROMETRY;

CARBON NANOTUBES; ELECTRIC POTENTIAL; ELECTRON BEAMS; ELECTRON GUNS; ELECTRONS; FIELD EMISSION; FIELD EMISSION CATHODES; IONIZATION OF GASES; MASS SPECTROMETERS; MASS SPECTROMETRY; NANOTECHNOLOGY; NEGATIVE IONS; PLASMA GUNS; SENSORS;

IMPACT IONIZATION;

EID: 69549113114     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.818939     Document Type: Conference Paper

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28. Due to electric field inhomogeneity, the electrons that are generated towards the edges of the cathode are defocused in the ionization region; they have been omitted in Figure 3 for clarity.