Browsing Texas A&M University Patents by Author "Da Silveira, Enio Frota"

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    • Ion source for compact mass spectrometer and method of mass analyzing a sample 
      Da Silveira, Enio Frota; Ray, Kevin Bernard; Schweikert, Emile Alfred; Park, Melvin Andrew (United States. Patent and Trademark Office; Texas A&M University. Libraries, 1997-08-19)
      A mass spectrometer 20 includes an electron multiplier 30 for producing an electron avalanche 58 directed toward an ionization region 38. A sample 40 enters the ionization region 38 through a sample inlet 68. In the ...
    • Ion source for compact mass spectrometer and method of mass analyzing a sample 
      Da Silveira, Enio Frota; Ray, Kevin Bernard; Schweikert, Emile Alfred; Park, Melvin Andrew (United States. Patent and Trademark Office; Texas A&M University. Libraries, 1998-12-22)
      A mass spectrometer 20 includes an electron multiplier 30 for producing an electron avalanche 58 directed toward an ionization region 38. A sample 40 enters the ionization region 38 through a sample inlet 68. In the ...