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Class Information
Number: 250/292
Name: Radiant energy > Ionic separation or analysis > Cyclically varying ion selecting field means > Laterally resonant ion path
Description: Subject matter wherein the selecting means comprises field means causing alternating deflection of the ions normal to their general forward motion.










Patents under this class:
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Patent Number Title Of Patent Date Issued
6700117 Conditioning of an ion beam for injection into a time-of-flight mass spectrometer Mar. 2, 2004
6683303 Ion trap mass spectrometer and spectrometry Jan. 27, 2004
6674071 Ion-guide systems Jan. 6, 2004
6674067 Methods and apparatus to control charge neutralization reactions in ion traps Jan. 6, 2004
6670606 Preparation of ion pulse for time-of-flight and for tandem time-of-flight mass analysis Dec. 30, 2003
6667487 Radio frequency trap for containment of plasmas in antimatter propulsion systems using rotating wall electric fields Dec. 23, 2003
6661002 Mass spectrograph Dec. 9, 2003
6649911 Method of selecting ions in an ion storage device Nov. 18, 2003
6646254 Liquid chromatograph mass spectrometer Nov. 11, 2003
6646258 Concave electrode ion pipe Nov. 11, 2003
6642514 Mass spectrometers and methods of mass spectrometry Nov. 4, 2003
6635868 Mass spectrometry apparatus Oct. 21, 2003
6633033 Apparatus for mass spectrometry on an ion-trap method Oct. 14, 2003
6627883 Apparatus and method for analyzing samples in a dual ion trap mass spectrometer Sep. 30, 2003
6627912 Method of operating a mass spectrometer to suppress unwanted ions Sep. 30, 2003
6624411 Method of producing a broad-band signal for an ion trap mass spectrometer Sep. 23, 2003
6621077 Apparatus and method for atmospheric pressure-3-dimensional ion trapping Sep. 16, 2003
6621078 Ion trapping device Sep. 16, 2003
6617577 Method and system for mass spectroscopy Sep. 9, 2003
6617578 Self-aligned ion guide construction Sep. 9, 2003
6617810 Multi-stage cavity cyclotron resonance accelerators Sep. 9, 2003
6610979 Quadrupole mass spectrometer Aug. 26, 2003
6608303 Quadrupole ion trap with electronic shims Aug. 19, 2003
6600154 Ion filling control in ion trap mass spectrometers Jul. 29, 2003
6596990 Internal detection of ions in quadrupole ion traps Jul. 22, 2003
6593567 Ion mobility spectrometer having extended linear dynamic range Jul. 15, 2003
6583408 Ionization source utilizing a jet disturber in combination with an ion funnel and method of operation Jun. 24, 2003
6583702 Quadrupole mass spectrometer driver with higher signal levels Jun. 24, 2003
6576897 Lens-free ion collision cell Jun. 10, 2003
6576898 Mass spectrometer with multipole rod type ion lens Jun. 10, 2003
6573496 Quadrupole mass spectrometer Jun. 3, 2003
6573495 High capacity ion cyclotron resonance cell Jun. 3, 2003
6573492 Mass spectrometric analysis method and apparatus using the method Jun. 3, 2003
6573110 Combinatorial chemistry system and method of use Jun. 3, 2003
6570153 Tandem mass spectrometry using a single quadrupole mass analyzer May. 27, 2003
6570151 Methods and apparatus to control charge neutralization reactions in ion traps May. 27, 2003
6566658 Charged particle beam control element, method of fabricating charged particle beam control element, and charged beam apparatus May. 20, 2003
6566651 Ion trap mass spectrometry and apparatus May. 20, 2003
6559443 Ionization apparatus and ionization method for mass spectrometry May. 6, 2003
6545271 Mask plate with lobed aperture Apr. 8, 2003
6541766 Ion trap mass spectrometry and ion trap mass spectrometer Apr. 1, 2003
6525314 Compact high-performance mass spectrometer Feb. 25, 2003
6512226 Method of and apparatus for selective collision-induced dissociation of ions in a quadrupole ion guide Jan. 28, 2003
6504148 Quadrupole mass spectrometer with ION traps to enhance sensitivity Jan. 7, 2003
6489609 Ion trap mass spectrometry and apparatus Dec. 3, 2002
6483109 Multiple stage mass spectrometer Nov. 19, 2002
6469298 Microscale ion trap mass spectrometer Oct. 22, 2002
6469299 Miniature micromachined quadrupole mass spectrometer array and method of making the same Oct. 22, 2002
6465792 Miniature device for generating a multi-polar field, in particular for filtering or deviating or focusing charged particles Oct. 15, 2002
6465779 Mass spectrometer Oct. 15, 2002

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