| Patents for H01J 49 - Particle spectrometers or separator tubes (20,265) |
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| 03/17/1992 | US5097126 High resolution electron energy loss spectrometer |
| 03/17/1992 | US5097125 Photo ion spectrometer |
| 03/17/1992 | US5097124 Apparatus and process for the detection in an atmosphere to be monitored of a chemical substance of known mass m and whereof the dissociation fragments are known |
| 03/11/1992 | EP0211012B1 Mass spectrometer ion excitation system |
| 03/10/1992 | US5095208 Charged particle generating device and focusing lens therefor |
| 03/10/1992 | US5094099 Chromatographic collection apparatus and method for sequential condensed and vapor phase spectroscopic studies |
| 03/10/1992 | US5094084 Cryostat with pressure-relief cover |
| 03/04/1992 | EP0473488A2 High transmission stigmatic mass spectrometer |
| 03/03/1992 | US5093571 Method and device for analyzing gas in process chamber |
| 02/25/1992 | US5091645 Selectable-resolution charged-particle beam analyzers |
| 02/20/1992 | DE4024624A1 Interferometric analyser for energy distribution of charged particles - uses Fourier analysis to measure source distribution and characteristic losses |
| 02/18/1992 | US5089703 Method and apparatus for mass analysis in a multipole mass spectrometer |
| 02/18/1992 | US5089702 Icr ion trap |
| 02/18/1992 | US5089699 Secondary charged particle analyzing apparatus and secondary charged particle extracting section |
| 02/12/1992 | EP0470478A2 Multichannel charged-particle analyzer |
| 02/12/1992 | EP0470299A1 Energy filter for charged particle beam apparatus |
| 02/11/1992 | US5087815 High resolution mass spectrometry of recoiled ions for isotopic and trace elemental analysis |
| 02/11/1992 | US5087814 Method and apparatus for counting charged particles |
| 02/05/1992 | EP0469437A1 Method of and apparatus for preparing calibration gas |
| 02/05/1992 | EP0469019A1 Microminiaturized electrostatic pump. |
| 02/04/1992 | US5086255 Microwave induced plasma source |
| 02/04/1992 | US5086227 Secondary ion mass analyzing apparatus |
| 02/04/1992 | US5086226 Device for radio frequency powered glow discharge spectrometry with external sample mount geometry |
| 02/04/1992 | US5086225 Thermal cycle recirculating pump for isotope purifier |
| 01/29/1992 | EP0468742A2 Inductively coupled plasma spectroscopy |
| 01/29/1992 | EP0468521A2 Method and apparatus for irradiating low-energy electrons |
| 01/22/1992 | EP0407539B1 Plasma mass spectrometer |
| 01/21/1992 | US5083021 Mass spectrometer with quadrupole filter and movable carrier providing access to the ion source |
| 01/21/1992 | US5083020 Mass spectrometer |
| 01/15/1992 | EP0465720A2 Analysing device with an electrothermal atomiser, and mass spectrometer for atomic and molecular analysis |
| 01/15/1992 | EP0465695A1 Spherical electrode type charged particle analyzer |
| 01/15/1992 | EP0465480A1 Multiple targets for precise mass measurement |
| 01/14/1992 | US5081352 Technique for the analysis of insulating materials by glow discharge mass spectrometry |
| 12/31/1991 | US5077472 Ion mirror for a time-of-flight mass spectrometer |
| 12/31/1991 | US5077470 Mass spectrometer |
| 12/27/1991 | EP0462554A2 Charged particle beam apparatus |
| 12/24/1991 | US5075547 Quadrupole ion trap mass spectrometer having two pulsed axial excitation input frequencies and method of parent and neutral loss scanning and selected reaction monitoring |
| 12/19/1991 | DE4018923A1 Characterising molecular ions by mass spectroscopy - by bombarding conversion electrode with ions, then secondary ions obtd. are accelerated within electrode and detected as they leave |
| 12/17/1991 | US5073713 Detection method for dissociation of multiple-charged ions |
| 12/11/1991 | EP0460255A1 Measuring head for a quadrupole mass spectrometer |
| 12/10/1991 | US5072115 Interpretation of mass spectra of multiply charged ions of mixtures |
| 12/04/1991 | EP0459602A2 Mass spectrometric high-frequency quadrupole cage with superposed multipole fields |
| 12/03/1991 | US5070240 Apparatus and methods for trace component analysis |
| 12/03/1991 | CA1292811C Ion mobility detector having reactor region and drift region formed of insulative tubing having conductive field producing elements on outside of tubing |
| 11/27/1991 | EP0458498A2 Charged particle energy analysers |
| 11/26/1991 | US5068535 Time-of-flight ion-scattering spectrometer for scattering and recoiling for electron density and structure |
| 11/26/1991 | US5068534 High resolution plasma mass spectrometer |
| 11/21/1991 | DE4016108A1 Swivelable mass spectrometer to measure properties of particle stream - provides in-situ measurement of mass-, energy-and angular-distribution e.g. for integrated circuit |
| 11/20/1991 | CN1014850B Four electrodes mass analyzer |
| 11/13/1991 | EP0456517A2 Time-of-flight mass spectrometer |
| 11/13/1991 | EP0456516A2 Ion buncher |
| 11/13/1991 | EP0455892A1 Monodisperse aerosol generator for use with infrared spectrometry |
| 11/12/1991 | US5065018 Time-of-flight spectrometer with gridless ion source |
| 10/30/1991 | EP0453808A1 Apparatus for analysing gas mixtures by means of mass spectrometry |
| 10/23/1991 | EP0452930A2 Apparatus for sample ionization and mass spectrometry |
| 10/23/1991 | EP0452767A1 Laser ionization sputtered neutral mass spectrometer |
| 10/16/1991 | EP0451802A2 Apparatus and method for the absolute determination of the energy of ion beam |
| 10/12/1991 | CA2040207A1 Apparatus and method for the absolute determination of the energy of an ion beam |
| 10/08/1991 | US5055678 Chromium coating |
| 10/08/1991 | US5055677 Mass spectrometer method and apparatus for analyzing materials |
| 10/08/1991 | US5054309 Process for producing low-concentration gas mixtures, and apparatus for producing the same |
| 10/03/1991 | WO1991015029A1 Plasma mass spectrometer |
| 10/02/1991 | EP0419557A4 Resolution improvement in an ion cyclotron resonance mass spectrometer |
| 10/01/1991 | US5053621 Electro-optical ion detector for a scanning mass spectrometer and method of making same |
| 10/01/1991 | US5053343 Ion mobility spectrometer |
| 09/25/1991 | EP0448331A2 Mass spectrometry systems |
| 09/24/1991 | US5051593 Electrostatic multipole lens for charged-particle beam |
| 09/24/1991 | US5051584 Plasma mass spectrometer |
| 09/24/1991 | US5051583 Atmospheric pressure ionization type mass spectrometer |
| 09/24/1991 | US5051557 Microwave induced plasma torch with tantalum injector probe |
| 09/19/1991 | DE4107794A1 Plasma mass spectrometer for trace element analysis - has atmospheric region followed by differential pump region for generation of diffusion plasma |
| 09/18/1991 | EP0447158A2 Detector for concealed explosive or narcotic substances |
| 09/17/1991 | US5049739 Plasma ion source mass spectrometer for trace elements |
| 09/13/1991 | CA2012030A1 Sample handling system for molecular analyser |
| 09/11/1991 | EP0446080A1 Method and device for elemental analysis of a sample by mass spectrometry coupled to a high frequency induced plasma |
| 09/10/1991 | US5047636 Linear prediction ion cyclotron resonance spectrometry apparatus and method |
| 09/04/1991 | EP0444896A2 Single port thermospray ion source with coaxial vapor flow |
| 09/03/1991 | US5045694 Instrument and method for the laser desorption of ions in mass spectrometry |
| 08/27/1991 | US5043575 Process for the mass-spectrometric investigation of isotopes, as well as isotope mass spectrometer |
| 08/27/1991 | US5042501 Apparatus and method for analysis of expired breath |
| 08/20/1991 | US5041725 Secondary ion mass spectrometry apparatus |
| 08/13/1991 | US5039312 Gas separation with rotating plasma arc reactor |
| 08/06/1991 | US5037611 Sample handling technique |
| 07/30/1991 | US5036195 Gas analyzer |
| 07/25/1991 | WO1991011016A1 Generation of an exact three-dimensional quadrupole electric field |
| 07/23/1991 | WO1991011015A1 Electrospray ion source for mass spectrometry |
| 07/23/1991 | US5034605 Secondary ion mass spectrometer with independently variable extraction field |
| 07/17/1991 | EP0437358A2 Glow discharge spectrometry |
| 07/17/1991 | EP0437085A2 Linear prediction ion cyclotron resonance spectrometry apparatus and method |
| 07/17/1991 | EP0436544A1 High resolution plasma mass spectrometer. |
| 07/17/1991 | EP0360862A4 Isotope-ratio-monitoring gas chromatography-mass spectrometry apparatus and method |
| 07/17/1991 | EP0285630B1 Mass separator for ionized cluster beam |
| 07/16/1991 | US5032724 Multichannel charged-particle analyzer |
| 07/16/1991 | US5032723 Charged particle energy analyzer |
| 07/16/1991 | US5032722 MS-MS time-of-flight mass spectrometer |
| 07/16/1991 | CA1286426C Atmospheric sampling glow discharge ionization source |
| 07/11/1991 | CA2033963A1 Glow discharge spectrometry |
| 07/10/1991 | EP0435896A1 Charged particle multidetector |
| 07/09/1991 | US5030826 Single port thermospray ion source with coaxial vapor flow |
| 07/06/1991 | CA2033439A1 Process for the elementary analysis of a specimen by high frequency inductively coupled plasma mass spectrometry and apparatus for carrying out this process |