Patents
Sitemap › H01 - Basic electric elements › H01J - Electric discharge tubes or discharge lamps › H01J 49 - Particle spectrometers or separator tubes
Patents for H01J 49 - Particle spectrometers or separator tubes (20,265)
11/1990
11/29/1990WO1990014687A1 Method and apparatus for producing an arbitrary excitation spectrum for fourier transform mass spectrometry
11/29/1990WO1990014686A1 A vaporization device for continuous introduction of liquids into a mass spectrometer
11/29/1990WO1990014148A1 Multiply charged ions and a method for determining the molecular weight of large molecules
11/29/1990DE3917149A1 Charged particles detector coping with high potential - has collector forming electrode of capacitor embedded in central conductor of waveguide
11/29/1990CA2032490A1 Multiply charged ions and a method for determining the molecular weight of large molecules
11/27/1990US4973842 Lens system for a photo ion spectrometer
11/27/1990US4973841 Precision ultra-sensitive trace detector for carbon-14 when it is at concentration close to that present in recent organic materials
11/27/1990US4973840 Apparatus and method for characterizing the transmission efficiency of a mass spectrometer
11/26/1990WO1990014587A1 Apparatus and method for sampling
11/26/1990CA2057888A1 Apparatus and method for sampling
11/21/1990CN1010530B Coating method for making emission filament used for ionization in mass spectrum field
11/20/1990US4972083 Post-acceleration detector for mass spectrometer
11/20/1990US4970905 Apparatus and method for sampling
11/13/1990US4970390 Apparatus for counting individual particles in time-of-flight spectrometry, and method of use
11/13/1990CA1276319C Vaporizer system for ion source
11/07/1990EP0396019A2 Ion cyclotron resonance spectrometer
11/06/1990US4968888 Pulsed field sample neutralization
11/06/1990US4968885 Method and apparatus for introduction of liquid effluent into mass spectrometer and other gas-phase or particle detectors
10/1990
10/31/1990EP0395616A2 Method for enhanced ion spectra generation and detection in ion mobility spectrometry
10/30/1990US4967078 Rutherford backscattering surface analyzer with 180-degree deflecting and focusing permanent magnet
10/24/1990EP0393891A2 Method for external calibration of ion cyclotron resonance mass spectrometers
10/24/1990EP0275306B1 Multipurpose gaseous detector device for electron microscopes
10/18/1990WO1990012416A1 Multiple targets for precise mass measurement
10/16/1990USRE33386 Method and apparatus for sampling a plasma into a vacuum chamber
10/16/1990US4963736 Mass spectrometer and method and improved ion transmission
10/16/1990US4963735 Plasma source mass spectrometer
10/10/1990EP0231247B1 Improvements in atom probes
10/02/1990US4960992 Method and means for vaporizing liquids by means of heating a sample capillary tube for detection or analysis
10/02/1990US4960991 Multimode ionization source
09/1990
09/26/1990EP0388959A2 Charged particled energy analyzer
09/26/1990EP0131572B1 Method of and apparatus for isotope separation
09/25/1990US4959544 Energy analyzer
09/25/1990US4959543 Method and apparatus for acceleration and detection of ions in an ion cyclotron resonance cell
09/25/1990US4958529 Interface for coupling liquid chromatography to solid or gas phase detectors
09/24/1990CA2012879A1 Charged particled energy analyzer
09/11/1990US4956788 In a Fourier transform ion cyclotron resonance mass spectrometer
09/11/1990US4955717 Demand modulated atomization apparatus and method for plasma spectroscopy
09/04/1990US4954710 Parallax-free gas detector for x-rays
09/04/1990CA1273716A1 Glow discharge mass spectrometer
08/1990
08/29/1990EP0384139A2 Electro-optical ion detector for a scanning mass spectrometer
08/29/1990EP0383961A1 Method and instrument for mass analyzing samples with a quistor
08/29/1990EP0383802A1 Mass spectrometer apparatus
08/28/1990US4952803 Mass Spectrometry/mass spectrometry instrument having a double focusing mass analyzer
08/28/1990US4952802 Ion detection apparatus
08/21/1990US4950893 Method and apparatus for enhanced ion spectra generation and detection in ion mobility spectrometry
08/16/1990DE3903750A1 Anode arrangement for an electron detector, resolving in space and time, and detectors therewith
08/16/1990DE3903322A1 Method for producing ions
08/14/1990US4948979 Vacuum device for handling workpieces
08/14/1990US4948962 Plasma ion source mass spectrometer
08/07/1990US4947041 Analyzer tube for mass spectrometry
07/1990
07/31/1990WO1990009031A1 Plasma mass spectrometer
07/31/1990US4945236 Direct imaging type SIMS instrument having TOF mass spectrometric mode
07/31/1990US4945234 Method and apparatus for producing an arbitrary excitation spectrum for Fourier transform mass spectrometry
07/26/1990WO1990008398A1 A method of preparing samples for mass analysis by desorption from a frozen solution
07/26/1990WO1990008312A1 Holding method for specimen of electric insulation
07/25/1990EP0378648A1 Icr ion trap.
07/24/1990USRE33275 Electron Spectrometer
07/24/1990US4943718 Mass spectrometer
07/18/1990EP0378281A2 Time of flight mass spectrometer
07/18/1990EP0378077A2 Ion mass-spectroscopic analysis method and apparatus
07/18/1990CA2025771A1 A method for preparing samples for mass analysis by desorption from a frozen solution
07/17/1990US4942298 Electron spectrometer
07/17/1990US4942296 Super-critical fluid mass spectrometer
06/1990
06/28/1990WO1990007190A1 Device for the introduction of liquid or gaseous samples into a vaccum chamber
06/27/1990EP0215011B1 Mass spectrometer having magnetic trapping
06/21/1990DE3840536A1 Two-beam method for secondary ion mass spectrometry
06/20/1990EP0373835A2 Mass spectrometer and method with improved ion transmission
06/20/1990EP0373550A2 Time-of-flight mass spectrometer with a high resolution and transmission
06/19/1990US4935624 Thermal-assisted electrospray interface (TAESI) for LC/MS
06/16/1990CA2002688A1 Interface for coupling liquid chromatography to solid or gas phase detectors
06/13/1990EP0295253B1 Electron spectrometer
06/12/1990US4933650 Microwave plasma production apparatus
06/12/1990US4933551 Reversal electron attachment ionizer for detection of trace species
06/12/1990US4933548 Method and device for introducing samples for a mass spectrometer
06/12/1990US4933547 Method for external calibration of ion cyclotron resonance mass spectrometers
06/12/1990CA1270342A1 Method of operating an ion trap mass spectrometer
06/06/1990EP0371572A2 Sample handling technique
06/05/1990US4931640 Mass spectrometer with reduced static electric field
06/05/1990US4931639 Method of analyzing molecular samples
06/05/1990CA1270071A1 Method of operating a three-dimensional ion trap with enhanced sensitivity
05/1990
05/30/1990EP0370871A1 Process for producing standard gas mixture and apparatus for producing the same
05/30/1990EP0370870A1 Process for producing low-concentration gas mixtures, and apparatus for producing the same
05/30/1990EP0370151A1 Process for producing low-concentration gas mixtures, and apparatus for producing the same
05/30/1990EP0370150A1 Process for producing standard gas mixture and apparatus for producing the same
05/23/1990EP0369751A1 Ion mobility detector
05/21/1990CA2003246A1 Process for producing low-concentration gas mixtures, and apparatus for producing the same
05/21/1990CA2003242A1 Process for producing standard gas mixture and apparatus for producing the same
05/15/1990US4926021 Torch device for analyzing a gas/vapor
05/15/1990US4925306 Ion bombardment furnace for atomic spectroscopy
05/15/1990CA1269181A1 Mass spectrometer for positive and negative ions
05/15/1990CA1269180A1 Discharge ionization mass spectrometer
05/08/1990US4924136 Holders located immediately under emitting tip
05/08/1990US4924097 Monodisperse aerosol generator for use with infrared spectrometry
05/08/1990US4924090 Double focusing mass spectrometer and MS/MS arrangement
05/08/1990US4924089 Method and apparatus for the accumulation of ions in a trap of an ion cyclotron resonance spectrometer, by transferring the kinetic energy of the motion parallel to the magnetic field into directions perpendicular to the magnetic field
05/03/1990WO1990004852A1 Hollow electrode plasma excitation source
05/02/1990CN1007852B Induction coupling plasma mass analyzer
04/1990
04/27/1990CA2001237A1 Hollow electrode plasma excitation source
04/24/1990US4920264 Method for preparing samples for mass analysis by desorption from a frozen solution
04/17/1990US4918307 Sample holder for glow discharge mass spectrometer
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