Patents for H01J 49 - Particle spectrometers or separator tubes (20,265) |
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04/29/1999 | WO1999020329A1 Dosing unit and a method of continuous introduction of liquid solution samples into a system |
04/29/1999 | DE19846656A1 Loading aerosols |
04/29/1999 | DE19742733A1 Dust concentration measuring method for gas |
04/29/1999 | CA2307323A1 Dosing unit and a method of continuous introduction of liquid solution samples into a system |
04/29/1999 | CA2306761A1 A sample trapping ion mobility spectrometer for portable molecular detection |
04/28/1999 | EP0911860A2 Particle beam apparatus with energy filter |
04/28/1999 | EP0739533B1 Ion spray with intersecting flow |
04/27/1999 | US5898175 Mass spectrometer and mass spectrometry method for analyzing compounds contained in a solution |
04/27/1999 | US5898174 Geometry for a linear time-of-light mass spectrometer with very high resolution |
04/27/1999 | US5898173 High resolution ion detection for linear time-of-flight mass spectrometers |
04/22/1999 | WO1999019899A1 Curved introduction for mass spectrometry |
04/21/1999 | EP0910231A2 Mounting apparatus for induction coupled plasma torch |
04/21/1999 | EP0746872B1 Cycloidal mass spectrometer |
04/21/1999 | CN1214528A Mass spectrometer |
04/15/1999 | WO1999018595A1 Portable analyzer for determining size and chemical composition of an aerosol |
04/15/1999 | WO1999017865A1 Magnetic separator for linear dispersion and method for producing the same |
04/15/1999 | WO1998059360A9 Retentate chromatography and protein chip arrays with applications in biology and medicine |
04/14/1999 | EP0908925A2 Determining halogen toxicity level of halogenated compounds |
04/13/1999 | US5894063 Surface-enhanced neat desorption for disorption and detection of analytes |
04/13/1999 | CA2101237C Apparatus comprising means for mass spectrometry |
04/07/1999 | EP0906638A1 Automated calibrant system for use in a liquid separation/mass spectrometry apparatus |
04/07/1999 | EP0701471B1 A method of space charge control in an ion trap mass spectrometer |
04/01/1999 | WO1999016104A1 Electric field generation for charged particle analyzers |
04/01/1999 | WO1999016103A1 Secondary ion generator detector for time-of-flight mass spectrometry |
04/01/1999 | WO1999015886A1 Sample holder device |
04/01/1999 | WO1998056023A3 Miniature micromachined quadrupole mass spectrometer array and method of making the same |
04/01/1999 | CA2304868A1 Secondary ion generator detector for time-of-flight mass spectrometry |
03/31/1999 | EP0905743A1 Ion source and accelerator for improved dynamic range and mass selection in a time of flight mass spectrometer |
03/31/1999 | EP0905501A2 A portable detection and screening system |
03/31/1999 | EP0904145A1 Ion transfer from multipole ion guides into multipole ion guides and ion traps |
03/31/1999 | EP0904144A1 Array detectors for simultaneous measurement of ions in mass spectrometry |
03/31/1999 | CN1212370A Gas chromatograph mass spectrometer |
03/30/1999 | US5889281 Method for linearization of ion currents in a quadrupole mass analyzer |
03/30/1999 | CA2101152C Mass spectrometry method using supplemental ac voltage signals |
03/30/1999 | CA2068850C Multilayer flow electrospray ion source using improved sheath liquid |
03/25/1999 | WO1999014793A1 Atom probe |
03/25/1999 | DE19842689A1 Mass spectrometer using chemical ionization method |
03/25/1999 | DE19740807A1 Method for observing dynamic processes in atomic or molecular systems |
03/24/1999 | EP0902963A1 Axial ejection in a multipole mass spectrometer |
03/24/1999 | EP0771470B1 Mass spectrometer system and method for matrix-assisted laser desorption measurements |
03/24/1999 | EP0715538B1 A method of selective ion trapping for quadrupole ion trap mass spectrometers |
03/23/1999 | US5886346 Mass spectrometer |
03/23/1999 | US5886345 Accurate mass determination with maldi time-of-flight mass spectrometers using internal reference substances |
03/23/1999 | US5885841 System and methods for qualitatively and quantitatively comparing complex admixtures using single ion chromatograms derived from spectroscopic analysis of such admixtures |
03/18/1999 | WO1999013492A1 Multiple sample introduction mass spectrometry |
03/18/1999 | DE19755990C1 Atom probe extraction electrode manufacturing method |
03/18/1999 | CA2590656A1 Multiple sample introduction mass spectrometry |
03/16/1999 | CA2090217C Method for increased resolution in tandem mass spectrometry |
03/11/1999 | DE19838600A1 Energy filter for electron microscope |
03/10/1999 | EP0900452A1 Method and apparatus for isolating ions in an ion trap with increased resolving power |
03/09/1999 | US5880466 Gated charged-particle trap |
03/09/1999 | US5879949 Apparatus and method for rapid on-line electrochemistry and mass spectrometry |
03/03/1999 | EP0899774A2 Miniature ionization gauge utilizing multiple collectors |
03/03/1999 | EP0899771A2 Energy filter, particularly for electron microscope |
03/03/1999 | EP0898784A1 Ion detector, detector array and instrument using same |
03/02/1999 | US5877593 Distorted field radio frequency ion source |
03/02/1999 | US5877495 Mass spectrometer |
02/25/1999 | DE19735927A1 Automated apparatus for determining nitrogen isotope present in aqueous solutions |
02/24/1999 | EP0898297A2 Methods and apparatus for tandem mass spectrometry |
02/23/1999 | CA2120401C Method and apparatus for ejecting unwanted ions in an ion trap mass spectrometer |
02/18/1999 | WO1999008310A1 Machined electrostatic sector for mass spectrometer |
02/18/1999 | WO1999008309A1 Ion source for a mass analyser and method of cleaning an ion source |
02/16/1999 | US5872824 Plasma desorption |
02/16/1999 | US5872357 Mass spectrometry calibration using homogeneously substituted fluorinated triazatriphosphorines |
02/16/1999 | US5872356 Spatially-resolved electrical deflection mass spectrometry |
02/16/1999 | US5872010 Microscale fluid handling system |
02/10/1999 | EP0895584A1 Analysis of complex mixtures |
02/10/1999 | EP0617837B1 Mass spectrometry method using filtered noise signal |
02/09/1999 | US5869832 Device and method for forming ions |
02/09/1999 | US5869831 Method and apparatus for separation of ions in a gas for mass spectrometry |
02/09/1999 | US5869830 Exact mass determination with maldi time-of-flight mass spectrometers |
02/09/1999 | US5869829 Time-of-flight mass spectrometer with first and second order longitudinal focusing |
02/09/1999 | US5869344 Apparatus and methods for the analysis of trace constituents in gases |
02/09/1999 | US5869242 Rapid nonsequencing analysis of denatured nucleic acid segments for determination of mutations by comparision to wild-type and known variations; for genetic screening and diagnosis |
02/09/1999 | US5869240 Computerized data analysis using polymer fragments produced by hydrolysis, measuring mass-to-charge ratio of pairs of fragments, statistically analyzing data, and repeating if necessary; sensitive and rapid analysis |
02/09/1999 | US5868322 Apparatus for forming liquid droplets having a mechanically fixed inner microtube |
02/04/1999 | WO1999005544A1 Methods and devices for measuring radiation using luminescence |
02/02/1999 | US5867262 Sample introducing device for inductively coupled plasma analyzer |
02/02/1999 | US5866909 Generator of ribbon-shaped ion beam |
02/02/1999 | US5866901 Mass spectrometer |
02/02/1999 | US5866899 Concentration measurement apparatus calibration method |
02/02/1999 | CA2074266C Electrospray ion source for mass spectrometry |
02/02/1999 | CA2068849C Electrospray ion source with reduced neutral noise and method |
01/27/1999 | CN1206493A Laser ionization mass spectroscope and mass spectrometric analysis method |
01/26/1999 | US5864137 Mass spectrometer |
01/26/1999 | US5864136 Mass spectrometry method with two applied trapping fields having the same spatial form |
01/20/1999 | EP0891543A1 Recirculating filtration system for use with a transportable ion mobility spectrometer |
01/19/1999 | US5861623 Nth order delayed extraction |
01/14/1999 | WO1999001889A1 Novel mass spectrometer |
01/13/1999 | EP0890100A1 Arrangement for connecting a low-pressure inlet of a gas analyser |
01/12/1999 | US5859433 Ion trap mass spectrometer with vacuum-external ion generation |
01/12/1999 | US5859432 Method and apparatus for direct coupling of liquid chromatograph and mass spectrometer liquid, chromatography--mass spectrometry, and liquid chromatograph--mass spectrometer |
01/12/1999 | US5859431 Sample holder for mass spectrometer |
01/12/1999 | US5857890 Oven tooling assembly |
01/07/1999 | WO1999000824A1 Laser vaporization/ionization interface for coupling microscale separation techniques with mass spectrometry |
01/07/1999 | WO1999000657A1 High density sample holder for analysis of biological samples |
01/07/1999 | EP0889501A1 Ionization cell for a mass spectrometer |
01/07/1999 | EP0888633A1 Low-vacuum mass spectrometer |
01/07/1999 | EP0888169A1 Subatmospheric, variable pressure sample delivery chamber for electrospray ionization/mass spectrometry and other applications |
01/05/1999 | US5856671 Liquid junction |