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| Number | Title | Issue Date |
| 8106354 | Mass spectrometer arrangement The invention refers to a mass spectrometer arrangement (10) comprising a housing (86) having a mass spectrometer forevacuum vacuum chamber (20) with a mass spectrometer forevacuum outlet (30), at least two mass spectrometer high-vacuum v... | 01/31/2012 |
| 8084736 | Method and system for vacuum driven differential mobility spectrometer/mass spectrometer interface with adjustable resolution and selectivity A mass spectrometer system including a differential mobility spectrometer and a mass spectrometer at least partially sealed to, and in fluid communication, with, the differential mobility spectrometer, together with a related method, are provided. The mass spectrome... | 12/27/2011 |
| 8063362 | Ionic liquid membrane for air-to-vacuum sealing and ion transport An ionic liquid membrane provides both vacuum sealing and ion transport for a mass spectrometer. Ion transport is necessary to take advantage of modern Electrospray Ionization (ESI) and Desorption Electrospray Ionization (DESI) methods. Combining vacuum sealing for ... | 11/22/2011 |
| 7985951 | Mass spectrometer A radio-frequency ion guide (20) for converging ions by a radio-frequency electric field and simultaneously transporting the ions into the subsequent stage is composed of eight rod electrodes (21 through 28) arranged in such a manner as to surro... | 07/26/2011 |
| 7755039 | 3-dimensional differential pumping system and method thereof A differential pumping system in which a vacuum chamber is manufactured to have a plurality of vacuum pumps and conductance limit plates between the vacuum pumps. The differential pumping system in which an ion is implanted from an ionization source, passes through ... | 07/13/2010 |
| 7750292 | Mass spectrometer system A portable mass spectrometer system is described. The system includes a mass spectrometer device incorporated within an evacuated chamber. The chamber includes a permeable membrane located between the mass spectrometer device and an entrance port to the chamber. Loc... | 07/06/2010 |
| 7601951 | Configuration of an atmospheric pressure ion source An API source for mass spectrometry which is configured such that all or a portion of its vacuum assembly, including ion focusing and transport electrostatic lenses and ion guides, and two or more vacuum stages can be removed from the source or system vacuum housing... | 10/13/2009 |
| 7427750 | Mass spectrometer assemblies, mass spectrometry vacuum chamber lid assemblies, and mass spectrometer operational methods One embodiment of a mass spectrometer assembly includes a base configured to define at least a portion of a vacuum chamber volume; a mass separator component within the vacuum chamber volume; a lid coupled to the mass separator component and configured to be removab... | 09/23/2008 |
| 7391019 | Electrospray ion source An on-axis ion source has an ionization chamber and an adjacent low-pressure region. The on-axis ion source also includes a capillary tube having an axial bore for supporting fluid communication between the ionization chamber and the adjacent low-pressure region, th... | 06/24/2008 |
| 7388196 | Hyperbolic horn helical mass spectrometer An improved rotating electric field ion mass spectrometer (REFIMS) provides for a smooth transition of the input ion beam from zero rotation to the desired level of field rotation. The REFIMS grid shape is changed from a fixed-diameter tunnel to that of a horn. The ... | 06/17/2008 |
| 7378651 | High field asymmetric waveform ion mobility spectrometer FAIMS Disclosed is an apparatus for separating ions including a plurality of first electrode portions, each first electrode portion of the plurality of first electrode portions having a first length and an outer surface that is at least partially curved in a direction tra... | 05/27/2008 |
| 7361891 | Pressure-flow reducer for aerosol focusing devices A pressure-flow reducer, and an aerosol focusing system incorporating such a pressure-flow reducer, for performing high-flow, atmosphere-pressure sampling while delivering a tightly focused particle beam in vacuum via an aerodynamic focusing lens stack. The pressure... | 04/22/2008 |
| 7339167 | Charged particle beam apparatus A charged particle beam apparatus in which an electrostatic lens is used as a main focusing element to obtain a subminiature high-sensitivity high-resolution SEM, a drift tube for an electron beam is located inside a column between an electron source and a sample, a... | 03/04/2008 |
| 7335877 | Inline automated chemical analysis signal optimization An apparatus and method for improved inline and automated chemical analysis is provided, in particular disclosing signal optimization for an electrospray ionization mass spectrometer apparatus. A substantially inert pathway for ion analysis is provided by using subs... | 02/26/2008 |
| 7331216 | Leak rate measuring device A leak rate measuring device contains a strip spectrometer in which the ion path of the respective gas is influenced by at least one variable influencing quantity. When a gas having a predetermined mass is detected, and leakages of a gas having other predetermined m... | 02/19/2008 |
| 7329863 | Mass spectrometry apparatus and method A mass spectrometer in which a substance is introduced into a plasma (28) which contains analyte ions as the plasma (28) is passing through an aperture (42), for example in a skimmer cone (40) between two vacuum regions (38) and ( | 02/12/2008 |
| 7308819 | Gas measuring method inside a sealed container A gas measuring method performs a gas measurement inside a sealed container provided with a pair of plates and an exhaust pipe having a breakable vacuum isolating member on at least one of the plates. The method includes the steps of connecting the sealed container ... | 12/18/2007 |
| 7285774 | FAIMS apparatus and method for separating ions in the gas phase Disclosed is a high field asymmetric waveform ion mobility spectrometer (FAIMS) including a set of spaced-apart parallel rods, the space between the parallel rods having first and second ends and defining an analyzer region. The apparatus includes an electrical cont... | 10/23/2007 |
| 7235914 | Piezoelectric micro-transducers, methods of use and manufacturing methods for same Various micro-transducers incorporating piezoelectric materials for converting energy in one form to useful energy in another form are disclosed. In one embodiment, a piezoelectric micro-transducer can be operated either as a micro-heat engine, converting thermal en... | 06/26/2007 |
| 7196323 | Mass spectrometry method for analyzing mixtures of substances The invention relates to a mass spectrometry method for analysing mixtures of substances using a triple quadrupole mass spectrometer, whereby said mixtures of substances are ionised prior to analysis. The invention is characterised in that the method comprises the f... | 03/27/2007 |
| 7195465 | Reciprocating microfluidic pump system for chemical or biological agents A miniature pump has at least one controllable expansion-and-contraction chamber, and associated pair of tiny ducts interconnecting a fluid source and destination. The ducts communicate with the chamber(s); an linking tunnel links the ducts. Valves interact with flu... | 03/27/2007 |
| 7155960 | Temperature-programmed desorbed gas analyzing apparatus A temperature-programmed desorbed gas analyzing apparatus including a sample chamber 1 in which a sample S is disposed, an infrared heating furnace 2 for heating the sample S disposed in the sample chamber 1, a measuring chamber 3 in whic... | 01/02/2007 |
| 7148474 | Device for two-dimensional gas-phase separation and characterization of ion mixtures The present invention relates to a device for separation and characterization of gas-phase ions. The device incorporates an ion source, a field asymmetric waveform ion mobility spectrometry (FAIMS) analyzer, an ion mobility spectrometry (IMS) drift tube, and an ion ... | 12/12/2006 |
| 7148475 | Device for automated coupling between a micro-chromatograph and a mass spectrometer comprising a temperature adjustment An instrument including a chromatographic column with a final detector and a mass spectrometer. A temperature of an interface including an output tube and a capillary tube adjusting the flow to the spectrometer is adjusted using a leakage flow or pressure sensor out... | 12/12/2006 |
| 7145137 | Demountable direct injection high efficiency nebulizer for inductively coupled plasma mass spectrometry A nebulizer adapted for adjusting a position of a capillary tube contained within the nebulizer is provided. The nebulizer includes an elongated tubular shell having a gas input port and a gas output port, a capillary adjustment adapter for displacing the capillary ... | 12/05/2006 |
| RE39353 | Mass spectrometer system and method for matrix-assisted laser desorption measurements The system for analyzing multiple samples includes a plurality of portable of sample supports each for accommodating a plurality of samples thereon, and an identification mechanism for identifying each sample location on each of the plurality of sample supports. The... | 10/17/2006 |
| 7119329 | Method of preparing and reconditioning an electrode of mass spectrometer In a mass spectrometer, an ion of a sample gas is produced in an ion source by colliding the gas with an electron beam, and is introduced into a magnetic field or an electric field. The ion is separated based on the mass number, and the sample is analyzed from a mas... | 10/10/2006 |
| 7119330 | Plasma mass spectrometer A plasma source mass spectrometer (20) having an ion beam extraction electrode (45) associated with a skimmer cone (40) to restrict the pumping of gas from a region (60) immediately behind the skimmer cone orifice (42) to provide a... | 10/10/2006 |
| 7108573 | Sealed container, manufacturing method therefor, gas measuring method, and gas measuring apparatus In order to be capable of high-precision gas measurement and evaluating influences of a gas on an electron source, and to predict a life of an image display device with high precision for a short period of time, there is provided a sealed container which is capable ... | 09/19/2006 |
| 7095016 | Direct liquid injection inlet to a laser photoionization apparatus A method and apparatus are provided for analyzing an analyte at low concentration in a liquid sample by photoionization and mass spectrometry. An inlet system is provided for direct injection of the liquid sample using a capillary tube. The method and apparatus allo... | 08/22/2006 |
| 7064321 | Ion funnel with improved ion screening An ion funnel screen ions from a gas stream flowing into a differential pump stage of a mass spectrometer, transfers them to a subsequent differential pump stage. The ion funnel uses apertured diaphragms between which gas escapes easily. Holders for the apertured di... | 06/20/2006 |
| 7034292 | Mass spectrometry with segmented RF multiple ion guides in various pressure regions A mass spectrometer is configured with individual multipole ion guides, configured in an assembly in alignment along a common centerline wherein at least a portion of at least one multipole ion guide mounted in the assembly resides in a vacuum region with higher bac... | 04/25/2006 |
| 7005634 | Ionization apparatus An ionization apparatus according to the present invention has a mechanism for causing metal ions emitted from an ion emitter to attach to an introduced target gas so as to generate ions of the sample gas and emits the ions of the sample gas to a mass spectrometer. ... | 02/28/2006 |
| 7002147 | Highly sensitive vacuum ion pump current measurement system A vacuum system comprising: 1) an ion pump; 2) power supply; 3) a high voltage DC—DC converter drawing power from the power supply and powering the vacuum pump; 4) a feedback network comprising an ammeter circuit including an operational amplifier and a series of ... | 02/21/2006 |
| 6989532 | Mass spectrometer The present invention provides a mass spectrometer including an ion source for atomizing a liquid sample into ionized droplets and spraying ions in a predetermined direction. According to the present invention, the ion source includes a gas transport pipe and a liqu... | 01/24/2006 |
| 6949742 | Method and a system for producing electrospray ions A system for producing electrospray ions includes a thermal inkjet material dispenser configured to selectively emit a plurality of sample material particles, and an electrically conducting grid disposed in proximity with the thermal inkjet material dispenser, the g... | 09/27/2005 |
| 6936817 | Optical column for charged particle beam device The invention provides a miniaturized optical column for a charged particle beam apparatus for examining a specimen (14). The column is constituted by, among other things, a charged particle source (2) for providing a beam of charged particles (10 | 08/30/2005 |
| 6911891 | Bistable actuation techniques, mechanisms, and applications A bistable structure provided by the invention is characterized as including a deflection element that has mechanically constrained end points and a compliant span between the end points that is substantially free to deflect between two stable positions when a force... | 06/28/2005 |
| 6910869 | Valveless micropump A valveless micropump includes a hollow pump chamber having a driving element coupled thereto, an inlet channel coupled to the hollow pump chamber, and an outlet channel coupled to the hollow pump chamber. The inlet channel, the hollow pump chamber, and the outlet c... | 06/28/2005 |
| 6906323 | Method and apparatus for generation of molecular beam Here is disclosed a method for generation of a molecular beam from a sample solution, comprising steps of operating a spray-in device to introduce the sample solution in atomized state into a spray chamber, impinging a suitable gas on the sample solution in atomized... | 06/14/2005 |
