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7038216 |
Electrostatic shape-shifting ion optics
Electrostatic shape-shifting ion optics includes an outer electrode that defines an interior region between first and second opposed open ends. A first inner electrode is positioned within the...
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7034289 |
Segmented side-to-side FAIMS
Provided is a side-to-side high field asymmetric waveform ion mobility spectrometer (FAIMS) including a generally cylindrically-shaped inner electrode having a length. Encircling the inner...
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7034286 |
FAIMS apparatus having plural ion inlets and method therefore
An apparatus for multiplexing ions from a plurality of ionization sources includes a FAIMS analyzer including an inner electrode and an outer electrode, the outer electrode having a plurality of...
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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...
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7034288 |
Time-of-flight mass spectrometer
A time-of-flight mass spectrometer capable of cutting out a major portion of carrier gas-derived ions ahead of the ion reservoir. The ion source is of the electron impact type and has source...
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7026612 |
FAIMS apparatus and method using carrier gases that contain a trace amount of a dopant species
Disclosed is a method and apparatus for improving at least one of a peak separation and a signal intensity relating to an ion of interest being transmitted through an analyzer region of a FAIMS...
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7026610 |
Mass spectrometer system
There is provided an analyzer system capable of easily improving the efficiency of a charge reduction due to ion/ion reactions. A mass spectrometer system includes: a first ion source for ionizing...
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7022980 |
Spectral axis transform
The invention relates to reference libraries of composite spectra that consolidate, into a single searchable data set, multiple independent spectra taken of a chemical compound under multiple...
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7023138 |
Electron impact ion source
An ion source configured for integration into both existing ion implanters used in semiconductor manufacturing and emerging ion implantation platforms. The ion source in accordance with the present...
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7023003 |
Ion implanter and method of preventing undesirable ions from implanting a target wafer
An ion implanter is provided having an ion source; an AMU analyzing magnet having a fixed radius R am ; an ion extraction voltage source; a communication interface for monitoring implantation...
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7019288 |
Methods of making substrates for mass spectrometry analysis and related devices
Substrates, methods for making the substrates and methods for using the substrates for mass spectrometry analysis are provided. Methods include coating a conductive substrate having a hydrophilic...
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7019316 |
High-energy ion implanter and method of operation thereof
A high-energy ion implanter monitors the recycling of a charge exchanging gas that is supplied to a stripper of a tandem accelerator. When the charge exchanging gas leaks out from the stripper and...
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7019291 |
NOx monitor using differential mobility spectrometry
System for detection and analysis of gas samples in fieldable real-time Differential Mobility Spectrometry (DMS) chemical sensor system which uses non-radioactive ion source for monitoring and...
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7015463 |
Miniaturized sample scanning mass analyzer
A mass spectrometer that includes an ionizing source, a sample holder arranged in a beam path of the ionizing source, an ion detector disposed to receive ions extracted from a sample when held by...
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7015465 |
Parallel concentration, desalting and deposition onto MALDI targets
A method and apparatus for the continuous deposition of RP HPLC eluent, from isocratic or gradient elutions, on to a MALDI target using a parallel sample desalting method, allows increased...
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7015661 |
Method and apparatus for accelerating charged particles
A method and apparatus for accelerating charged particles. The charged particles accelerate as they travel through electric fields produced by a plurality of accelerating elements having first and...
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7015461 |
Method and apparatus for ion attachment mass spectrometry
An apparatus for ion attachment mass spectrometry provided with an ion emitter for emitting positively charged metal ions, an ionization chamber for causing attachment of the metal ions to a gas to...
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7012248 |
Time of flight system on a chip
A CMOS time-of-flight “TOF” system-on-a-chip “SoC” for precise time interval measurement with low power consumption and high counting rate has been developed. The analog and digital TOF...
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7012249 |
High capacity and scanning speed system for sample handling and analysis
Disclosed is an apparatus for examining and inspecting at least one sample in order to determine characteristics of the sample having the a support for receiving a compact disc, the compact disc...
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7012250 |
Wafer supported, out-of-plane ion trap devices
An ion trap device comprises a wafer that supports at least one plate forming an ion trapping region therebetween. The plate has an electrically insulating surface and a multiplicity of electrodes...
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7009175 |
Method for obtaining an output ion current
In a method for obtaining an output ion current substantially comprised of only a single ionic species, ions formed in the ionization of a source gas in an ionization region (A) and/or ions...
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6995361 |
Radial disk type ion mobility spectrometer
The present invention relates to a radial disk type ion mobility spectrometer, comprising: an ionizing chamber which is made of a cylindrical tube, and includes an inlet for supplying sample gas...
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6992285 |
Method and apparatus for analyzing a substance using MSn analysis
A method of and apparatus for analyzing a substance takes a stream of ions in said substance and supplies the ions to a collision cell including a quadrupole rod set for guiding the ions and a...
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6992282 |
Use of a nebulizer to add gas to eliminate metal deposition on the sampling orifices of an inductively coupled plasma mass spectrometer
Use of a nebulizer add-gas to reduce metal deposition on the sampling orifices of an inductively coupled plasma mass spectrometer (“ICP-MS”) is disclosed. Specifically, dilute mixtures of...
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6992299 |
Method and apparatus for aerodynamic ion focusing
A method and apparatus for focusing ions for delivery to an ion detection device using an aerodynamic ion focusing system that uses a high-velocity converging gas flow at an entrance aperture to...
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6992281 |
Mass spectrometer
An Inductively Coupled Plasma (“ICP”) mass spectrometer is disclosed comprising a mass filter and a reaction/collision cell. Analyte ions and background ions having the same nominal mass to...
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6989531 |
Mass spectrometer
The invention relates to an LC/MS interface provided with structure that the end of a spray capillary is rarely damaged and the object is to provide the LC/MS interface which a general user can...
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6989528 |
Gold implantation/deposition of biological samples for laser desorption three dimensional depth profiling of tissues
The present invention enhances the laser desorption of biological molecular ions from surfaces by creating a surface localized MALDI particle matrix by ion implantation of low energy ionized...
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6987262 |
FAIMS apparatus and method for detecting trace amounts of a vapour in a carrier gas
Disclosed is a method and apparatus for detecting trace levels of a vapour in a carrier gas stream. A method according to the instant invention comprises the steps of providing a flow of a carrier...
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6984821 |
Mass spectrometer and methods of increasing dispersion between ion beams
A mass spectrometer includes a magnetic sector configured to separate a plurality of ion beams, and an electrostatic sector configured to receive the plurality of ion beams from the magnetic sector...
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6982414 |
Method of mass spectrometry and a mass spectrometer
A method of mass spectrometry is disclosed wherein a gas collision cell is repeatedly switched between a fragmentation and a non-fragmentation mode. Parent ions from a first sample are passed...
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6982417 |
Method and apparatus for detecting low-mass ions
The present invention is a method and apparatus for generating a high frequency excitation signal for use in a mass spectrometer. Harmonics or aliases of a fundamental frequency contained in a...
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6982416 |
Method and device for evaluating the state of organisms and natural products and for analyzing a gaseous mixture comprising main constituents and secondary constituents
The invention relates to a method for assessing the state of organisms and natural products wherein one or more substances are determined in a gaseous mixture, determination being effected by a...
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6982415 |
Controlling ion populations in a mass analyzer having a pulsed ion source
A mass spectrometer is operated by generating a test packet of ions from a pulsed ion source. A population of ions derived from the test packet of ions is detected. A number of ionization events of...
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6982413 |
Method of automatically calibrating electronic controls in a mass spectrometer
The present invention provides methods and electronic circuits for a chemical analyzer, for example, a mass spectrometer, which provide generated signals that are maintained to a required level of...
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6979817 |
Microspray column, mass spectrometer, and mass spectrometry
A problem is to provide a microspray column capable of increasing the ionization efficiency, and a high sensitive mass spectrometer and a mass spectrometric method using such a microspray column....
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6977372 |
Method for feedback controlled electrospray
Feedback control system for electrospray nozzle using optical system for monitoring and controlling dynamic or static morphology of the fluid exiting the electrospray nozzle.
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6977373 |
Ion trap mass analyzing apparatus
An ion-trap mass analyzing apparatus having means for generating ion-capture electric fields asymmetrical with respect to a reference plane containing a central point of a ring electrode and...
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6977369 |
Cold spray mass spectrometric device
The instrument cold sprays a solution sample at a low temperature and desolvates the sample. Under this condition, a mass analysis is performed. The instrument comprises a needle pipe ( 8 ) through...
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6974951 |
Automated in-process ratio mass spectrometry
A method and associated apparatus for in-process automated analysis employing a mass spectrometry ratio measurements is disclosed. It involves elemental and speciation threshold measurement that is...
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6972406 |
Mass spectrometry
A method of fabricating miniature quadrupole electrostatic mass filter has been previously described. The electrodes are metallised cylinders, mounted in grooves etched in oxidised silicon...
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6972408 |
Ultra high mass range mass spectrometer systems
Applicant's present invention comprises mass spectrometer systems that operate in a mass range from 1 to 10 16 DA. The mass spectrometer system comprising an inlet system comprising an aerodynamic...
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6967326 |
Mass spectrometers on wafer-substrates
An apparatus includes a semiconductor or dielectric wafer-substrate and first and second multi-layer structures located over the wafer-substrate. The first multi-layer structure includes an ionizer...
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6960763 |
Energy filter and electron microscope
An energy filter with reduced aberration. The energy filter has a first stage of filter for receiving an electron beam entering along the optical axis and for focusing the beam in one direction...
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6958472 |
Mass spectrometry methods using electron capture by ions
Methods and apparatus are provided to obtain efficient Electron capture dissociation (ECD) of positive ions, particularly useful in the mass spectrometric analysis of complex samples such as of...
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6956208 |
Method and apparatus for controlling position of a laser of a MALDI mass spectrometer
A MALDI mass spectrometer directs a laser shot onto a MALDI sample to generate a sample spectrum which is analyzed to determine if the sample spectrum meets a predetermined criteria. If so,...
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6956207 |
Separation media, multiple electrospray nozzle system and method
A microfabricated silicon chip with a separation material, such as in situ prepared porous polymer monoliths in its microchannels is disclosed. The polymer monoliths are liquid-permeable and serve...
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6956206 |
Negative ion atmospheric pressure ionization and selected ion mass spectrometry using a 63NI electron source
Negative ion atmospheric pressure ionization mass spectrometers and selected ion mass spectrometers with a 63 Ni ion source and a drift tube for reaction of a sample with electrons from the 63 Ni...
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6956205 |
Means and method for guiding ions in a mass spectrometer
A multipole ion guide capable of incorporating a plurality of ion sources (i.e., MALDI, ESI, EI/CI, etc.) to provide and analyze ions in a mass analyzer (i.e., ICR, TOF, quadrupole, etc.) has been...
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6953929 |
Mass analyzing method using an ion trap type mass spectrometer
The present invention provides a method of discriminating singly-charged ions from multiply-charged ions by the use of an ion trap type mass spectrometer which is an inexpensive mass spectrometer....
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