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Leco Corporation patents


Recent patent applications related to Leco Corporation. Leco Corporation is listed as an Agent/Assignee. Note: Leco Corporation may have other listings under different names/spellings. We're not affiliated with Leco Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "L" | Leco Corporation-related inventors


 new patent  Multi-reflecting tof mass spectrometer

A method of time-of-flight mass spectrometry is disclosed comprising: providing two ion mirrors (42) that are spaced apart in a first dimension (x-dimension) and that are each elongated in a second dimension (z-dimension) orthogonal to the first dimension; introducing packets of ions (47) into the space between the mirrors using an ion introduction mechanism (43) such that the ions repeatedly oscillate in the first dimension (x-dimension) between the mirrors (42) as they drift through said space in the second dimension (z-dimension); oscillating the ions in a third dimension (y-dimension) orthogonal to both the first and second dimensions as the ions drift through said space in the second dimension (z-dimension); and receiving the ions in or on an ion receiving mechanism (44) after the ions have oscillated multiple times in the first dimension (x-dimension); wherein at least part of the ion introduction mechanism (43) and/or at least part of the ion receiving mechanism (44) is arranged between the mirrors (42).. . ... Leco Corporation

Systems and methods to process and group chromatographic peaks

A method for processing chromatographic peaks in chromatographic systems comprising comparing a first peak with a second peak; and determining whether the first peak and second peak should be grouped together.. . ... Leco Corporation

Ion trap mass spectrometer

An apparatus 41 and operation method are provided for an electrostatic trap mass spectrometer with measuring frequency of multiple isochronous ionic oscillations. For improving throughput and space charge capacity, the trap is substantially extended in one z-direction forming a reproduced two-dimensional field. ... Leco Corporation

Ion trap mass spectrometer

An apparatus 41 and operation method are provided for an electrostatic trap mass spectrometer with measuring frequency of multiple isochronous ionic oscillations. For improving throughput and space charge capacity, the trap is substantially extended in one z-direction forming a reproduced two-dimensional field. ... Leco Corporation

Ion trap mass spectrometer

An apparatus 41 and operation method are provided for an electrostatic trap mass spectrometer with measuring frequency of multiple isochronous ionic oscillations. For improving throughput and space charge capacity, the trap is substantially extended in one z-direction forming a reproduced two-dimensional field. ... Leco Corporation

A multi-reflecting time-of-flight analyzer

A multi-reflecting time-of-flight mass spectrometer comprises a pair of parallel aligned ion mirrors and a set of periodic lenses for confining ion packets along the drift z-direction. To compensate for time-of-flight spherical aberrations t. ... Leco Corporation

Electrostatic trap mass spectrometer with improved ion injection

A method of mass spectral analysis in an analytical electrostatic trap (14) is disclosed. The electrostatic trap (14) defines an electrostatic field volume and includes trap electrodes having static and non-ramped potentials. ... Leco Corporation

Soft ionization based on conditioned glow discharge for quantitative analysis

One aspect of the disclosure provides a method of mass spectrometric analysis that includes producing either glow discharge within a noble gas between 3-100 mbar pressure, sampling and conditioning glow discharge products within a gas flow through a conductive channel, removing charged particles while transferring excited ridberg atoms, and mixing conditioned discharge products with analyte flow within an enclosed chamber at elevated temperatures above 150° celsius for producing a penning reaction between analyte molecules and ridberg atoms. The method further includes sampling, by a gas flow, said analyte ions for mass spectrometric analysis, and at least one of the following steps: (i) removing charge within said conditioning channel; (ii) coaxially mixing of analyte flow with the flow of conditioned plasma; and (iii) cooling of the mixed flow within a sonic or supersonic jet for reducing the region of penning ionization to cold jet.. ... Leco Corporation

Dynamic baseline adjuster

A method of adjusting a baseline value in data received from a mass spectrometer includes generating a plurality of data signal values with a converter. The method also includes categorizing the plurality of data signal values relative to a plurality of threshold values. ... Leco Corporation

Gc-tof ms with improved detection limit

For improving sensitivity, dynamic range, and specificity of gc-ms analysis there are disclosed embodiments of novel apparatuses based on improved characteristics of semi-open source with electron impact ionization, providing much higher brightness compared to known open ei sources. In an implementation, the source becomes compatible with multi-reflecting tof analyzers for higher resolution analysis for improving detection limit. ... Leco Corporation

Method and apparatus for decoding multiplexed information in a chromatographic system

Implementations of methods and apparatuses are disclosed for decoding multiplexed information in a chromatographic system. Implementations may include the method of pulsing ions from an ion source through an analyzer according to a predetermined multiplexing scheme, each pulse including one or more ions corresponding to a sample, detecting a plurality of ion strikes at a detector, determining a data point for each ion strike, wherein each data point includes an intensity of a detected ion strike and a time of the detected ion strike, maintaining a multiplexed spectrum of the data points, the multiplexed spectrum including the data points, and demultiplexing the time shifted spectrum using the data points of the multiplexed spectrum.. ... Leco Corporation

Lossless data compression

An analytical instrument includes a data acquisition system that produces data. The analytical instrument includes a data compression system/process that utilizes a lossless data compression technique that can be implemented using minimal hardware and software resources. ... Leco Corporation

Multi-reflecting time-of-flight mass spectrometer with axial pulsed converter

Apparatuses (41, 91, 111, 115, 121, 151) and methods (31) for time-of-flight mass spectrometry providing effective pulsed conversion of continuous ion beams into pulsed ion packets is disclosed. Bunching of energetic continuous ion beams forms ion packets, which are filtered by a subsequent isochronous energy filter (49, 79, 81-84, 110). ... Leco Corporation

Right angle time-of-flight detector with an extended life time

There is proposed a right angle time-of-flight detector (41, 117, 124, 143, 144, 145) comprising a conductive converter (46) for emitting and accelerating secondary electrons, a magnetic field formed by at least one magnet (47) for deflecting the secondary electrons at a right angle and a sealed photo-multiplier (26). The detector is expected to provide an extended resource and dynamic range and may be fit into tight assemblies, such as mr-tof ms.. ... Leco Corporation

01/19/17 / #20170016863

Method of targeted mass spectrometric analysis

A method of targeted mass spectrometric analysis is provided for analyzing trace compounds at sub-ppb level compared to sample matrix. Sample is chromatographically separated at standard conditions to employ a map of target mass (m) versus retention time (rt). ... Leco Corporation








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