12results about "Miniaturised spectrometers" patented technology

An ion trap chip and a system are disclosed, and are applicable to the field of quantum computing. The ion trap chip includes: a plurality of first ion traps (10), each configured to store an operation ion, where two adjacent first ion traps (10) form one ion trap group (30); and a plurality of second ion traps (20), where the second ion trap (20) corresponds to one ion trap group (30), and the second ion trap (20) is configured to perform quantum operations of operation ions (101) stored in the corresponding ion trap group (30). The second ion trap (20) is located between two first ion traps (10) in the corresponding ion trap group (30). The operation ions (101) stored in the first ion traps (10) in the ion trap group (30) are transported to the corresponding second ion trap (20) along a straight line. In the ion trap chip, an ion storage area and a quantum operation area are separated, and the ion storage area and the corresponding quantum operation area are located in a same straight line, so that ion transport does not require a turning. This greatly improves quantum computing efficiency.

Provided is a mass spectrometer capable of ensuring a work space for maintenance or the like of a turbomolecular pump as compared with one in the related art. A mass spectrometer 10, 10A, 10B includes: an ion source 30; a vacuum chamber 40 into which a sample ion ionized by the ion source 30 is introduced; and a turbomolecular pump 50, 50A, 50B configured to maintain the vacuum chamber 40 in a vacuum. The turbomolecular pump 50, 50A, 50B is provided above the vacuum chamber 40 in a vertical direction.

The invention provides a cycloidal mass spectrometer and a method for adjusting resolution thereof. The spectrometer comprises a set of magnets, providing a magnetic field; two sets of electrode arrays, opposing to each other parallelly, each set of the electrode array including a plurality of strip electrodes arranged parallelly; at least one DC power supply, providing DC voltages to each set of the electrode array to form a DC electric field, the direction of the electric field being perpendicular to the direction of the magnetic field, and the electric field and the magnetic field superimposed on each other to form an electric-magnetic cross-field; an ion injection unit, configured to inject ions into the electric-magnetic cross-field. Said ions travel along a cycloidal trajectory in the electric-magnetic cross-field, in which the magnetic field intensity and the electric field intensity decrease simultaneously within at least part of the region in said cycloidal trajectory.

The invention generally relates to systems and methods for analyzing operational status of an electronic instrument. In certain embodiments, the invention provides systems that include a sampling module that operable couples to an electronic instrument in a manner that the sampling module receives a vapor emitted from the electronic instrument, the sampling module comprising an ionization source and one or more mass analyzers to thereby produce a chemical signature of one or more analytes in the vapor; and an analysis module operable coupled to the sampling module to receive the chemical signature of the one or more analytes in the vapor and compare the received chemical signature to a database of known chemical signatures to thereby determine operational status of the electronic instrument.

What is disclosed herein are quadrupole mass filters (QMF) and related methods. The QMFs may have a relatively high surface roughness and / or be additively manufactured, wherein the QMF may be configured for ion filtering in a mass spectrometer. The methods may comprise: a. applying transverse sections to produce a dielectric part; b. masking one or more surfaces of the dielectric part to produce a partially masked dielectric part; c. positioning a metal on the partially masked dielectric part with a metal conductor to produce one or more electrically conductive surfaces on the printed part; and d. removing the mask from the printed part to produce a finished QMF; wherein the QMF is configured for ion filtering in a mass spectrometer.

A mass spectrometer (10), (10A), (10B) is provided with: an ion source (30); a vacuum chamber (40) into which the sample ionized by the ion source (30) is introduced; and turbo molecular pumps (50), (50A), (50B) that hold the vacuum chamber (40) in a vacuum state, the turbo molecular pumps (50), (50A), (50B) being provided above the vacuum chamber (40) in the vertical direction.

The invention generally relates to sample analysis with a miniature mass spectrometer. In certain embodiments, the invention provides methods that involve generating ions of a first analyte and ions of a second analyte. Those ions are transferred through a discontinuous sample introduction interface into a first ion trap of a mass spectrometer in a manner in which the discontinuous sample introduction interface remains open during the transferring. The discontinuous sample introduction interface is closed and the ions are sequentially transferred to a second ion trap of the mass spectrometer where they are sequentially analyzed.

The invention generally relates to sample analysis with a miniature mass spectrometer. In certain embodiments, the invention provides methods that involve generating ions of a first analyte and ions of a second analyte. Those ions are transferred through a discontinuous sample introduction interface into a first ion trap of a mass spectrometer in a manner in which the discontinuous sample introduction interface remains open during the transferring. The discontinuous sample introduction interface is closed and the ions are sequentially transferred to a second ion trap of the mass spectrometer where they are sequentially analyzed.

This invention relates to the field of liquid chromatography-mass spectrometry (LC-MS), specifically a small LC-MS based on high-precision voltage measurement. It includes a housing with a shell bolted to the top. Inside the shell are a primary chamber, a secondary chamber, and a mounting area, arranged vertically. An ion funnel is located inside the primary chamber, and a conical plate is bolted to the top of the inner wall of the secondary chamber. The linear ion trap of this invention is a dual-potential-well plane, capable of separately collecting incoming ions and controlling the cooling and ejection of confined ions. Compared to a single-potential-well plane ion trap, it provides more thorough ion collection and focusing. Furthermore, the working cycle, ion flux, and ejected ions of the dual-potential-well plane ion trap meet the requirements of a multiple reflection time-of-flight mass spectrometer (MRFMS), and it can be coupled to provide high-flux, state-concentrated introduced ions, significantly improving the detection accuracy and precision of the LC-MS.

A mass spectrometer (100) is provided with: an ion source (101) that ionizes a sample; a detection unit (105) that has a photomultiplier tube (105a) and analyzes the mass of the sample ionized by the ion source (101); a vacuum chamber (102) that connects the ion source (101) and the detection unit (105); a vacuum gauge (106) that measures the degree of vacuum inside the vacuum chamber (102); and a data analysis unit (112) and an analysis control unit (113) that corrects the setting of the photomultiplier tube (105a) using the electrons radiated from the vacuum gauge (106).

Example ion trap chips and quantum computing methods are described. One example ion trap chip includes a plurality of first ion traps and a plurality of second ion traps. Each first ion trap is configured to store an operation ion, where two adjacent first ion traps form one ion trap group. Each second ion trap corresponds to one ion trap group. Each second ion trap is configured to perform quantum operations of operation ions stored in a corresponding ion trap group, and each second ion trap is located between two first ion traps in a corresponding ion trap group. Operation ions stored in first ion traps in an ion trap group are transported to a corresponding second ion trap along a straight line.

Provided are a mass spectrometer and a calibration method for a mass spectrometer capable of performing calibration more easily than one in the related art. A mass spectrometer 100 according to the present embodiment described above includes: an ion source 101 configured to ionize a sample; a detection unit 105 including a photomultiplier tube 105a and configured to analyze a mass of the sample ionized by the ion source 101; a vacuum chamber 102 configured to allow the ion source 101 to communicate with the detection unit 105; a vacuum gauge 106 configured to measure a vacuum degree inside the vacuum chamber 102; and a data analysis unit 112 and an analysis control unit 113 configured to calibrate setting of the photomultiplier tube 105a using electrons emitted from the vacuum gauge 106.