RF ion guide with axial fields
DG Welkie - US Patent 9,613,788, 2017 - Google Patents
RF ion guides are configured as an array of elongate electrodes arranged symmetrically
about a central axis, to which RF voltages are applied. The RF electrodes include at least a …
about a central axis, to which RF voltages are applied. The RF electrodes include at least a …
Multipole PCB with small robotically installed rod segments
ST Quarmby, JP Hauschild, JM Hitchcock - US Patent 9,870,906, 2018 - Google Patents
A radio frequency multipole assembly includes first and second printed circuit boards. Each
printed circuit board includes a substrate, at least two rows of conductive pads, and a …
printed circuit board includes a substrate, at least two rows of conductive pads, and a …
RF ion guide with axial fields
DG Welkie - US Patent 10,032,617, 2018 - Google Patents
RF ion guides are configured as an array of elongate electrodes arranged symmetrically
about a central axis, to which RF voltages are applied. The RF electrodes include at least a …
about a central axis, to which RF voltages are applied. The RF electrodes include at least a …
RF ion guide with axial fields
DG Welkie - US Patent 10,453,666, 2019 - Google Patents
RF ion guides are configured as an array of elongate electrodes arranged symmetrically
about a central axis, to which RF voltages are applied. The RF electrodes include at least a …
about a central axis, to which RF voltages are applied. The RF electrodes include at least a …
Apparatus, system, and method for transferring ions
M Taghioskoui - US Patent 12,089,932, 2024 - Google Patents
An ion transfer device that includes first and second ion guides, one or more RF voltage
sources, and one or more DC voltage sources that produce first and second potential …
sources, and one or more DC voltage sources that produce first and second potential …
RF ion guide with axial fields
DG Welkie - US Patent 10,796,893, 2020 - Google Patents
RF ion guides are configured as an array of elongate electrodes arranged symmetrically
about a central axis, to which RF voltages are applied. The RF electrodes include at least a …
about a central axis, to which RF voltages are applied. The RF electrodes include at least a …
RF ion guide
P Dominguez, H Javaheri - US Patent 10,475,633, 2019 - Google Patents
A mass spectrometer is provided having an ion source for generating ions from a sample in
a high pressure region, a first vacuum chamber having an inlet aperture, and an exit …
a high pressure region, a first vacuum chamber having an inlet aperture, and an exit …
Combined radioactive source for gamma-neutron tool
RW Pennison, PA Cooper - US Patent 10,209,396, 2019 - Google Patents
(57) ABSTRACT A first set of radiation detectors may be disposable on the a drill string,
wherein the first set of radiation detectors are capable of detecting gamma radiation and …
wherein the first set of radiation detectors are capable of detecting gamma radiation and …
Ion mobility spectrometer and method of analyzing ions
S Hopkins, JB Pawliszyn - US Patent 11,874,251, 2024 - Google Patents
An ion mass spectrometer that has an ion channel shaped to modify the speed of a carrier
gas as the carrier gas traverses the ion channel. In one case, the ion channel has a tapered …
gas as the carrier gas traverses the ion channel. In one case, the ion channel has a tapered …