A varying RF multipole field and tapered electrode ratio increase ion acceptance at entry while tightening beam focus and transfer through narrow apertures.
Keyed protrusions and socketed contacts keep mass spectrometer lens elements aligned during cleaning and reassembly, reducing errors and downtime.
A flexible vacuum ion path with differential pumping and ion guides extends sampling distance while minimizing ion loss in mass spectrometry.
Secular frequency measurements at multiple RF voltages build a Mathieu q calibration curve for more accurate FT quadrupole m/z determination.
A tapered ion transport channel strengthens the electric field, limits residue buildup, and improves mass spectrometry sensitivity and resolution.
Symmetrical out-of-phase RF electrodes cut pseudopotential barriers, improving ion transmittance and beam coupling through a small aperture.
Counterflowing opposite-charge ions suppress space charge repulsion in atmospheric ion guides, improving ion focusing, flux, and MS signal.
A lateral ion outlet placed between segmented multipoles preserves axial RF confinement while integrating dual ion sources for faster mass spectrometry.
Two PCB ion paths and routing electrodes cut mass spectrometer complexity and cost while preserving reliable ion transmission and analysis.
An off-axis electron beam in the ionization chamber reduces charging at the ion exit aperture, improving ion production and mass spectrometer stability.
Direct ion injection into an RF-only guide improves transport from high-pressure sources, reducing collisional energy loss and boosting MS sensitivity.
A tilted DC gradient activates and redirects ions into an RF-confined section, improving ion-neutral separation while limiting loss and contamination.
Switchable trap and release fields accumulate more ions before mobility separation, reducing space charge and producing sharper IMS-MS peaks.
Part-machined electrode sets stay attached to frames during alignment, then are separated to achieve consistent ion guide flatness and parallelism.
Keyed spigot-aperture mounting and contact pads let mass spectrometer filaments be replaced one-handed with secure alignment and less downtime.
Evacuation chambers and a plenum remove collision gas from the cell interface, protecting mass filters while preserving ion transmission.
Pairwise aligned QJet and Q0 rodsets share RF potential through a board, cutting fabrication cost and eliminating cleaning with a disposable assembly.
Bandpass filtering in the collision cell blocks unwanted ions, reducing downstream contamination and preserving SRM signal quality and resolution.
A local gas outlet around the aperture creates a high-pressure sample zone for photoelectron spectroscopy while preserving vacuum and limiting contamination.
A DC-deflected ion beam separates ions from neutrals and droplets, improving spectrometer transmission while limiting fragmentation and electrode contamination.
Simulated double Wien filter settings help block interfering ions, reduce ion load, and improve isotopic ratio analysis without chemical cleaning.
Gastight RF ion guides separate high-gas ion regions from analyzers to cut pumping volume, size, and ion losses in mass spectrometers.
Bandpass simulation guides magnetic and electric field settings to block interfering ions and improve 87Sr to 87Rb isotope separation.
Varying AC frequency, amplitude, or waveform in a multi-pole ion path reduces noding-related particle omission and improves spectral accuracy.
Dynamic skimmer pulsing and calculated equilibration times attenuate ion beams to prevent MS/MS detector saturation and shorten scan cycles.
L-shaped electrodes strengthen quadrupolar RF confinement in PCB ion guides, improving transmission efficiency and reducing mass discrimination.
Measures radical temperature from standard-substance ion products to control ion dissociation sites and improve monovalent ion analysis.
Dual-laser ionization with switchable rejection and acceptance fields improves organic and inorganic sample analysis while reducing matrix effects.
Segmented insulative ribs and cupped sections shield standoff surfaces from filament deposits, preventing shorts in ion beam systems.
Two Wien filters with an inverting lens improve ion transmission and reduce lateral mass discrimination in isotope ratio mass spectrometry.
A tilted ion carpet with resistively coupled rings improves SID product ion collection while cutting voltage tuning complexity across instruments.
An internal-standard coating inside the dispenser chamber replaces error-prone sub-microliter pipetting and improves quantitation in complex samples.
An RF surface with a switchable DC gradient routes ions between apertures while limiting space charge, contamination, and transmission loss.
Ions are generated, separated, and detected in air without vacuum pumps, cutting mass spectrometry cost, size, and power use.
A rollable printed electrode sheet replaces stacked drift-tube rings to improve field homogeneity, cut thermal mass, and simplify IMS assembly.
Synchronized deflectors gate a continuous electron beam with photon pulses, improving temporal and spectral resolution without a pulsed source.
A progressive axial potential from interdigitated electrodes spreads focusing power, reducing charged-particle aberrations and preserving phase-space.
Repeated ion-optics mode switching compares early and later ion signals to detect contamination before sample analysis and downtime.
Phase-shifted AC waveforms on segmented electrodes drive ion separation while limiting ion heating and improving collision cross-section precision.
A bendable reduced-pressure ion path uses RF/DC-guided electrodes to move ions from remote ambient sources with lower transfer loss.
Coaxial spacers with oversized apertures create a gas-tight interface that overcomes RF potential barriers to transmit low mass-to-charge ratio ions.
Integral alignment features couple source components to a terminal lens, enabling tool-less assembly and easy cleaning to prevent contamination.
Cyclic traveling waves maintain ion trajectories in equilibrium, enabling lossless manipulation at atmospheric pressure.
Segmented electrodes generate traveling waves to reuse the drift space, resolving the trade-off between high resolution and device complexity.
Segmented vacuum chambers resolve the trade-off between pump size and ion transfer sensitivity.
Segmented electrode geometry enables pre-separation of ions before gas-phase reactions, capturing collision cross section data on products.
Enlarged aperture geometry eliminates DC gradients, reducing on-axis RF voltage penetration and improving low-mass ion stability.
Insulator notches position conductive rods for reliable electrical connectivity, eliminating costly soldering and skilled labor requirements.
Segmented ion channels with asymmetric gap widths improve detection sensitivity and repeatability in gas-phase chemical analysis.