Agglomerated magnetic particles generate circulating motion to penetrate complex occlusions, enabling high-precision imaging of hidden morphology.
Magnetic resonance imaging apparatus divides the ky-kz plane into center-in and center-out regions using radial trajectories.
An integrated RF pulse train rotates water magnetization by 360 degrees to achieve T2 weighting while suppressing fat signals.
Segmented measurement phases using multiple test vessels determine magnetic field homogeneity deviations, reducing device complexity and calibration time.
A magnetoresistive element detects rotation of a magnetized rotor by maintaining a fixed gap and aligning its plane with the rotation shaft.
A folded quarter wave balun assembly eliminates tuning capacitors to reduce noise and stray RF currents while maintaining measurement accuracy.
Segmenting the spectrum into interleaved passes reduces crosstalk artifacts while maintaining short sequence repetition times for T1 contrast.
Dual Hall sensors compare magnetic patterns against preset values to identify motor drive circuit faults, preventing vehicle rollbacks when drivers exit.
A spiral-opening access device merges visualization and treatment into one session, eliminating image fusion inaccuracies during interventional procedures.
Genetic algorithms optimize magnetic dipole positions to minimize field inhomogeneity.
Multivariate statistical analysis of nuclear magnetic resonance urine data differentiates asthma states without invasive procedures.
A wireless energizing unit with a Halbach array produces a planar magnetic field for flaw detection in ferromagnetic materials.
Radial field sensing reduces interference from adjacent magnets and improves mounting flexibility for accurate flow recording.
A magnetic field sensor uses shared readout electrodes among Hall elements to determine angular position via differential voltage.
Segmenting the coil module from the base plate resolves adaptability trade-offs, enabling accurate multi-dimensional sensing performance assessment.
Exchange coupling between a hard core and soft shell maintains high magnetic performance above 150°C without rare-earth metals.
Gradually varying the magnetic volume ratio in a transition section resolves rotation angle detection errors across wide ranges.
A multipole permanent magnet paired with vertical Hall sensors measures rotation angles through symmetrical field detection.
Magnetic sensors in a fuel tank cap detect locking component rotation to distinguish intentional removal from accidental shifts, reducing false alarms.
A tunneling magnetoresistance sensor sense layer structure uses ex-situ interfaces to trap nickel atoms and maintain soft ferromagnetic properties.
Integrated circuit sensor detects angular rotation speed and direction using two sensing elements and a single output port.
Cartesian continuous sampling integrates calibration data into the imaging trajectory to reduce scan time.
A phantom uses a foam separation element to subdivide its interior volume into smaller portions.
A magnetic resonance system establishes a dynamic magnetization steady state to enable continuous slice offset imaging.
Integrating an on-chip capacitor within the magnetic sensor substrate eliminates external decoupling components, reducing package size and manufacturing costs.
Cartesian continuous sampling merges calibration data acquisition with imaging sequences in parallel MRI systems.
A Hall sensor arrangement with overlapping measuring areas on a shared carrier substrate achieves redundant magnetic field detection.
Deriving time-space sensitivity distributions from arranged k-space data to reconstruct images without artifacts during fast parallel imaging.
Embedded volumetric navigators extract phase offsets from single acquisitions to correct resonance frequency drifts without extending scan time.
A diffusion MRI method quantifies iron deposits using bipolar gradient sequences to isolate local magnetic field effects.
Segmented spoiler and rewind gradients eliminate free induction decay artifacts without lengthening echo space or degrading slice resolution.
A multiple pin probe selects current-carrying and voltage-metering pins to enable simultaneous electrical measurements.
Flexible organic p-n junction magnetic sensors detect early dendrite growth and internal shorts to prevent catastrophic failure.
A beam shutter uses a magnetic field sensor to monitor holding arm position via permanent magnet interaction.
Nested optimization adapts individual sensor models from a general framework, reducing calibration complexity and data requirements.
A segmented local coil with a central opening and peripheral antenna elements supports percutaneous magnetic resonance interventions.
Parallel cooling pipes circulate coolant in opposite directions to eliminate temperature gradients and ensure uniform cooling of the MRI gradient coil.
Dynamic spring and damper pairs adjust stiffness per pulse sequence to suppress gradient coil vibration propagation.
Segmented RF parameter determination reduces adjustment time while maintaining B1 field homogeneity in high-field magnetic resonance imaging.
A shimming device correction method uses phase image symmetry estimation to determine the optimum deployment point for MRI systems.
Linear class large tip angle approximation designs multi-channel RF pulses for arbitrary flip angles, overcoming small tip angle limitations in MR imaging.
Elastically deformable support legs absorb displacement to stabilize the MRI apparatus, reducing vibration-induced image quality loss in high-field systems.
Graded impurity concentrations in the semiconductor channel layer minimize spin attenuation and maintain low element resistance.
A modified Dixon technique measures signals at arbitrary echo times to reconstruct water and fat images.
Measuring solvent water R2 detects chemical degradation without sample preparation, ensuring pharmaceutical safety.
Adiabatic inversion pulses compensate for inhomogeneous B1 and B0 fields to maintain image contrast without increasing device complexity.
A magnetic sensor uses differing free layer stripe heights to stabilize magnetization and reduce noise.