A magnetic tunnel junction uses two epitaxial ferromagnetic layers separated by a tunnel barrier oxide layer formed via controlled oxidation.
Zero flip-angle pseudo-steady state preparation transitions to higher flip angles, correcting RF inhomogeneity artifacts and improving signal-to-noise ratio.
A circuit component applies alternating electrical signal levels across a tunnel barrier layer to modulate perpendicular magnetic anisotropy for offset correction.
A navigation system compares preoperative and intraoperative nerve tract positions using marker devices to identify spatial variations.
Segmented plug and cap components maintain pressures above 400 psi, enabling accurate material characterization under simulated downhole conditions.
A condensation particle counter uses a hydrophilic tube to enable water vapor condensation on fine particles for optical detection.
Deployable barriers constrain stray magnetic fields from high-intensity mobile MRI magnets, enabling safe operation within standard trailer dimensions.
A powder sensor uses a phase judgment circuit to monitor terminal voltage signals from a piezoelectric element.
A magnetic field sensor integrates a current carrying coil structure to produce a vertical magnetic field component for stimulating in-plane sense elements.
A computerized mediator unit exchanges parameters between program units to enable dynamic pulse sequence design.
Digitizing MR signals locally reduces coaxial cable complexity and improves system reliability.
Adjustable oval coils in a concave shell improve signal-to-noise ratios by positioning elements close to the region of interest.
Reinforced wire assembly electrically couples inner and outer MRI gradient coils, resisting mechanical stress from opposing electromagnetic forces.
A secondary high temperature superconductor tape detects quench events by ceasing superconductivity at a lower temperature than the primary coil.
A 3D magnetic resonance scan sequence applies 2D CAIPIRINHA undersampling to reorganize k-space data into staggered blocks for parallel reconstruction.
Decoupled birdcage coils enclose each leg separately to maximize signal-to-noise ratio in lower extremity imaging.
A magnetic locator device uses multiple three-axis sensors and signal processing to determine bearing toward ferromagnetic objects.
A deep convolutional network replaces slow iterative algorithms to accelerate reconstruction and reduce noise in undersampled magnetic resonance imaging.
A multi-channel RF coil system reconfigures operational modes via a transceiver controller.
A boron-free ferromagnetic reference layer stack enhances spin polarization in magnetic read sensors.
A magnetic sensor integrates a calibration trace and controlled current source to generate reference fields for continuous in-system adjustment.
A magnetic resonance imaging system applies homodyne reconstruction with phase correction to compensate for missing k-space data.
A magnetic field sensor adjusts upper and lower voltage thresholds based on signal amplitude to maintain a minimum separation distance.
Segmentation and local quality resolve interference between Hall sensors in compact insulating bodies, ensuring accurate current measurement.
A flexible multilayer substrate integrates metal layers to form a Faraday enclosure for circuit devices.
A tracking device with adjustable magnetic susceptibility produces a measurable local field for accurate interventional instrument localization.
Numeric signal processing subtracts calibrated noise contributions to enhance detection precision and minimize false positives in metal detectors.
A magnetoresistive element uses elliptical laminated bodies to correct harmonic distortion in position detection devices.
Segmented back-bias magnets deflect magnetic field lines into the z-direction, reducing background interference and pre-induction values below 1 mT.
Segmented coils and optimized connecting line widths suppress error magnetic fields that generate eddy currents distorting MRI cross-sectional images.
A hinged split-core current transformer with a Hall-effect sensor measures branch circuit currents without disconnecting power.
A projector controller measures input current to regulate light source power output.
A magnetic field sensor uses internal switches to generate fault signals for self-diagnosis.
Heusler alloy lamination reduces inter-diffusion and improves grain texture, increasing the resistance change between magnetization states.
Extending Shinnar-Le Roux algorithms via parameter changes reduces computational complexity while enabling precise tissue contrast in MRI.
A magnetic sensor uses a switching circuit to invert signal polarity for detection by a single comparison device.
Multi-frequency sensor arrays detect buried utilities by measuring magnetic field asymmetry, resolving interference from crowded environments.
Composite free layer with FeSiO nanocurrent channels lowers critical current density while maintaining high TMR ratio.
Testing apparatus applies magnetic fields with different orientations to components for measuring switching threshold and speed.
Dynamic offset spectrum analysis adjusts encoding steps to correct metal-induced distortions while reducing imaging time.
Heusler alloy buffers stabilize BiSb crystal orientation and block antimony migration, enhancing spin Hall effect performance.
Asymmetric magnetic shield coils reduce stray field extent near an MRI bore to enable safe electronic equipment operation.
A current sensor applies a perpendicular bias magnetic field to enhance uniaxial anisotropy in magnetoresistive elements.
Dynamic adjustment of gradient pulse parameters reduces acoustic noise while maintaining phase-encoding bandwidth and mitigating peripheral nerve stimulation.
A magnetic film power sensor detects voltage changes to measure battery capacitance directly.
Piezoelectric deformation shifts detection frequency away from 1/f noise, improving measurement precision in magnetic field sensors.
A rotating magnetic field Hall apparatus generates in-phase and out-of-phase reference signals for phase-sensitive detection.
An asymmetric magnetoresistive layout cancels stray field interference from voice coil motors, improving position detection accuracy in magnetic encoders.