Magnetic Measurements TRIZ Cases

Segmented earplug design minimizes device volume to enable close MRI coil positioning without acoustic interference.

Alternating sign radio-frequency pulses enhance T2-sensitivity and reduce motion artifacts during cardiac imaging acquisition.

An ultra low output impedance RF power amplifier transforms drain-source resistance to decouple transmit coils in parallel MRI systems.

Local nonlinear gradients up to 450 mT/m boost signal strength and contrast, resolving weak gradient limitations in prostate cancer detection.

A nested conductive channel extends longitudinally to create a portable Faraday cage, eliminating the need for dedicated RF-shielded rooms.

A magnetoresistance sensor element integrates a longitudinal bias magnetic field addition magnet to autonomously adjust its output against thermal variations.

Pre-imprinted induced magnetic anisotropy stabilizes the magnetic layer against temperature changes, correcting angle errors in spin-valve MR sensors.

An inclined easy axis rotates magnetization without external fields, stabilizing spin injection and reducing ferromagnetic layer width for compact integration.

Bipolar excitation gradients and moment-nulled refocusing pulses reduce eddy current-induced field perturbations that cause destructive interference.

Uniform pinning layers with tilted free layers simplify fabrication while maintaining high sensitivity in strong magnetic fields.

Acceleration sensors replace magnetic field measurements to detect vergence angles, eliminating geographical interference for accurate refractive power control.

A magnetoresistive element incorporates an antiferromagnetic conductive layer adjacent to the storage layer.

Segmenting the magnet into a plate and ring reduces angle errors from misalignment while maintaining safe spacing.

Magnetic resonance sensors measure copper content to dynamically adjust sorting cut-off values for precise ore separation.

Segmenting echo signals into distinct groups resolves the imaging speed versus signal-to-noise ratio contradiction in susceptibility-emphasized MRI.

A magnetic field detection device uses a spin torque modulator to oscillate the sensor element at a specific frequency for enhanced sensitivity.

A machine-implemented method estimates voxel displacements between MRI images acquired with opposite gradient fields to reconstruct accurate spatial data.

Point symmetric half bridge circuits cancel isotropic elongation errors from temperature changes, ensuring stable measurement accuracy.

Segmenting echo trains with distinct crusher gradients refocuses MR signals, reducing blurring and background noise for clearer arterial visualization.

Segmenting magnetic and semiconductor regions with intermediary buffers resolves manufacturing conflicts while optimizing magnetic field paths.

Laminated lateral side shields with transition metal layers bias the magnetoresistive stack, shielding it from unwanted flux to improve read accuracy.

Multi-layer winding patterns create discrete field regions that minimize coupling with the main superconducting magnet, lowering power consumption.

Integrates vertical Hall and anisotropic magnetoresistive sensors on a single substrate to enable compact 360° rotation detection.

Angled sensor surfaces and magnetization reset enable three-axis magnetic field detection, reducing die area and signal processing complexity.

Series-connected opposing coils cancel electromagnetic coupling between adjacent RF coil loops in phased arrays.

Segmented permanent magnets and sensors detect opening processes in large-volume housings, resolving security risks from unreliable access monitoring.

Partitioned shielding and reverse coils reduce eddy current interference in planar superconducting MRI systems.

A processing circuit determines phase shift corrections between multi-turn and angle sensors, eliminating discontinuities in rotational angle position data.

A computer-implemented method groups k-space data and performs iterative motion estimation to reconstruct magnetic resonance images.

Cross-plotted permeability and nuclear magnetic resonance data identify drying inflection points to eliminate measurement errors from clay adsorbed water loss.

A q-space trajectory pulse sequence samples multiple diffusion points per repetition time to accelerate data acquisition.

Geometry model decomposition separates transmit and receive RF field inhomogeneity maps for MRI intensity correction.

Adjustable refrigerant supply and time-varying magnetic field generation for superconductive coil evaluation.

A planar Hall effect sensor uses intersecting elongated magnetic regions to measure perpendicular field components via electrical switching.

A controlled applicator system deposits corrosion preventative onto sensor surfaces using a reservoir block and discharge tubes.

MR-visible labels encode identification data via QR codes or barcodes directly into image content, preventing header information loss during format conversion.

A composite superconducting wire combines an Nb3Sn core with a NbTi outer layer to enhance magnetic field strength.

A compact current sensor uses an air-core inductor and Hall effect sensor to measure electrical signals without ferromagnetic heating.

A dielectric hard mask layer protects a magnetoresistive structure during patterning, preventing fence defects and re-deposition on step portions.

Calibration signatures correct electrical angular position to resolve periodic ambiguity and measure mechanical rotation over 360 degrees.

Local shim coils balance magnetic field interferences to enhance homogeneity in the examination volume.

A variable voltage source dynamically switches between normal and higher voltage levels, enabling post-installation sensor programming without blocking signals.

In-situ magnetic treatment removes re-sputtered metallic particles from magnetic tunnel junction sidewalls during etching.

Lateral alignment of the SOT layer with the MTJ stack directs all electric current through the active region, eliminating shunting current loss.

Calculates compensatory gradient waveforms from measured phase differences to correct non-linear concomitant fields in asymmetric coils.

Non-planar coil systems with synchronized wire height adjustment arms reduce magnetic field inhomogeneities to improve spectral resolution.

Magnetic resonance apparatus measures velocity profiles and fluid proportions using longitudinal relaxation properties.

A universal phantom with PMMA sections evaluates multiple parameters for CT and MRT equipment using a single integrated structure.

An apparatus combines MRI brain imaging with facial expression processing to quantify depression severity.

Opposing magnet pairs within a redirecting housing create a uniform field, resolving trade-offs between strength and stray interference.