Magnetisation Measurements TRIZ Cases
- Helium-3 Refrigerator Main Pipe Materials for Low-Background Magnetization
Titanium and copper tube selection cuts ferromagnetic background hysteresis, enabling reliable MPMS magnetization measurement down to 0.3 K.
- Skewed Magnetic Core Assembly for Bias-Free Saturation Detection
Core geometry induces transverse voltage from normal power flux, enabling magnetic saturation detection without a bias current or added circuit complexity.
- Magnetic Core Assembly for Bias-Free Saturation Detection
Core geometry induces a transverse voltage from power flux, enabling magnetic saturation detection without bias current, extra circuitry, or added loss.
- Magnetizing Pulse Detection Circuit for Polarity Validation
A measuring coil and pulse extension circuit turn brief high-intensity magnetizing pulses into reliable polarity and process validation signals.
- Magnetizing Pulse Detection Circuit for Orientation Validation
A measuring coil and pulse extension circuit turn short magnetizing pulses into detectable signals for process validation and field orientation checks.
- PUF-Based TMR Magnetometer Circuit for IoT Sensor Security
Random TMR fabrication variations generate PUF response signals that secure IoT magnetometer data without heavy encryption hardware.
- SAF Magnetoresistive Stack for Zero-Field Sensor Sensitivity
Using SAF reference and free layers with tuned RKKY coupling, this stack preserves sensor sensitivity while canceling radiated magnetic fields.
- NdFeB Magnet Demagnetization Detection by Magnetic Pole Distribution
A reverse magnetic field reveals irreversible demagnetization in grain boundary diffusion NdFeB magnets by changes in surface pole distribution.
- NdFeB Magnet Demagnetization Detection by Surface Pole Distribution
A reverse magnetic field reveals irreversible demagnetization in grain boundary diffusion NdFeB magnets through surface pole changes without cutting.
- Magnetic Media Demagnetization With Closed-Loop Field Control
Multi-source sensing and closed-loop magnetic field control adapt demagnetization parameters to media characteristics for faster, more consistent erasure.
- NdFeB Magnet Demagnetization Detection by Pole Distribution
A reverse magnetic field reveals pole changes on the non-diffusion face, enabling non-destructive detection of irreversible NdFeB demagnetization.
- Magnetic Bearing Rotor Magnet Assembly for Stray Field Minimization
Measured dipole and quadrupole moments guide rotor magnet placement to minimize stray fields from turbomolecular pump magnetic bearings.
- Storage Battery Magnetic Inspection With Magnetization Cancellation
An AC-driven magnetic sensing scheme uses a canceling coil to remove magnetization interference and inspect storage batteries accurately.
- MTJ Magnetic Angular Sensor Stack for Low- and High-Field Accuracy
Antiferromagnetically coupled sensing layers in an MTJ angular sensor cut low- and high-field angular errors and widen operating margin.
- Portable Fixed-Field Magnetometer for Precise Nanoparticle Detection
A fixed-field permanent magnet and piezoelectric sensing scheme enables portable, precise measurement of magnetic nanoparticle signals and quantity.
- Magnetic Utility Locating with Signal Clustering in Multi-Utility Areas
Clusters magnetic field signals to separate buried utilities from metallic interference, enabling precise mapping in dense multi-utility areas.