Magnetic Measurements TRIZ Cases

A TMR-triggered switch keeps wearable analyte sensors off in storage, preventing false wake-ups and preserving battery life.

A hollow sense-layer geometry creates a coreless vortex, giving zero remanence and clearer high/low resistance states across temperature.

A thin Ta insert in the TMR reference layer preserves stiffness and TMR response while reducing high-field angular error.

An insulating support separates the IC from the conductor, reducing thermal stress while improving resin fill and insulation reliability.

A thermal gradient structure lets liquid helium run below its boiling point while maintaining positive pressure to prevent air ingress.

A split magnetic core around the conductor boosts Hall sensor sensitivity in power modules while saving space and simplifying sensor integration.

A two-vessel helium buffer adds cryogenic heat capacity while limiting warm-up pressure, preventing air ingress, and extending magnet ride-through time.

A magnetic sensor triggers a resistive load to burn off battery passivation in sealed IoT sensors, restoring voltage before deployment.

A sidewall minute-particle region creates a parallel current path that shunts excess current away from the magnetic tunnel junction.

Magnetically decoupled free-layer grains enable gradual switching, controllable intermediate resistance states, and scalable low-power spintronic arrays.

A magnetic field drives HTS switching between resistance states to rectify AC with lower cryogenic heat load and less system complexity.

Segmented transmitter magnetization cuts transverse field interference, enabling flexible sensor placement for reliable linear or rotational motion detection.

Self-aligned hard mask removal separates array and logic via formation in MRAM, improving alignment, planarization, and process control.

Spin-orbit torque wiring generates pure spin current to switch magnetization with lower reversal current density, extending element lifespan.

Magnetic field mapping on a battery surface enables stable type and authenticity identification without relying on time-varying electrochemical traits.

Magnetic sensor switching plus terminal contact checks improve wireless earphone in-case detection despite poor metal contact and case faults.

Magnetic field mapping on a battery surface identifies type and authenticity from stable current-collector signatures, avoiding degradation-based errors.

An embedded package trace brings current closer to the Hall die, improving measurement accuracy while simplifying leadframe-based assembly.

Ordinary metals generate orbital current, while a thin heavy-metal layer converts it to spin current for magnetic sensing and data storage.

Ferroelectric-induced strain modulates exchange coupling to switch magnetization states more reliably than current-driven control in MRAM cells.

A TMR sensor and lock-controlled switch keep wearable analyte monitors off until a valid trigger, cutting standby drain and false wake-ups.

An implantable nested bioresorbable RF coil boosts MRI SNR and resolution for nerve regeneration monitoring without permanent foreign-body risk.

A fluoride insulating layer boosts perpendicular magnetic anisotropy while preserving TMR, improving thermal stability and magnetic field detection.

A soft ferromagnetic structure stresses a piezoelectric layer to create a passive CMOS-compatible switch with lower cost and better sensitivity.

A stacked wafer vertical Hall layout uses four-fold symmetry and deep trench isolation to raise sensitivity and cut residual offset.

A discontinued-loop magnetic antenna array shrinks LPWAN sensor nodes while improving tuning and signal links in partially shielded environments.

A form-fit housing lets AMR wheel speed sensors handle thermal stress while setting radial cable outlet angles for tight utility vehicle spaces.

Spiral winding grooves and communication grooves guide superconducting wire placement to achieve precise coil shape and stable MRI field uniformity.

A field coil section doubles as the persistent switch, cutting separate switch cost while supporting stable, homogeneous magnetic fields.

A coil, magnetoresistive sensor, and switch IC replace mechanical contacts to drive high-power external circuits with longer relay life.

A Hall IC uses shared failure detection and output switching to send fault commands externally and keep vehicle sensor systems stable.

A molded metal circuit replaces costly FPC wiring in a voice coil motor base, cutting assembly steps while improving production stability.

A magnetically conductive unit around a surface-mounted magnetic sensor guides field lines and blocks external interference for more accurate current sensing.

Voltage sensors and a protection switch divert current from HTS leads during quench events, limiting Joule heating and helium loss in sealed MRI magnets.

A three-magnet gap with ferromagnetic elements improves field homogeneity, cuts size and weight, and limits fringe fields.

A spacer between the shield and coil blocks eddy current interference while preserving external noise shielding and sensor detection accuracy.

A shared cooling plate uses water and thermal conduction to cool MRI ramp electronics, cutting separate coolers, space, and wiring complexity.

Switching an eight-element MR bridge between modes isolates electrical offset and drift, improving magnetic field measurement accuracy.

Two independently rotatable rotors with simple magnets and redundant sensors enable compact multi-control sensing with lower cost and less interference.

A GMI protective layer combines electromagnetic shielding with impedance-based attack detection, including when the chip or SiP is unpowered.

Magnetic labels and an MTJ readout detect analyte binding on a lipid layer with lower background noise and fewer false positives.

Magnetic flux in an EMI shielding coil triggers resistor heating to quench the primary superconducting magnet without heaters or vacuum puncture.

An AF-coupled biased free layer tunes saturation field without tight thickness control, improving MR sensor uniformity and reducing noise.

An inductor detect circuit verifies coil connection before DC-DC startup, avoiding false mode switching and keeping LDO operation seamless.

Low-expansion CFRP and Invar in the magnet-to-shim mounting path limit thermal drift and keep NMR field homogeneity stable.

A switchable secondary superconducting coil changes MRI static field strength quickly while limiting AC loss, voltage spikes, and quench risk.

Continuous superconducting wire links opposite coil segments to avoid joint resistance, extending MRI persistent current mode and field stability.

A synthetic antiferromagnetic biasing structure with an exchange-tuning spacer reduces edge-field interference and stabilizes sensor repeatability.

Grooved coil formers shift HTS-LTS joints into lower-field regions, preserving current capacity while keeping solenoidal coils compact.

IGBT switches and Hall-effect current sensing interrupt battery transient fault currents within microseconds to prevent false grid trips.

Ferromagnetic intermediaries concentrate flux from permanent magnets to create homogeneous fields without adding coils or increasing weight.

Nested conductive tubes with aligned longitudinal slots compress magnetic flux in a central aperture, overcoming permanent magnet saturation limits.

Single-piece additive manifolds eliminate braze joints and reduce mechanical failure risk in MRI gradient coil cooling assemblies.

A sensor assembly determines magnetization direction using spaced magnetic field sensors and processing means to combine detected components.

A three-terminal spin accumulation read head uses a non-magnetic conductive layer to transport spin current from a reference structure to a free layer at the air bearing surface.

Homodyne filtering estimates phase distribution across the frequency range to minimize artifacts from asymmetric sampling.

Segmented MRI compatible cannula with integrated antenna resolves trade-off between device complexity and precise lead placement accuracy.

A tunnel magnetoresistance sensor uses a Heusler alloy layer and crystalline MgO barrier to enhance spin polarizability.

A magnetoresistive sensor uses a wider extension portion to enable soft switching of magnetization.

A magnetic memory device shares a patterned conductive layer between the memory unit and circuit area.

Dual power supply circuits feed four Hall elements to maintain abnormality determination when one circuit fails.