Electric/Magnetic Depth Measurement TRIZ Cases
- Capacitor Test Structure for Non-Destructive Metal Recess Measurement
Capacitance from wafer test structures and aligned probe pads enables fast, non-destructive measurement of metal recess depth without spectroscopy.
- Ground-Mounted Tire Wear Sensor with Presence Trigger
A ground-mounted tire wear detection system uses a presence sensor to activate measurement only when a vehicle approaches.
- Marker Locator Depth Estimation Using Multiple Transmitters
A marker locator uses multiple transmitters to generate activation signals and detect response signals for depth calculation.
- Resonant Frequency Detection for Subsurface Material Depth
Electromagnetic signals match atomic resonant frequencies to identify subsurface materials.
- Underground Line Locator Adaptive Filtering Motion State
Motion sensor adjusts underground line locator filter bandwidth to resolve responsiveness and noise immunity trade-off.
- Multi-Layer Wear Sensor Detecting Microscale Scratches via Capacitance
A multi-layered wear sensor uses capacitance changes between plate-like conductors to monitor surface degradation.
- Automated Fastener Hole Measurement Apparatus
Automated measuring apparatuses detect fastener hole depths and diameters using computerized optical systems.
- Reluctance Sensor for Tire Tread Thickness Measurement
A reluctance sensor measures tire tread thickness using a single coil and magnetic core.
- Magnetic Tire Tread Thickness Sensor Using Ferrite Field Localization
Ferrite cores localize magnetic flux in tire tread sensors, resolving eddy current anisotropy errors while maintaining automated measurement accuracy.
- Magnetic Reluctance Sensor for Tire Tread Thickness Measurement
A magnetic reluctance sensor measures tire tread thickness using alternating field excitation and flux density detection.