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Àڱ⼾¼(Magnetic sensor)¿¡ ÀÀ¿ëµÇ´Â ¿ø¸®µé
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Year | Effect | Explanation | Technical Use |
1842 | Joule effect | Change in shape of a ferromagnetic body with magnetization | In combination with piezoelectric elements for magnetometers and potentiometers |
1846 | E effect | Change in Young's modulus with magnetization | Acoustic delay line components for magnetic field measurement |
1847 | Matteucci effect | Torsion of a ferromagnetic rod in a longitudinal field changes magnetization | Magnetoelastic sensors |
1856 | Thomson effect | Change in resistance with magnetic field | Magnetoresistive sensors |
1858 | Wiedemann effect | A torsion is produced in a current carrying ferromagnetic rod when subjected to a longitudinal field | Torque and force measurement |
1865 | Villari effect | Effect on magnetization by tensile or compressive stress | Magnetoelastic sensors |
1879 | Hall effect | A current carrying crystal produces a transverse voltage when subjected to a magnetic field vertical to its surface | Magnetogalvanic sensors |
1903 | Skin effect | Displacement of current from the interior of material to surface layer due to eddy currents | Distance and proximity sensors |
1931 | Sixtus Tonks effect | Pulse magnetization by large Barkhausen jumps | Wiegand and pulse-wire sensors |
1962 | Josephson effect | Tunnel effect between two superconducting materials with an extremely thin separating layer; quantum effect | SQUID magnetometers |
ÀÚ±âÀå ŽÁö¼¾¼ÀÇ ºÐÇØ´É ºñ±³
ÀÚ±âÀåŽÁö±â¼ú |
ŽÁö°¡´ÉÇÑ field (gauss) |
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1. Search coil 2. Flux gate 3. Optically Pumped 4. Nuclear Precession 5. SQUID 6. Hall Effect 7. Magnetoresistive 8.Magnetodiode 9. Magnetotransister 10. Fiber optic 11. Magneto Optical |
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* James E. Lenz, A Review of Magnetic Sensors 1990 IEEE¿¡¼ ÀοëÇÔÀ» ¾Ë¸³´Ï´Ù.
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