Magnetic field modulation device of magnetoresistance-superconducting composite magnetic sensor and application method of magnetic field modulation device

• Main Authors: DU QINGFA, PENG JUNPING, LIU JUNWEI, SUN KUN, LI PEISEN, LUO HUIHUI, DING ZENGQUAN, HU JIAFEI, PAN MENGCHUN
• Format: Patent
• Language: Chinese; English
• Published: 23.05.2023
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention discloses a magnetic field modulation device of a magnetoresistance-superconducting composite magnetic sensor and an application method thereof.The magnetic field modulation device comprises an insulating substrate and a superconducting ring arranged on the insulating substrate, the superconducting ring is provided with two inner holes, one inner hole divides the superconducting ring into a first superconducting area and a second superconducting area, and the other inner hole divides the superconducting ring into a second superconducting area; one inner hole divides the superconducting ring into a first superconducting region and a second superconducting region, the other inner hole divides the superconducting ring into a third superconducting region and a fourth superconducting region, the first superconducting region and the third superconducting region are located on the same side of the superconducting narrow region, and heating assemblies are arranged on the first superconducting region, th