Magnetic field sensor and system for measuring a magnetic field

Details Magnetic field sensor and system for measuring a magnetic field Magnetic field sensor and system for measuring a magnetic field

G - Physics

01

R

G01R 33/02 (2006.01) G01R 33/038 (2006.01) H01F 5/00 (2006.01)

Patent

CA 2291406

A magnetic field sensor comprises a first conductor, a first insulating film, a second conductor, a second insulating film and a third conductor. The first conductor is composed of a "C-shaped" portion, which is formed in a C- like shape, and a linear portion, which is connected to one side of the "C-shaped" portion which is opposite to a gap of the "C-shaped" portion. The first insulating film is formed on the first conductor and has a hole in a predetermined position. The second conductor is formed in a ladle-like shape, and is formed on the first insulating film such that its one side (corresponding to the front end of the ladle) overlaps with a straight line through the outer edges of both ends of the "C-shaped" portion. One side, corresponding to the front end of the ladle, of the second conductor crosses over the gap from one end of the "C- shaped" portion to the other end, and is connected to the other end of the "C-shaped" portion via a hole of the first insulating film. The second insulating film is formed on the second conductor and has a hole formed in a position substantially identical with a position of the first insulating film. The third conductor is formed in a shape substantially identical with a shape of the first conductor. The third conductor is formed on the second insulating film and is connected to the second conductor via the hole of the second insulating film. The first, second and third conductors are thus connected with each other, thereby forming a loop.

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