Magnetic field sensor and system for measuring a magnetic field including a plurality of conductors electrically connected in a loop
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 20, 2001
Grant Date -
N/A
app pub date -
Dec 2, 1999
filing date -
Jun 1, 1999
priority date (Note) -
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Abstract
A magnetic field sensor has 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 which an outer edge of one end and an outer edge of the other end 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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