| 摘要 |
PURPOSE:To make a magnetic focusing flux pass effectively through a magnetic sensing operation layer part so as to generate a large Hall voltage, by forming a magnetic focusing material whose length is approximately equal to that of a magnetic material supporting substrate and making both members adhere to each other at their side parts and bonding them. CONSTITUTION:An insulating film 2 is formed on a ferrite substrate 1 so as to compose a magnetic material supporting substrate. A semiconductor thin film 3 of a prescribed pattern and terminal electrodes 4 to 7 are formed on this substrate. Next, a magnetic focusing member MA is mounted on this semi conductor thin film 3. A length of the magnetic focusing member MA is made approximately equal to that of the magnetic material supporting substrate. Both members are made to adhere to each other at their side parts by the use of an adhesive BA. Since such composition forms a closed state between the thin film 3 and the magnetic focusing member MA without an adhesive layer interposed, a focused magnetic flux passes effectively through a magnetic sensing operation layer part of the thin film 3. Resultingly, a large Hall voltage can be generated.
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