| 摘要 |
<p>PURPOSE:To achieve a smaller size eliminating assembling at a sensor section by providing a permanent magnet which is so arranged that a specified biased magnetic field is applied roughly at 45 deg. to the length of respective magnetoresistance elements of first and second half bridge circuits. CONSTITUTION:First and second half bridge circuits 21 and 31 made up of fixed resistance elements 3 and 8 comprising a resistor thin film and magnetoresistance elements 2 and 7 comprising a fine line-shaped ferromagnetic thin film connected in series on an insulation substrate 1 are formed so as to be at the right angle between lengths of the magnetoresistance elements 2 and 7 thereof. A permanent magnet 12 is fixed on the underside of the insulation substrate 1 so that a specified biased magnetic field 22 is applied roughly at 45 deg. to the length of the first magnetoresistance element 2 and roughly at 45 deg. to the length of the second magnetoresistance element 7.</p> |
