MAGNETORESISTANCE EFFECT ELEMENT

摘要

PURPOSE:To decrease the variation in read-out output and to increase the read- out output value, by providing highly permeable magnetic films near a magnetoresistance effect film so as not to be contacted therewith and providing a single-domain magnetic pressure structure in the mangetoresistance effect film. CONSTITUTION:Thick and highly permeable films 6 are arranged adjacent to a magnetoresistance film 4 through insulation films so as to enable the focali zation of a magnetic field. According to this arrangement, a single magnetic domain can be provided in the magnetoresistance film with a good re producibility and the hysteresis can be eliminated. Accordingly, the variation in output voltage is not caused pratically and the output voltage can be almost its maximum value. Since the element can be used with a high output voltage, a maximum output value can be obtained.