MANUFACTURING METHOD FOR MAGNETO-RESISTANCE EFFECT THIN-FILM

摘要

PROBLEM TO BE SOLVED: To cope with a narrow gap by using a thinner film thickness. SOLUTION: An anti-ferromagnetic layer 7 of a spin valve film 1 is film- formed to a thickness equal to a critical film thickness which has been known. Then the anti-ferromagnetic layer 7 is thermally processed before etching. Thus, the entire film thickness of spin valve film 1 can be thinner while the switched connection magnetic field at the anti-ferromagnetic film 7 is held.