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公开(公告)号：FR2332587A1
公开(公告)日：1977-06-17
申请号：FR7631436
申请日：1976-10-11
Applicant: IBM
Inventor： KRONGELB SOL , MAYADAS ASHOK F , BAJOREL CHRISTOPHER H , HEMPSTEAD ROBERT D
Abstract: A magnetoresistive permalloy film is deposited upon a substrate and coated with a separating layer composed of titanium or a similar high resistivity, conductive material. A soft biasing layer of a material such as permalloy or a hard biasing material such as cobalt chromium is deposited upon the separating layer to complete a sandwich. All layers are coextensive in outline because their outlines are formed by a single etching step.
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