| 摘要 |
Thin film magnetic heads each having non-parallel asymmetric rails are manufactured by, forming a multiplicity of thin film magnetic transducers on a substrate, for a matrix distribution of magnetic heads to be produced from the substrate; testing all the magnetic transducers and discriminating them into good ones and failed ones; assigning a rail pattern to each of the magnetic heads, which pattern utilizes a good magnetic transducer; severing the substrate into respective rows; polishing an air bearing surface on each row; forming a resist layer on the air bearing surface of each row; positioning the rows in an exposing apparatus; exposing the assigned rail pattern on the resist layer in each magnetic head region of each row.
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