Method for manufacturing a floating type thin film magnetic head

Details Method for manufacturing a floating type thin film magnetic head Method for manufacturing a floating type thin film magnetic head

1979-02-23

1980-10-07

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

204192EC, 219121EB, G11B 542

Patent

active

042260183

ABSTRACT:
An improved method for manufacturing a floating type thin film magnetic head, which comprises the steps of depositing numerous thin film transducers in a matrix form on a lapped plain surface of core block stock; cutting the core block stock into a plural number of narrow parallelepiped core blocks each containing a row of deposited thin film transducers; placing a thin patterned mask on the lapped recording medium-facing plane surface of each slender core block; ion-etching the tape-facing plane of each narrow core block by irradiating accelerated ions of argon gas through the patterned mask to provide an air-bearing surfaces for the respective magnetic heads; and cutting up the respective processed narrow core blocks into individual magnetic heads.

REFERENCES:
patent: 4045864 (1977-09-01), Morokuma et al.

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