Method for making permanent magnet type demagnetizing head

Details Method for making permanent magnet type demagnetizing head Method for making permanent magnet type demagnetizing head

1990-06-06

1992-01-07

Hall, Carl E.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

29603, 26427216, 360122, G11B 542

Patent

active

050789449

ABSTRACT:
A permanent magnet type demagnetizing head is made by successively molding a resin-magnet which forms a body having a magnetic member forming a part of a tape contact surface and a resin which forms protection member forming a remainder part of the tape contact surface, and therefore a manufacturing process is simplified, and further quality of the demagnetizing head is improved, since size precision is enhanced.

REFERENCES:
patent: 4706145 (1987-11-01), Hirabayashi et al.

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