Method of manufacturing heat resisting magnetic scale

Details Method of manufacturing heat resisting magnetic scale Method of manufacturing heat resisting magnetic scale

1990-04-24

1991-12-31

Kastler, S.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148306, 148903, 428611, H01F 100

Patent

active

050768620

ABSTRACT:
A method of manufacturing a heat resisting magnetic scale is disclosed which comprises a manufacturing process in which at least a part of a heat resisting base is heated and immediately cooled for the purpose of fusing the heated part to the base and changing both the magnetic characteristics of the part of the base which has been heated and the Curie point of the part which has been heated is raised to 100.degree. C. or higher.

REFERENCES:
patent: 2914756 (1959-11-01), Heidenhain et al.
patent: 3243692 (1966-03-01), Heissmeier et al.
patent: 4510371 (1975-04-01), Nakamura et al.
patent: 4552596 (1985-11-01), Ichiyama et al.
patent: 4871624 (1989-10-01), Nakamura
Kamewaka et al., "A Magnetic Guidance Method for Automated Guided Vehicles", pp. 69-74, 12/87.
Uemura et al., "Application and Precision of Measuring Instrument Using Magnetic Scale", vol. 20, pp. 12-19, 12/87.

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