Method of manufacturing a magnetic device

Details Method of manufacturing a magnetic device Method of manufacturing a magnetic device

1978-11-09

1980-12-09

Pianalto, Bernard D.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156646, B44C 122

Patent

active

042382777

ABSTRACT:
A method of manufacturing a magnetic device for propagating and detecting magnetic domains. At least one thin domain layer of a magnetizable material is provided on a nonmagnetic substrate body and hereon are provided a number of layers of which there are at least a detection layer of magnetoresistive material and a layer of electrically insulating nonmagnetic material. The latter is provided with a propagation layer of magnetizable material in a pattern which satisfies the requirements of propagation of magnetic domains and the requirements of detecting magnetic domains. The non-covered parts of at least the layer of electrically insulating, nonmagnetic material and of the layer of magnetoresistive material are successively removed, each time by means of a method which does not substantially attack the pattern of the material present above the relevant layer.

REFERENCES:
patent: 3808068 (1974-04-01), Johnson et al.
patent: 4013803 (1977-03-01), Josephs
patent: 4030967 (1977-06-01), Ingrey et al.
patent: 4060448 (1977-11-01), Nemiroff et al.

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