Method of producing exchange coupled magnetic thin films with po

Details Method of producing exchange coupled magnetic thin films with po Method of producing exchange coupled magnetic thin films with po

1995-10-19

1996-06-25

Pianalto, Bernard

Coating processes

Direct application of electrical, magnetic, wave, or...

Pretreatment of substrate or post-treatment of coated substrate

2041922, 427130, 427131, 427132, 4273831, 427404, 4274192, 427598, B05D 102

Patent

active

055298141

ABSTRACT:
Exchange coupled magnetic thin films are produced by depositing an antiferromagnetic layer, followed by deposition of a layer of ferromagnetic material on the antiferromagnetic layer. The composite antiferromagnetic/ferromagnetic structure is then annealed at an elevated temperature for a predetermined length of time. This process results in considerably higher exchange coupling fields than obtainable before. Alternatively, the antiferromagnetic layer may be annealed prior to deposition of the ferromagnetic layer.

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