Process for producing a layer having a high magnetic anisotropy

Details Process for producing a layer having a high magnetic anisotropy Process for producing a layer having a high magnetic anisotropy

1985-10-28

1987-12-08

Doll, John

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156605, 156610, 156DIG73, 156DIG74, 365 36, 427 38, 427130, C30B 102, C30B 1900, G11C 1908, B05D 306

Patent

active

047116943

ABSTRACT:
Process for producing a ferrimagnetic garnet layer having a high magnetic anisotropy on an amagnetic substrate, wherein it comprises the stages of forming at least one ferrimagnetic garnet layer by epitaxy from the amagnetic substrate, high dose ion implantation in the ferrimagnetic garnet layer in order to produce defects therein and heating the entity in the presence of a reducing agent to a temperature between 250.degree. and 450.degree. C.
Application to the production of bubble stores with non-implanted propagation patterns.

REFERENCES:
patent: 3759745 (1973-09-01), Dixon et al.
patent: 4451500 (1984-05-01), Gerard et al.
patent: 4476152 (1984-10-01), Imura et al.
patent: 4568561 (1986-02-01), Betsui et al.
patent: 4578651 (1986-03-01), Heitmann et al.
Davies, J., "Control of Magnetic Properties During Processing of Single Crystal Garnet Films", IBM J. Res. Develop., Nov. 1977, pp. 522-526, vol. 21, No. 6.
Journal of Applied Physics, vol. 43, No. 6, Jun. 1972, pp. 2883-2885; A. J. Kurtzig et al, "Control of the Magnetization of Bubble Garnets by Annealing".

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