Process for producing single crystal of garnet ferrite

Details Process for producing single crystal of garnet ferrite Process for producing single crystal of garnet ferrite

1986-06-23

1988-01-26

Doll, John

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156DIG63, 156DIG74, C30B 110

Patent

active

047215470

ABSTRACT:
A process for producing a signal crystal of garnet ferrite comprises causing a signal crystal to grow by subjecting raw materials for the garnet ferrite to sintering so as to utilize the anomalous grain growth induced by the sintering. The process requires a shorter period of time for the growth of the single crystal, is free from mixing of impurities, and is capable of producing a single crystal with a high Faraday rotation while reducing production cost for the crystal.

REFERENCES:
patent: 2957827 (1960-10-01), Nielsen
patent: 3085980 (1963-04-01), Gorter et al.
patent: 3414372 (1968-12-01), Paulus et al.
patent: 3444084 (1969-05-01), Geller et al.
patent: 4256531 (1981-03-01), Kimura et al.
patent: 4444615 (1984-04-01), Matsuzawa et al.
Grayson, M., Encyclopedia of Semiconductor Technology, Wiley & Sons, 1984, pp. 212-225, 254.
IEEE Transactions on Magnetics, vol. MAG-7, pp. 773-776, "Substituted Polycrystalline YIG With Very Low Ferrimagnetic Resonance . . . ", Sep. 1971.

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