Method of manufacturing a photomagnetic material having garnet s

Details Method of manufacturing a photomagnetic material having garnet s Method of manufacturing a photomagnetic material having garnet s

1974-03-28

1977-05-31

Arnold, Donald J.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

106 65, 252 6257, 264 61, 264 65, C04b 3564

Patent

active

040269817

ABSTRACT:
A method of manufacturing a magnetizable polycrystalline material having garnet structure for an active element whose magnetic properties can be influenced by exposure to light, in which a powder having garnet composition is compressed to form a body and is sintered in an oxygen-containing atmosphere, the sintered body being afterfired at a temperature between the sintering temperature and 800.degree. C for a period between 1 and 240 hours and under an oxygen pressure which is smaller than the oxygen pressure during sintering.

REFERENCES:
patent: 3764643 (1973-10-01), Muta et al.

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