Compositions – Magnetic – Iron-oxygen compound containing
Patent
1977-11-07
1982-11-02
Bell, Mark
Compositions
Magnetic
Iron-oxygen compound containing
252 6256, 252 6259, 252 6262, 252 6263, 501 1, C04B 3530, C04B 3538, C04B 3540, C04B 3564
Patent
active
043572510
ABSTRACT:
Preparation of ceramic materials, including ferrites and garnets, through a processing sequence that includes a sintering step is facilitated by a flux, having a relatively low melting temperature and an approximately eutectic composition consisting of two or more of the final ceramic components. The flux permits the sintering step to proceed at temperatures lower than otherwise possible, and results in better control of the final ceramic composition and microstructure.
REFERENCES:
patent: 2764552 (1956-09-01), Buckley et al.
patent: 3492236 (1970-01-01), Ross
patent: 3532630 (1970-10-01), Tenzer
patent: 3567641 (1971-02-01), Ross et al.
patent: 3655841 (1972-04-01), Akashi et al.
patent: 3674694 (1972-04-01), Stadler et al.
patent: 3769219 (1973-10-01), Sugano et al.
Johnson, Jr. David W.
Yan Man F.
Bell Mark
Bell Telephone Laboratories Incorporated
Laumann Richard D.
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