Method for producing PLZT powder

Details Method for producing PLZT powder Method for producing PLZT powder

1989-05-08

1991-11-19

Group, Karl

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

252 629, 423598, C04B 3549

Patent

active

050666177

ABSTRACT:
In a method for producing PLZT powder, the A-site components are co-precipitated simultaneously and mixed with the B-site components which are also co-precipitated simultaneously. As a result, the powder obtained by calcination of the precipitates has less fluctuation in the chemical composition compared with the prior art.

REFERENCES:
patent: 3528919 (1970-09-01), McNamara et al.
patent: 3699044 (1972-10-01), Dosch et al.
patent: 4643984 (1987-02-01), Abe et al.
patent: 4696810 (1987-09-01), Shirasaki et al.
patent: 4820669 (1989-04-01), Kato et al.
Recent Improvements in the Optical and Electrooptic Properties of PLZT Ceramics, 3 Ferroelectrics pp. 269-290 (1972) and Haertling et al.
Hot-Pressed (Pb, La) (Zr, Ti)O.sub.3 Ferroelectric Ceramics For Electrooptic Applications, 54 Journal of the American Ceramic Society 1 (Jan. 1971).
Chemical Abstract, JP-A-62-3005, vol. 11, No. 176, Sep. 1, 1987.
Chemical Abstract, JP-A-61-247607, vol. 1, No. 96, Apr. 11, 1985.

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