Method of manufacturing ferroelectric bismuth-titanate layers on

Details Method of manufacturing ferroelectric bismuth-titanate layers on Method of manufacturing ferroelectric bismuth-titanate layers on

1993-11-12

1999-12-28

Utech, Benjamin

Coating processes

Electrical product produced

Piezoelectric properties

4271262, 4271263, 427226, 427240, 4273762, 4274193, 4274301, B05D 512

Patent

active

060078685

ABSTRACT:
A method is described of manufacturing ferroelectric bismuth-titanate layers Bi.sub.4 Ti.sub.3 O.sub.12 on a substrate, A solution containing bismuth and titanium is provided, in a stoichiometric ratio, in the form of a metallo-organic or inorganic compound which is homogeneously mixed in an organic solvent, being brought into contact with the substrate and thermally treated at a temperature in the range from 500.degree. C. to 650.degree. C., thereby forming bismuth-titanate Bi.sub.4 Ti.sub.3 O.sub.12.

REFERENCES:
patent: 3699044 (1972-10-01), Dosch et al.
patent: 5004713 (1991-04-01), Bardhan et al.
patent: 5028455 (1991-07-01), Miller et al.
patent: 5112433 (1992-05-01), Dawson et al.
patent: 5160762 (1992-11-01), Brand et al.
"Sol-Gel Processing of Computer Oxide Films," G. Yi et al., Ceramic Bulletin, vol. 70, No. 7, (1991) pp. 1173-1179.

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