Compositions: coating or plastic – Coating or plastic compositions – Heavy metal compound containing
Patent
1998-08-18
2000-07-11
Brunsman, David
Compositions: coating or plastic
Coating or plastic compositions
Heavy metal compound containing
10628719, C09K 300, C07C 6972
Patent
active
060866659
ABSTRACT:
Acetylacetone and an aqueous nitric acid are included in a solution in which organic metal compounds of metals constituting a ferroelectric in an organic solvent thereby forming a ferroelectric film formation solution. The solution is applied to a substrate, followed by drying and baking to obtain a ferroelectric film. As a consequence, even when forming a ferroelectric film such as a PZT or PLZT film containing a II group element in the periodic table, a stable ferroelectric film formation solution which prevents neither crystallization nor gelation and is reduced in a change with time in the viscosity thereof can be obtained. A ferroelectric film which contains a II group element and has excellent ferroelectric properties can be thus produced with ease.
REFERENCES:
patent: 4908065 (1990-03-01), Tanitsu et al.
patent: 5393907 (1995-02-01), Hasimoto et al.
patent: 5753945 (1998-05-01), Chivukula et al.
Kamisawa Akira
Katsuragi Hayato
Mori Kiyoto
Yamate Taku
Brunsman David
Kanto Kagaku Kabushiki Kaisha
Rohm & Co., Ltd.
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