The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 04, 2003
Filed:
Dec. 27, 2000
Yoshihiro Sawada, Kanagawa-ken, JP;
Akira Hashimoto, Kanagawa-ken, JP;
Ichiro Koiwa, Tokyo, JP;
Juro Mita, Tokyo, JP;
Yukihisa Okada, Tokyo, JP;
Takao Kanehara, Tokyo, JP;
Hiroyo Kato, Tokyo, JP;
Other;
Abstract
The invention discloses a coating solution for use in forming Bi-based ferroelectric thin films containing Bi, metallic element A (at least one selected from the group consisting of Bi, Pb, Ba, Sr, Ca, Na, K and rare earth elements) and metallic element B (at least one selected from the group consisting of Ti, Nb, Ta, W, Mo, Fe, Co and Cr), wherein it contains metal alkoxides of Bi, metallic element A and metallic element B respectively, and an organometallic compound obtainable by hydrolyzing composite metal alkoxides, formed by any two or more of said metal alkoxides, with water alone or in combination with a catalyst, and contains Bi in a molar amount 1-1.1 times as great as the stoichiometric amount; a ferroelectric thin film ( ), a ferroelectric capacitor ( ) and a ferroelectric memory with the use of such a coating solution; and a method for producing the same.