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:
Oct. 12, 1993
Filed:
Jun. 28, 1991
Toshio Takada, Kyoto, JP;
Takahito Terashima, Kyoto, JP;
Kenji Iijima, Kyoto, JP;
Kazunuki Yamamoto, Yamaguchi, JP;
Kazuto Hirata, Kyoto, JP;
Yoshichika Bando, Shiga, JP;
Ube Industries, Ltd., Ube, JP;
Kanegafuchi Chemical Industry Co., Ltd., Osaka, JP;
Nippon Steel Corporation, Ohte, JP;
TDK Corporation, Nihonbashi, JP;
Tosoh Corporation, Shinnanyo, JP;
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Nippon Mining Co., Ltd., Tokyo, JP;
NEC Corporation, Tokyo, JP;
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Seisan Kaihatsu Kagaku Kenkyusho, Sakyo, JP;
Abstract
A laminated film comprising at least two thin films of single crystal LnBa.sub.2 Cu.sub.3 O.sub.7-x wherein Ln is Y or one of lanthanoids except Pr and Tb having the (001) plane in the direction parallel with the film surface and at least one continuous thin film of Y.sub.2 O.sub.3 which has a thickness of not larger than 100 .ANG. and the (001) plane in the direction parallel with the film surface and is interposed between a pair of said thin films of single crystal LnBa.sub.2 Cu.sub.3 O.sub.7-x, wherein the thin films of single crystal LnBa.sub.2 Cu.sub.3 O.sub.7-x has good superconductive properties.