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Class 505/777 - Lanthanum (La)-(e.g., La2Cu04)


Subclass of Class 505 - Superconductor technology: apparatus, material, process
Definition: Material wherein the Rare Earth is Lanthanum (La) (e.g.,
No. of patents: 9
Last issue date: 03/14/2000


NumberTitleIssue Date
6038461Plastically deformable high temperature superconductive material and method of manufacturing formed body thereof
There are disclosed a high temperature superconductive material which can be plastically deformed, processed optionally into predetermined configurations and industrially mass produced and a method of manufacturing a formed body of the high temperature su...
03/14/2000
5523284Process for preparing a bulk textured superconductive material
In accordance this invention, there is provided a process for making a bulk superconductive material. In the first step of this process, a diffusion couple is formed from superconductor oxide and impurity oxide. Thereafter, the diffusion couple is heated ...
06/04/1996
5512542Metallic oxide with boron and process for manufacturing the same
A novel metallic oxide of a Ln-Ca-Sr-Ba-Cu-B-O type and a process for manufacturing such a metallic oxide. The above metallic oxide has a composition expressed by the following formula (I): (Ln1-a Caa)(Sr2-b Bab)(Cu
04/30/1996
5445766Superconductive conjugate photoconductive substances of the Bi-SrCa(LaY)-Cu-O system, a method for producing the same and superconductive optoelectronic devices using the same
The disclosed substance has a composition of a general chemical formula of Bi2 -(Sr2 Ca1)1-x (La2 Y1)x -Cuy -Oz, where 0.4ࣘxࣘ1, y=2 and z=9-10.5, wherein said sub...
08/29/1995
5432143Method of producing an RBa2 Cu3 Oy microcrystalline structure in which R denotes a lanthanide
A method of producing a microcrystalline RBa2 Cu3 Oy structure where R denotes a lanthanide chosen from Y, La, Nd, Sm, Eu, Gd, Tb, Ho, Er, Tm, Yb and Lu and where y has a value between 6.9 and 7 starts with a powder of com...
07/11/1995
5374611Preparation and composition of superconducting copper oxides based on Ga-O layers
A high temperature superconducting material with the general formula GaSr2 Ln1-x MxCu2 O7&#b1;w wherein Ln is selected from the group consisting of La, Ce, Pt, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Y and M is s...
12/20/1994
5372990Oxide superconductor
Provided is an oxide superconductor in which superconducting layer is sandwiched between two blocking layers having different compositions. Available superconducting layers include a one-layer system having one Cu-O2 sheet, a two-layer system h...
12/13/1994
5360786Superconductive material
The disclosed superconductive material has a characteristic in accordance with which electrical resistance disappears at a temperature of at least more than the boiling point of 20.3° K. (-252.7° C.) of liquid hydrogen and relates to La-Ba-Cu-O series s...
11/01/1994
5219831Superconductive photoconductive-substance of the La-Cu-O system and a method for producing the same
The disclosed substance has a general chemical formula of La2 -Cu1 -Oz, z being 3.84 to 4.00. The disclosed substance shows, at a temperature below 20° K., superconductivity, either potential or real, and the substance al...
06/15/1993
 
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