BI-BASED SUPERCONDUCTOR CONTAINING SB AND PB

Title:

BI-BASED SUPERCONDUCTOR CONTAINING SB AND PB

Document Type and Number:

Japanese Patent JPH046109

Kind Code:

A

Abstract:

PURPOSE: To obtain a Bi-based superconductor contg. Sb and Pb by rendering a compsn. represented by a specified formula.

CONSTITUTION: Compds. of Sb, Pb, Bi, Sr, Ca and Cu are weighed by prescribed amts., mixed and dried to obtain a powdery mixture. This mixture is subjected to primary calcining at 800-830°C and secondary calcining at 830-868°C to obtain the title superconductor represented by the formula (where α, β, γ, δ, , ζ and x are the mol numbers of the elements, 3≤α≤6, 2≤β≤4, 17≤γ≤22, 19≤δ≤24, 14≤≤18 and 32≤ζ≤42). The mixture may be press-molded before the primary firing as required.

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Inventors:

ENDO HOZUMI
KIJIMA NAOTO
OGURI YASUO

Application Number:

JP10829590A

Publication Date:

January 10, 1992

Filing Date:

April 24, 1990

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Assignee:

MITSUBISHI CHEM IND

International Classes:

C04B35/00; C01G1/00; C01G29/00; C04B35/45; H01B12/00; H01L39/12; (IPC1-7): C01G29/00

Attorney, Agent or Firm:

Hasegawa Soji

Next Patent: MAGNETO-OPTICAL MATERIAL