JPS6463062A - Production of oxide superconductor - Google Patents

Production of oxide superconductor

Info

Publication number
JPS6463062A
JPS6463062A JP62221713A JP22171387A JPS6463062A JP S6463062 A JPS6463062 A JP S6463062A JP 62221713 A JP62221713 A JP 62221713A JP 22171387 A JP22171387 A JP 22171387A JP S6463062 A JPS6463062 A JP S6463062A
Authority
JP
Japan
Prior art keywords
particle size
filter
chamber
1mum
100mum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP62221713A
Other languages
Japanese (ja)
Other versions
JPH0714494B2 (en
Inventor
Akinori Ohara
Shunji Yamamoto
Tadatoshi Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP62221713A priority Critical patent/JPH0714494B2/en
Priority to PCT/JP1988/000549 priority patent/WO1988009768A1/en
Priority to EP88905217A priority patent/EP0317643B1/en
Priority to DE88905217T priority patent/DE3880973T2/en
Priority to US07/315,788 priority patent/US5268353A/en
Publication of JPS6463062A publication Critical patent/JPS6463062A/en
Publication of JPH0714494B2 publication Critical patent/JPH0714494B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/021—Separation using Meissner effect, i.e. deflection of superconductive particles in a magnetic field
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/16—Purification
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/18—Methods for preparing oxides or hydroxides in general by thermal decomposition of compounds, e.g. of salts or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G3/00—Compounds of copper
    • C01G3/006—Compounds containing, besides copper, two or more other elements, with the exception of oxygen or hydrogen
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/45—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H10N60/01—Manufacture or treatment
    • H10N60/0268—Manufacture or treatment of devices comprising copper oxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/40—Electric properties

Abstract

PURPOSE:To obtain a dense oxide superconductor having high critical electric current value by removing impurities from a calcined mixture of plural kinds of starting materials utilizing magnetic repulsive force due to the Meissner effect, and making the particle size of materials specified with a sieve. CONSTITUTION:Particles having >=100mum particle size in a powder mixture 10 in a vessel 1 accumulate in a chamber C21 of a separating vessel 6 through a filter A8 having 100mum mesh, and particles having <=100mum particle size fall down through the filter B9. Only superconductive fraction comprising the powder body 2 is repelled farther to the right side in the drawing during falling by the effect of lines of magnetic force 5 of a magnet 4 and the Meissner effect and falls on a filter B9. Since the mesh of the filter B9 is 1mum, particle having <1mum particle size fall in a chamber E23, and those having >=1mum particle size accumulate in a chamber D22. These fractions are collected and supplied to succeeding molding stages and calcining stages.
JP62221713A 1987-06-09 1987-09-03 Method for manufacturing oxide superconductor Expired - Fee Related JPH0714494B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP62221713A JPH0714494B2 (en) 1987-09-03 1987-09-03 Method for manufacturing oxide superconductor
PCT/JP1988/000549 WO1988009768A1 (en) 1987-06-09 1988-06-08 Method of producing oxide superconductor
EP88905217A EP0317643B1 (en) 1987-06-09 1988-06-08 Method of producing oxide superconductor
DE88905217T DE3880973T2 (en) 1987-06-09 1988-06-08 METHOD FOR PRODUCING OXIDE-BASED SUPER LADDERS.
US07/315,788 US5268353A (en) 1987-06-09 1988-06-08 Method for separating superconductor powder from nonsuperconductive powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62221713A JPH0714494B2 (en) 1987-09-03 1987-09-03 Method for manufacturing oxide superconductor

Publications (2)

Publication Number Publication Date
JPS6463062A true JPS6463062A (en) 1989-03-09
JPH0714494B2 JPH0714494B2 (en) 1995-02-22

Family

ID=16771100

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62221713A Expired - Fee Related JPH0714494B2 (en) 1987-06-09 1987-09-03 Method for manufacturing oxide superconductor

Country Status (1)

Country Link
JP (1) JPH0714494B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0178134U (en) * 1987-11-11 1989-05-25

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63302967A (en) * 1987-06-01 1988-12-09 Semiconductor Energy Lab Co Ltd Sorting of oxide superconducting material

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63302967A (en) * 1987-06-01 1988-12-09 Semiconductor Energy Lab Co Ltd Sorting of oxide superconducting material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0178134U (en) * 1987-11-11 1989-05-25

Also Published As

Publication number Publication date
JPH0714494B2 (en) 1995-02-22

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees