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    Vacuum furnace and magnetic field during the heat treatment device using the vacuum furnace
    1.
    发明专利
    Vacuum furnace and magnetic field during the heat treatment device using the vacuum furnace 有权

    公开(公告)号：JP5324863B2

    公开(公告)日：2013-10-23

    申请号：JP2008213883

    申请日：2008-08-22

    Applicant: 株式会社神戸製鋼所

    Inventor： 孝史 三木

    IPC: F27B17/00 ,  C21D1/04 ,  F27D7/06 ,  F27D11/12 ,  H01L21/26

    Abstract: PROBLEM TO BE SOLVED: To provide a vacuum furnace forming a vacuum state during heating by infrared rays while suppressing radiation of heat to outside regardless of the material quality of an outer member and a heat treatment device in the magnetic field using the vacuum furnace. SOLUTION: The vacuum furnace includes an inner pipe 14 formed of a material permeating infrared rays; an outer pipe 16 forming an outer space S2 with the inner pipe 14; a heating means 18 arranged within the outer space S2 and irradiating infrared rays to a heated target W through the inner pipe 14; a holding means 20 for holding the heated target W in the position enabling heating; and a plurality of radiation shield plates 22 arranged within the outer space S2 to shield a space between the heating means 18 and the outer pipe 16 and reflecting the infrared rays from the heating means 18. The respective radiation shield plates 22 are juxtaposed to the direction orthogonal to the inner face of the outer pipe 16 and are arranged so that the adjacent radiation shield plates 22 leave a clearance in their juxtaposed direction. COPYRIGHT: (C)2010,JPO&INPIT

    Recovery method of NbTi alloy
    7.
    发明专利
    Recovery method of NbTi alloy 有权

    公开(公告)号：JP5305873B2

    公开(公告)日：2013-10-02

    申请号：JP2008311023

    申请日：2008-12-05

    Applicant: 株式会社神戸製鋼所

    Inventor： 一孝 國井 ,  孝史 三木 ,  徹 井田

    IPC: C22B7/00 ,  C22B9/22 ,  C22B34/12 ,  C22B34/24 ,  C25C1/00

    CPC classification number: Y02P10/214

    Abstract: PROBLEM TO BE SOLVED: To provide a method for recovering an NbTi alloy where, when an NbTi alloy is recovered from an NbTi-based superconducting wire rod, which can be performed in a short time while evading the use of toxic gas and dangerous substance, and in which the residual concentration of Cu can be reduced as much as possible. SOLUTION: The method for recovering the NbTi alloy, in the method where the NbTi alloy is recovered from the superconducting wire rod comprising an NbTi alloy filament and Cu, comprises an electrolyzing process where the superconducting wire rod is electrolyzed so as to separate away Cu; and an electron beam melting process where the superconducting wire rod subjected to the electrolyzing stage is heated by an electron beam melting method so as to evaporate away Cu remaining in the surface of the NbTi alloy filament. COPYRIGHT: (C)2010,JPO&INPIT

    Cryogenic apparatus
    8.
    发明专利
    Cryogenic apparatus 有权

    公开(公告)号：JP4494027B2

    公开(公告)日：2010-06-30

    申请号：JP2004017397

    申请日：2004-01-26

    Applicant: 株式会社神戸製鋼所

    Inventor： 孝史 三木

    IPC: G01R33/3815 ,  H01F6/04 ,  A61B5/055 ,  F25B9/00 ,  F25D19/00 ,  H01L39/04

    CPC classification number: C01B3/0089 ,  F25B2400/17 ,  F25D19/006 ,  F28F2013/008 ,  Y02E60/324

    Abstract: A cryogenic system includes a space formed between a cooling stage (3) of a cryocooler unit (1) and an element to be cooled (2), and a thermal joint placed in the space, wherein the thermal joint (4) is composed of a substance that has a melting point higher than the cooling temperature of the element to be cooled and that is in a liquid or gaseous state at room temperature and atmospheric pressure. The cryogenic system can achieve reproducible and excellent thermal contact at a cooling stage without applying a large mechanical stress to a cryocooler unit structure.

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