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    • 1. 发明专利
    • Heat treatment apparatus for oxide superconducting wire material
    • 氧化物超导材料热处理设备
    • JP2009048817A
    • 2009-03-05
    • JP2007212308
    • 2007-08-16
    • Internatl Superconductivity Technology CenterSwcc Showa Cable Systems Co Ltd昭和電線ケーブルシステム株式会社財団法人国際超電導産業技術研究センター
    • KOIZUMI TSUTOMUAOKI YUJIHASEGAWA TAKAYO
    • H01B13/00C01G1/00C01G3/00F27B7/08F27B7/36H01F6/06
    • PROBLEM TO BE SOLVED: To provide a heat treatment apparatus for an oxide superconducting wire material, wherein improvement of the exhaust efficiency and reduction in the flow rate of carrier gas can be achieved. SOLUTION: A heat treatment apparatus 1 includes: a reactor core pipe having tubular heat treatment spaces 4 formed of outer casings 2 and inner casings 3; heaters 5 arranged at the outer circumference of the reactor core pipe; tubular rotors 6 in which many through-holes 6a for winding a tape-shaped wire material having a YBCO superconducting precursor film arranged to be rotatable relative to a reactor core axis are formed in the heat treatment spaces 4; gas feed pipes 7 having many gas ejecting holes 7a arranged between the outer casings 2 and the rotors 6; and gas discharge paths 8 for discharging ambient gas from spaces between the rotors 6 and the inner casings 3. The gas discharge paths 8 are formed of gas discharge pipes 14 having tubular gas discharge paths 13 comprising outer cylindrical bodies 11 arranged between the inner casings 3 and the rotors 6 and inner cylindrical bodies 12 arranged concentrically therein, thereby enabling uniform reaction over the entire length of the tape-shaped wire material wound around the tubular rotors 6. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于氧化物超导线材的热处理装置,其中可以实现提高排气效率和降低载气流量。 解决方案:热处理设备1包括:反应堆芯管,其具有由外壳2和内壳3形成的管状热处理空间4; 布置在反应堆芯管外周的加热器5; 管状转子6,其中在热处理空间4中形成许多用于缠绕具有布置成能够相对于反应堆芯轴线旋转的YBCO超导前体膜的带状线材的通孔6a; 具有布置在外壳2和转子6之间的许多气体喷射孔7a的气体供给管7; 以及用于从转子6和内壳3之间的空间排出环境气体的气体排出路径8.气体排出路径8由具有管状气体排出路径13的气体排出管14形成,该管状气体排出路径13包括布置在内壳3之间的外筒体11 并且转子6和内圆筒体12同心配置,从而能够在卷绕在筒状转子6周围的带状线材的整个长度上均匀地进行反应。(C)2009,JPO&INPIT
    • 5. 发明专利
    • Tape shape oxide superconductor
    • 胶带形状氧化物超导体
    • JP2008310986A
    • 2008-12-25
    • JP2007155484
    • 2007-06-12
    • Internatl Superconductivity Technology CenterSwcc Showa Cable Systems Co Ltd昭和電線ケーブルシステム株式会社財団法人国際超電導産業技術研究センター
    • TAKAHASHI YASUOKOIZUMI TSUTOMUAOKI YUJIKANEKO ATSUSHIHASEGAWA TAKAYO
    • H01B12/06C01G1/00C01G3/00H01B13/00H01F6/06
    • H01L39/2461
    • PROBLEM TO BE SOLVED: To prevent the occurrence of diffusion of an element constituting a metal substrate to a superconductive layer or cracks of an intermediate layer, and to improve orientation of the superconductive layer. SOLUTION: On an Ni group alloy substrate 1 having a full width at half maximum (FWHM:Δϕ) of 6.5 degree, a Ce-Gd-O based oxide layer 2 having a membrane thickness of 15 to 100 nm (mol ratio of Ce:Gd=40:60 to 70:30) as a first intermediate and layer a Ce-Zr-O based oxide layer 3 having the membrane thickness of 100 nm (mol ratio of Ce:Zr=50:50) as a second intermediate layer are formed by an MOD method. Furthermore, a CeO 2 oxide layer 4 is deposited to have the membrane thickness of 150 nm as a third intermediate layer by an RF sputter method thereon. A YBCO superconductive layer 5 was deposited to have the membrane thickness of 1 μm on the intermediate layer of a trilaminar structure by a TFA-MOD method. The Δϕs of the first and third intermediate layers of a tape shape oxide superconductor showed respectively (6.0 to 6.5) degrees, (6.0 to 6.6) degrees, and (6.0 to 6.6) degrees, and Jc of the YBCO superconductive layer 5 in liquid nitrogen showed values of 1.8 to 2.2 MA/cm 2 . COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了防止构成金属基板的元件扩散到超导层或中间层的裂纹,并且改善超导层的取向。 解决方案:在具有6.5度的半峰全宽(FWHM:Δφ)的Ni基合金基板1上,膜厚为15〜100nm的Ce-Gd-O系氧化物层2(摩尔比 的Ce:Gd = 40:60〜70:30)作为第一中间体,层厚度为100nm(Ce:Zr = 50:50的摩尔比)的Ce-Zr-O系氧化物层3为 第二中间层通过MOD方法形成。 此外,通过其上的RF溅射法沉积CeO 2 SB 3 SiO 2层以具有150nm的膜厚度作为第三中间层。 通过TFA-MOD方法在三层结构的中间层上沉积YBCO超导层5以使膜厚度为1μm。 带状氧化物超导体的第一和第三中间层的Δφs在液氮中分别显示为(6.0〜6.5)度,(6.0〜6.6)度,(6.0〜6.6)度,YBCO超导层5的Jc 显示值为1.8至2.2MA / cm 2。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Method of manufacturing rare earth-based thick film oxide superconducting wire
    • 制造稀土类厚膜氧化锡超导线的方法
    • JP2010238633A
    • 2010-10-21
    • JP2009087669
    • 2009-03-31
    • International Superconductivity Technology CenterSwcc Showa Cable Systems Co Ltd昭和電線ケーブルシステム株式会社財団法人国際超電導産業技術研究センター
    • KANEKO ATSUSHIAOKI YUJIKOIZUMI TSUTOMUNAKANISHI TATSUNAO
    • H01B13/00C01G1/00C01G3/00H01B12/06H01F6/06
    • Y02E40/642
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing an Re-based (123) superconductor in a form of a thick film tape with a high critical current value. SOLUTION: After forming a calcination film of a YBCO superconductor by repeating 16 times a step of applying a material solution containing trifluoroacetates of Y and Ba and naphthenate of Cu in proportion of Y:Ba:Cu=1:1.5:3 onto an oriented Ni-W substrate and heating them, a crystallization heat treatment is performed through a temperature raising process from a room temperature to a crystallization heat treatment temperature of 730°C, followed by a subsequent isothermal process. Water vapor is introduced into a furnace at a water vapor partial pressure of 1.05 vol% at the heat treatment temperature of 500°C, the water vapor partial pressure is increased to 2.6 vol% at 690°C before reaching the maximum heat treatment temperature, and then the water vapor partial pressure is further increased to 4.2 vol% stepwise when 30 minutes have passed after reaching the maximum heat treatment temperature of 730°C to retain this water vapor partial pressure during the isothermal process. A Jc value of the YBCO oxide superconductor is 1.48 MA/cm 2 at a film thickness of about 2.0 μm. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种制造具有高临界电流值的厚膜带形式的Re基(123)超导体的方法。 解决方案:在YBCO超导体的煅烧膜通过重复16次之后,将含有Y和Ba的三氟乙酸盐和Cu和Zn的环烷酸盐的材料溶液按照Y:Ba:Cu = 1:1.5:3的比例重复16次,形成到 取向的Ni-W基板并加热,通过升温过程从室温至结晶热处理温度为730℃进行结晶热处理,随后进行等温加工。 在500℃的热处理温度下,将水蒸汽以1.05体积%的水蒸气分压引入炉中,在达到最大热处理温度之前,水蒸气分压在690℃下升至2.6体积% 然后在达到730℃的最大热处理温度后经过30分钟时,水蒸气分压进一步提高至4.2体积%,以在等温过程中保持该水蒸气分压。 在约2.0μm的膜厚度下,YBCO氧化物超导体的Jc值为1.48MA / cm 2 SP / 2。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Tape-shaped oxide superconductor, and board used for the same
    • 带状氧化物超导体,以及与其相同的板
    • JP2010044969A
    • 2010-02-25
    • JP2008208867
    • 2008-08-14
    • International Superconductivity Technology CenterSwcc Showa Cable Systems Co Ltd昭和電線ケーブルシステム株式会社財団法人国際超電導産業技術研究センター
    • AOKI YUJI
    • H01B12/06H01B13/00
    • Y02E40/642
    • PROBLEM TO BE SOLVED: To provide a tape-shaped oxide superconductor which is superior in heat radiation and connection, and in which thinning of a superconductive layer by laser processing is easy.
      SOLUTION: The tape-shaped oxide superconductor 20 is constructed of a laminate in which an intermediate layer 14 consisting of an inorganic material which is two axially oriented by an IBAD process and a YBCO superconductor layer 15 by TFA-MOD method are laminated on a first metal layer 11 of a substrate 13, in which the first metal layer 11 which is formed of a non-magnetic material with non-orientation consisting of a Ni-based alloy of a core material and a second metal layer 12 formed of a material which consists of a copper or a copper-based alloy and has a large thermal conductivity and a small electric resistance are firmly jointed after applying a heat treatment after surface activation bonding. An Ag stabilized layer 16 is deposited by a vapor deposition method on the upper face and side face of the laminate as the upper face of the YBCO superconductor layer 15, and thereby the YBCO superconductive layer 15 and the second metal layer 12 are electrically connected.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种热辐射和连接性优异的带状氧化物超导体,其中通过激光加工使超导层变薄容易。 解决方案:带状氧化物超导体20由层叠体构成,其中由通过IBAD工艺轴向取向的两种无机材料和通过TFA-MOD方法轴向取向的YBCO超导体层15组成的中间层14层压 在基板13的第一金属层11上,第一金属层11由非磁性材料形成,非取向由芯材的Ni基合金构成,第二金属层12由 在表面活化接合后进行热处理后,由铜或铜基合金构成的具有大的导热性和小电阻的材料牢固地接合。 通过气相沉积法将Ag稳定层16作为YBCO超导体层15的上表面层叠在层叠体的上表面和侧面上,由此YBCO超导层15和第二金属层12电连接。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Method for manufacturing rare earth-based oxide superconducting wire
    • 制造稀土类氧化物超导线的方法
    • JP2011113665A
    • 2011-06-09
    • JP2009266450
    • 2009-11-24
    • International Superconductivity Technology CenterSwcc Showa Cable Systems Co Ltd昭和電線ケーブルシステム株式会社財団法人国際超電導産業技術研究センター
    • KANEKO ATSUSHIAOKI YUJIKOIZUMI TSUTOMUNAKANISHI TATSUNAO
    • H01B13/00C01G1/00C01G3/00H01F6/06
    • PROBLEM TO BE SOLVED: To introduce a flux pinning point into an oxide superconductor while controlling water vapor partial pressure in a temperature rising process in crystallization heat treatment. SOLUTION: A manufacturing method includes the steps of applying a raw material solution containing metallic organic acid salts of Y, Ba, Cu and Dy at a molar ratio of Dy/Y=0.1 onto a composite substrate in which a Gd 2 Zr 2 O 7 layer and a CeO 2 layer are formed on an orientation Ni-W substrate 1, performing calcination heat treatment, and then performing crystallization heat treatment in a temperature rising process from room temperature to a crystallization temperature of 730°C and a constant temperature process at crystallization heat treatment temperature under pressure of less than 50 Torr. The temperature rising process is introduced into a furnace at 500°C and the steam partial water vapor pressure of 1.05 vol.%, the flux pinning point can homogeneously be scattered by continuously increasing the water vapor partial pressure to 4.2 vol.% up to 690°C, and this YBCO oxide superconductor shows an Ic value of 100 A/cm-width and a magnetic field application angle dependence of Jc, min/Jc, max=0.8(1T). COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:在结晶热处理的升温过程中控制水蒸汽分压的同时,向氧化物超导体引入焊剂固定点。 解决方案:制造方法包括以下步骤:将含有Dy / Y = 0.1摩尔比的Y,Ba,Cu和Dy的金属有机酸盐的原料溶液施加到其中Gd 2 7 的层和CeO 2 层,进行焙烧 热处理,然后在室温至结晶温度730℃的升温过程中进行结晶热处理,在结晶热处理温度低于50托的压力下进行恒温处理。 将升温过程引入500℃的炉中,蒸汽分水蒸气压为1.05体积%,通过将水蒸气分压持续增加到4.2体积%,达到690,可以均匀地散射通量夹点 ℃,该YBCO氧化物超导体显示出Ic值为100A / cm宽,Jc,min / Jc,max = 0.8(1T)的磁场施加角依赖性。 版权所有(C)2011,JPO&INPIT