JPH0676651A - Composite superconductor and manufacture thereof - Google Patents
Composite superconductor and manufacture thereofInfo
- Publication number
- JPH0676651A JPH0676651A JP4225649A JP22564992A JPH0676651A JP H0676651 A JPH0676651 A JP H0676651A JP 4225649 A JP4225649 A JP 4225649A JP 22564992 A JP22564992 A JP 22564992A JP H0676651 A JPH0676651 A JP H0676651A
- Authority
- JP
- Japan
- Prior art keywords
- superconducting
- copper
- superconducting wire
- housings
- section
- 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.)
- Withdrawn
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000002887 superconductor Substances 0.000 title abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052802 copper Inorganic materials 0.000 claims abstract description 34
- 239000010949 copper Substances 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000011159 matrix material Substances 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims description 13
- 230000008018 melting Effects 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 4
- 230000006866 deterioration Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 7
- 239000011800 void material Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910020012 Nb—Ti Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
Landscapes
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は超電導々体およびその製
造方法に係り、特に内部に空隙を設けたハウジング型の
複合超電導々体とその製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a superconducting body and a method of manufacturing the same, and more particularly to a housing type composite superconducting body having a void therein and a method of manufacturing the same.
【０００２】[0002]
【従来の技術】従来、大型の超電導機器、例えば核融合
炉、高磁界発生用マグネット、エネルギー貯蔵、加速器
等に使用される超電導々体として、多芯構造の超電導線
と安定化材を半田で接合した複合超電導々体が検討され
ている。2. Description of the Related Art Conventionally, as a superconducting body used in large-scale superconducting devices such as fusion reactors, magnets for generating a high magnetic field, energy storage, accelerators, etc., a multiconductor superconducting wire and a stabilizing material are soldered. Joined composite superconductors are being investigated.
【０００３】このような超電導々体の一つとして、図４
に示すように、断面凹状の２つの銅ハウジング１，２を
対向させて配置し、この内部に銅マトリックス中に多数
本の超電導フィラメントを配置した矩形断面を有する超
電導線３を収容して、この超電導線と前記銅ハウジング
とを低融点金属４で一体に固着したハウジング型の複合
超電導々体５が知られている。As one of such superconducting bodies, FIG.
As shown in FIG. 2, two copper housings 1 and 2 having a concave cross section are arranged so as to face each other, and a superconducting wire 3 having a rectangular cross section in which a large number of superconducting filaments are arranged in a copper matrix is housed therein. A housing-type composite superconducting body 5 in which a superconducting wire and the copper housing are integrally fixed with a low melting point metal 4 is known.
【０００４】[0004]
【発明が解決しようとする課題】上記の複合超電導々体
５は、例えば、幅広面２ａを巻胴側とするフラットワイ
ズ巻きによりコイルに形成されるが、このように形成さ
れたコイルにおいては、電磁力によりＹ方向への大きな
フープストレスが働くため、一般にコイルの最外層に補
強層を設けて、これを抑えることが行われている。The above-mentioned composite superconducting body 5 is formed into a coil by, for example, flatwise winding with the wide surface 2a on the winding drum side. In the coil formed in this way, Since a large hoop stress acts in the Y direction due to the electromagnetic force, a reinforcing layer is generally provided on the outermost layer of the coil to suppress it.
【０００５】さらに、コイルを形成する隣接した超電導
々体間には、電流が同方向であるため、吸引力が働きＸ
方向への圧縮力が作用する。Further, since the current flows in the same direction between the adjacent superconducting bodies forming the coil, the attractive force acts X
A compressive force acts in the direction.
【０００６】本発明者等の知見によれば、従来、超電導
特性が低下する主要な原因と考えられていた上記のフー
プストレスおよびコイル形成時の曲げ歪の他に、このＸ
方向への圧縮力が超電導特性低下の主要原因の一つであ
ることが判明した。According to the knowledge of the present inventors, in addition to the above-mentioned hoop stress and bending strain at the time of coil formation, which are conventionally considered to be the main causes of deterioration of superconducting properties, this X
It was found that the compressive force in the direction was one of the main causes of the deterioration of superconducting properties.
【０００７】本発明は、この問題を解決するためになさ
れたもので、上記の圧縮力による超電導特性の低下を防
止したハウジング型の複合超電導々体およびその製造方
法を提供することをその目的とする。The present invention has been made to solve this problem, and an object thereof is to provide a housing-type composite superconducting body in which the deterioration of the superconducting characteristics due to the compressive force is prevented and a method for producing the same. To do.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
に、本願第１の発明は、断面凹状の２つの銅ハウジング
を対向させて配置し、この内部に銅マトリックス中に多
数本の超電導フィラメントを配置した矩形断面を有する
超電導線を収容して、この超電導線と前記銅ハウジング
とを低融点金属で一体に固着した複合超電導々体におい
て、超電導線の少なくとも一つの面とこれに対向する前
記２つの銅ハウジングの接着面の端部を含む内面との間
に空隙を設けるようにしたものである。In order to achieve the above object, in the first invention of the present application, two copper housings having a concave cross section are arranged to face each other, and a large number of superconducting filaments are provided in a copper matrix. A superconducting wire having a rectangular cross section in which the superconducting wire is arranged, and the superconducting wire and the copper housing are integrally fixed to each other by a low melting point metal. A gap is provided between the two copper housings and the inner surface including the ends of the bonding surfaces.
【０００９】上記のハウジング型の複合超電導々体にお
いては、一般に、大電流を流すために超電導フィラメン
トはＮｂ3 Ｓｎで形成されるが、これ以外のＶ3 Ｇａや
Ｎｂ−Ｔｉ合金によりフィラメントを形成することも勿
論可能である。In the above housing-type composite superconducting body, the superconducting filament is generally made of Nb 3 Sn in order to flow a large current, but the filament is made of other V 3 Ga or Nb-Ti alloy. Of course, it is also possible.
【００１０】また、上記のハウジング型の複合超電導々
体は、本願第２の発明である以下の工程により製造する
ことができる。The above housing-type composite superconducting body can be manufactured by the following steps which are the second invention of the present application.
【００１１】工程Ａ…断面凹状の２つの銅ハウジングを
対向させて配置し、この内部に低融点金属シート，シー
ト状部材および銅マトリックス中に多数本の超電導フィ
ラメントを配置した矩形断面を有する超電導線を収容す
る。この時、シート状部材を超電導線の少なくとも一つ
の面とこれに対向する２つの銅ハウジングの接着面の端
部を含む内面との間に配置する。Step A: A superconducting wire having a rectangular cross section in which two copper housings having a concave cross section are arranged to face each other, and a low melting point metal sheet, a sheet-shaped member and a large number of superconducting filaments are arranged in a copper matrix. To house. At this time, the sheet-like member is arranged between at least one surface of the superconducting wire and the inner surface including the ends of the bonding surfaces of the two copper housings facing the superconducting wire.
【００１２】工程Ｂ…これを加熱して低融点金属シート
を溶融した後、上記のシート状部材を除去する。Step B: This is heated to melt the low melting point metal sheet, and then the above-mentioned sheet-shaped member is removed.
【００１３】工程Ｃ…次いで、直ちに冷却することによ
り銅ハウジングと超電導線とを低融点金属で固着する。Step C ... Then, the copper housing and the superconducting wire are fixed by a low melting point metal by immediately cooling.
【００１４】上記のシート状部材としては、強度が高
く、かつ高周波誘導炉で高温に加熱されないために高抵
抗で、さらにフラックスにより腐食されないために耐酸
化性を有する材料からなるものが望ましい。このような
材料としては、例えばステンレスをあげることができ
る。The above-mentioned sheet-like member is preferably made of a material having high strength, high resistance because it is not heated to a high temperature in a high-frequency induction furnace, and oxidation resistant because it is not corroded by flux. Examples of such a material include stainless steel.
【００１５】[0015]
【作用】上記構成の複合超電導々体においては、図４に
おけるＸ方向への圧縮力が働いても、超電導線とこれに
対向する２つの銅ハウジングの接着面の端部を含む内面
との間に空隙が存在するため、超電導線にこの圧縮力が
直接作用せず、圧縮力による超電導特性の低下を防止す
ることができる。また、このような複合超電導々体は、
シート状部材を超電導線と銅ハウジングとの間に配置し
て低融点金属を溶融させ、シート状部材を除去した後、
直ちに冷却することにより容易に製造することができ
る。In the composite superconducting body having the above-mentioned structure, even if the compressive force in the X direction in FIG. Since the void exists in the superconducting wire, the compressive force does not directly act on the superconducting wire, and it is possible to prevent the deterioration of the superconducting property due to the compressive force. In addition, such a composite superconductor
After disposing the sheet-shaped member between the superconducting wire and the copper housing to melt the low melting point metal and remove the sheet-shaped member,
It can be easily manufactured by immediately cooling.
【００１６】[0016]
【実施例】以下本発明の実施例について説明する。図１
は本発明の複合超電導々体の一実施例の断面図を示した
もので、図４と同一部分は同符号で示してある。EXAMPLES Examples of the present invention will be described below. Figure 1
Shows a sectional view of an embodiment of the composite superconductor of the present invention, and the same portions as those in FIG. 4 are denoted by the same reference numerals.
【００１７】同図において、複合超電導々体１０は、断
面凹状の２つの銅ハウジング１，２を対向させて配置
し、この内部に銅マトリックス中に多数本の超電導フィ
ラメントを配置した矩形断面を有する超電導線３を収容
して、この超電導線３と銅ハウジング１，２とを低融点
金属４で一体に固着した構造を有しており、超電導線３
の側面３ａとこれに対向する２つの銅ハウジング１，２
の接着面１１の端部１１ａを含む内面１２との間に空隙
１３が形成されている。In the figure, the composite superconducting body 10 has a rectangular cross section in which two copper housings 1 and 2 having a concave cross section are arranged to face each other, and a large number of superconducting filaments are arranged in a copper matrix inside the copper housings. The superconducting wire 3 is housed, and the superconducting wire 3 and the copper housings 1 and 2 are integrally fixed to each other with a low melting point metal 4.
Side 3a and two copper housings 1 and 2 facing each other
A void 13 is formed between the adhesive surface 11 and the inner surface 12 including the end portion 11a.
【００１８】この場合、空隙１３は超電導線３の片側に
形成されているが、超電導線３の両側に空隙を形成する
ようにしてもよい。In this case, the voids 13 are formed on one side of the superconducting wire 3, but the voids may be formed on both sides of the superconducting wire 3.
【００１９】このように超電導線の側面とこれに対向す
る２つの銅ハウジングの内面との間に空隙を形成するこ
とにより、Ｘ方向の圧縮力が作用して銅ハウジングが点
線のように変形しても、その力が直接超電導線に伝達さ
れないため、超電導特性が低下することが防止される。Thus, by forming a gap between the side surface of the superconducting wire and the inner surfaces of the two copper housings facing it, the compressive force in the X direction acts and the copper housing is deformed as shown by the dotted line. However, since the force is not directly transmitted to the superconducting wire, it is possible to prevent deterioration of the superconducting property.
【００２０】空隙１３は、例えば、４．３ｍｍ×１１．
８ｍｍの断面の複合超電導々体の内部に２ｍｍ×４ｍｍ
の超電導線を収容した場合、１ｍｍ以下の程度の隙間で
十分である。The void 13 has, for example, 4.3 mm × 11.
2mm x 4mm inside the composite superconducting body with 8mm cross section
When accommodating the superconducting wire of 1), a gap of about 1 mm or less is sufficient.
【００２１】図２は、上記の複合超電導々体１０の製造
方法を実施するための装置２０の概略を示したもので、
２１は断面凹状の上部ハウジングの送り出しドラム、２
２は断面凹状の下部ハウジングの送り出しドラム、２３
は銅マトリックス中に多数本のＮｂ3 Ｓｎフィラメント
を配置した矩形断面を有する超電導線の送り出しドラ
ム、２４，２５は半田テープの送り出しボビン、２６，
２７は複数対のロール群よりなる押さえロール、２８は
高周波誘導炉、２９は巻取機、３０は巻取ドラムであ
る。FIG. 2 schematically shows an apparatus 20 for carrying out the method for manufacturing the composite superconducting body 10 described above.
21 is a delivery drum of an upper housing having a concave cross section, 2
2 is a delivery drum of a lower housing having a concave cross section, 23
Is a superconducting wire feeding drum having a rectangular cross section in which a large number of Nb 3 Sn filaments are arranged in a copper matrix, 24 and 25 are solder tape feeding bobbins, 26,
Reference numeral 27 is a pressing roll composed of a plurality of pairs of rolls, 28 is a high-frequency induction furnace, 29 is a winding machine, and 30 is a winding drum.
【００２２】図において、送り出しドラム２１，２２か
ら送り出された上部ハウジング２１ａおよび下部ハウジ
ング２２ａは、押さえロール２６で内部に所定の空間を
形成するように位置決めされる。同時に、この空間内に
送り出しドラム２３より送り出された超電導線２３ａお
よび送り出しボビン２４，２５より送り出された半田テ
ープ２４ａおよび２５ａが集合される。In the figure, the upper housing 21a and the lower housing 22a delivered from the delivery drums 21 and 22 are positioned by a pressing roll 26 so as to form a predetermined space inside. At the same time, the superconducting wire 23a sent from the sending drum 23 and the solder tapes 24a and 25a sent from the sending bobbins 24 and 25 are gathered in this space.
【００２３】これらの上部ハウジング２１ａと下部ハウ
ジング２２ａとで形成される空間内に超電導線２３ａ、
半田テープ２４ａおよび２５ａが所定の位置に配置され
るように、押さえロール２６の素材供給側から押さえロ
ール２７の直前までステンレス（ＳＵＳ３１６）テープ
３１がガイドとして固定されている。In the space formed by the upper housing 21a and the lower housing 22a, the superconducting wire 23a,
A stainless (SUS316) tape 31 is fixed as a guide from the material supply side of the press roll 26 to just before the press roll 27 so that the solder tapes 24a and 25a are arranged at predetermined positions.
【００２４】この押さえロール２６で集合された各素材
の位置関係を図３に示す。FIG. 3 shows the positional relationship among the materials gathered by the pressing roll 26.
【００２５】このように集合された各素材は、高周波誘
導炉２８で加熱されて半田テープ２４ａおよび２５ａが
溶融し、上部ハウジング２１ａと下部ハウジング２２ａ
と超電導線２３ａとの間隙に充填される。次いで、押さ
えロール２７の上部から供給される冷却水３２により直
ちに冷却されて固着するとともに、この直前で除去され
たステンレステープ３１の位置に空隙を形成して図１に
示す複合超電導々体１０が製造され、巻取ドラム３０に
巻き取られる。The materials thus assembled are heated in the high-frequency induction furnace 28 to melt the solder tapes 24a and 25a, and the upper housing 21a and the lower housing 22a.
And the superconducting wire 23a. Then, the composite superconducting body 10 shown in FIG. 1 is formed by immediately cooling and fixing the cooling water 32 supplied from the upper part of the pressing roll 27 and forming a void at the position of the stainless steel tape 31 removed immediately before. It is manufactured and wound on the winding drum 30.
【００２６】尚、以上の実施例において、上部ハウジン
グと下部ハウジングとの接触面とそれぞれの凹状部内面
および超電導線の表面に予め半田メッキを施しておくこ
とにより、上部ハウジングと下部ハウジングおよび超電
導線との固着を完全に行うことができる。In the above embodiment, the upper housing, the lower housing, and the superconducting wire are preliminarily solder-plated on the contact surfaces of the upper housing and the lower housing, the inner surfaces of the respective concave portions, and the surface of the superconducting wire. Can be fixed completely.
【００２７】[0027]
【発明の効果】以上述べたように、本発明の複合超電導
々体によれば、圧縮力による超電導特性の低下を防止す
ることができ、またこの複合超電導々体は本発明の複合
超電導々体の製造方法により、連続して導体を容易に製
造することができる。As described above, according to the composite superconducting body of the present invention, it is possible to prevent the deterioration of the superconducting characteristics due to the compressive force, and this composite superconducting body is the composite superconducting body of the present invention. With the manufacturing method described above, the conductor can be continuously and easily manufactured.
【図１】本発明の複合超電導々体の一実施例を示す断面
図。FIG. 1 is a sectional view showing an embodiment of a composite superconducting body of the present invention.
【図２】本発明の複合超電導々体の製造方法を示す装置
の概略図。FIG. 2 is a schematic view of an apparatus showing a method for producing a composite superconducting body of the present invention.
【図３】本発明の複合超電導々体の製造方法における各
素材の集合状態を示す断面図。FIG. 3 is a cross-sectional view showing an aggregated state of each material in the method for manufacturing the composite superconductor according to the present invention.
【図４】従来のハウジング型の複合超電導々体の断面
図。FIG. 4 is a sectional view of a conventional housing type composite superconducting body.
１，２…銅ハウジング ３…超電導線 ４…低融点金属 １０…複合超電導々体 １３…空隙 ２０…複合超電導々体の製造方法を示す装置の概略図。 ２１ａ…上部ハウジング ２２ａ…下部ハウジング ２３ａ…超電導線 ２４ａ、２５ａ…半田テープ ２５…高周波誘導炉 ２６，２７…押さえロール ３１…ステンレステープ ３２…冷却水 1, 2 ... Copper housing 3 ... Superconducting wire 4 ... Low melting point metal 10 ... Composite superconducting body 13 ... Void 20 ... Schematic diagram of an apparatus showing a manufacturing method of the composite superconducting body. 21a ... upper housing 22a ... lower housing 23a ... superconducting wire 24a, 25a ... solder tape 25 ... high frequency induction furnace 26,27 ... pressing roll 31 ... stainless steel tape 32 ... cooling water
───────────────────────────────────────────────────── フロントページの続き (72)発明者 熊野 智幸 神奈川県川崎市川崎区小田栄２丁目１番１ 号 昭和電線電纜株式会社内 (72)発明者 野口 一朗 神奈川県川崎市川崎区小田栄２丁目１番１ 号 昭和電線電纜株式会社内 (72)発明者 袴田 真志 神奈川県川崎市川崎区小田栄２丁目１番１ 号 昭和電線電纜株式会社内 (72)発明者 志賀 紀幸 神奈川県川崎市川崎区小田栄２丁目１番１ 号 昭和電線電纜株式会社内 (72)発明者 山崎 高之 神奈川県川崎市川崎区小田栄２丁目１番１ 号 昭和電線電纜株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tomoyuki Kumano 2-1-1 Oda Sakae, Kawasaki-ku, Kawasaki-shi, Kanagawa Showa Electric Wire & Cable Co., Ltd. (72) Ichiro Noguchi 2 Sakae Oda, Kawasaki-ku, Kawasaki-shi, Kanagawa No. 1-1 No. 1 Showa Densen Denki Co., Ltd. (72) Inventor Masashi Hakada 2-11 No. 1 Sakae Oda Kawasaki-ku, Kawasaki-shi, Kanagawa Kanagawa Pref. 2-1-1, Oda-ku, Showa Electric Wire Co., Ltd. (72) Inventor Takayuki Yamazaki 2-1-1, Odae, Kawasaki-ku, Kanagawa Prefecture
Claims (2)
せて配置し、この内部に銅マトリックス中に多数本の超
電導フィラメントを配置した矩形断面を有する超電導線
を収容して、この超電導線と前記銅ハウジングとを低融
点金属で一体に固着した複合超電導々体において、前記
超電導線の少なくとも一つの面とこれに対向する前記２
つの銅ハウジングの接着面の端部を含む内面との間に空
隙を設けたことを特徴とする複合超電導々体。1. A superconducting wire having a rectangular cross section in which two copper housings each having a concave cross section are arranged to face each other, and a large number of superconducting filaments are arranged in a copper matrix. In a composite superconducting body in which a copper housing is integrally fixed with a low melting point metal, at least one surface of the superconducting wire and the above-mentioned 2
A composite superconducting body, characterized in that a gap is provided between the inner surface of the copper housing and the inner surface including the ends of the bonding surfaces.
せて配置し、この内部に低融点金属シートを介して銅マ
トリックス中に多数本の超電導フィラメントを配置した
矩形断面を有する超電導線を収容する工程Ａと、前記低
融点金属シートを溶融させる工程Ｂと、次いで冷却する
工程Ｃとにより前記銅ハウジングと前記超電導線とを低
融点金属で固着した複合超電導々体を製造する方法にお
いて、前記工程Ａから工程Ｂ間において、前記超電導線
の少なくとも一つの面とこれに対向する前記２つの銅ハ
ウジングの接着面の端部を含む内面との間にシート状部
材を介在させることを特徴とする複合超電導々体の製造
方法。2. A superconducting wire having a rectangular cross section in which two copper housings having a concave cross section are arranged to face each other, and a large number of superconducting filaments are arranged in a copper matrix with a low melting point metal sheet interposed therebetween. In the method for producing a composite superconducting body in which the copper housing and the superconducting wire are fixed to each other with a low melting point metal in the step A, the step B of melting the low melting point metal sheet, and the step C of subsequently cooling, the step of: Between step A and step B, a sheet-like member is interposed between at least one surface of the superconducting wire and an inner surface including the ends of the bonding surfaces of the two copper housings facing the superconducting wire. Superconducting body manufacturing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4225649A JPH0676651A (en) | 1992-08-25 | 1992-08-25 | Composite superconductor and manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4225649A JPH0676651A (en) | 1992-08-25 | 1992-08-25 | Composite superconductor and manufacture thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0676651A true JPH0676651A (en) | 1994-03-18 |
Family
ID=16832611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4225649A Withdrawn JPH0676651A (en) | 1992-08-25 | 1992-08-25 | Composite superconductor and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0676651A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016502728A (en) * | 2012-08-29 | 2016-01-28 | スナム カンパニー リミテッド | Superconducting wire manufacturing method and superconducting wire manufactured thereby |
| US9737840B2 (en) | 2015-05-07 | 2017-08-22 | Tigers Polymer Corporation | Air cleaner |
-
1992
- 1992-08-25 JP JP4225649A patent/JPH0676651A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016502728A (en) * | 2012-08-29 | 2016-01-28 | スナム カンパニー リミテッド | Superconducting wire manufacturing method and superconducting wire manufactured thereby |
| US9737840B2 (en) | 2015-05-07 | 2017-08-22 | Tigers Polymer Corporation | Air cleaner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6509819B2 (en) | Rotor assembly including superconducting magnetic coil | |
| US5278533A (en) | Coil for use in charged particle deflecting electromagnet and method of manufacturing the same | |
| EP0067591A1 (en) | Al-stabilized superconductor, and method of producing the same | |
| GB2308490A (en) | Superconductor and energy storage device | |
| JPH0676651A (en) | Composite superconductor and manufacture thereof | |
| JPS6142368B2 (en) | ||
| JPH0239105B2 (en) | ||
| JPH10214713A (en) | Superconducting coil | |
| US4694268A (en) | Superconducting solenoid having alumina fiber insulator | |
| JPH0676649A (en) | Composite superconductor | |
| JPH0684414A (en) | Manufacture of composite superconductor | |
| JP5695632B2 (en) | Oxide superconducting wire, manufacturing method thereof, superconducting coil and superconducting cable | |
| JPS638602B2 (en) | ||
| JPS6328328B2 (en) | ||
| US20030184929A1 (en) | Method for reducing ac loss in superconducting coils | |
| JPS58169712A (en) | Method of producing composite superconductive wire | |
| JP2749136B2 (en) | Aluminum stabilized superconducting wire | |
| JPH06260335A (en) | High temperature superconducting magnet | |
| JPS5952491B2 (en) | Method for producing stabilized superconducting stranded wire | |
| JPS6020856B2 (en) | Stabilized composite superconducting cable and its manufacturing method | |
| JPH0638368B2 (en) | Superconducting coil | |
| JPS59230190A (en) | Magnetic field generating coil | |
| JPS596486B2 (en) | Superconducting coil manufacturing method | |
| JPS6280985A (en) | Manufacturing superconducting coil | |
| JP2965786B2 (en) | Helical coil and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19991102 |