JPH0446083A - Superconducting pipe and its production - Google Patents
Superconducting pipe and its productionInfo
- Publication number
- JPH0446083A JPH0446083A JP2154930A JP15493090A JPH0446083A JP H0446083 A JPH0446083 A JP H0446083A JP 2154930 A JP2154930 A JP 2154930A JP 15493090 A JP15493090 A JP 15493090A JP H0446083 A JPH0446083 A JP H0446083A
- Authority
- JP
- Japan
- Prior art keywords
- superconducting
- pipe
- layer
- ceramic
- transfer
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000000919 ceramic Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims description 6
- 238000005245 sintering Methods 0.000 abstract description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052593 corundum Inorganic materials 0.000 abstract description 2
- 150000004767 nitrides Chemical class 0.000 abstract description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 2
- 229910010293 ceramic material Inorganic materials 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- BYFGZMCJNACEKR-UHFFFAOYSA-N aluminium(i) oxide Chemical compound [Al]O[Al] BYFGZMCJNACEKR-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005292 diamagnetic effect Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は超電導性パイプに関し、超電導性パイプが従
来のものとは異なって、セラミックスパイプを利用した
超電導性パイプ及びその製造法に俤るものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a superconducting pipe, and the present invention relates to a superconducting pipe that uses a ceramic pipe, unlike conventional superconducting pipes, and a method for manufacturing the same. It is.
（従来の技術）
従来の超電導性パイプとしては超電導性材料を圧縮プレ
ス法で加工して得たものが知られている。(Prior Art) As a conventional superconducting pipe, one obtained by processing a superconducting material using a compression press method is known.
（発明が解決しようとする課題）
しかし、従来の超電導性パイプは、圧縮プレス法で加工
したものであるから、高価な超電導性材料が多量に必要
であった。(Problems to be Solved by the Invention) However, since conventional superconducting pipes are processed using a compression press method, a large amount of expensive superconducting material is required.
また、パイプ全体が同一組成の材料からなるため、パイ
プ全体すなわち超電導性材料全体を均一に焼結すること
は容易ではなかった。Furthermore, since the entire pipe is made of materials with the same composition, it is not easy to uniformly sinter the entire pipe, that is, the entire superconducting material.
さらに、パイプ全体が超電導性であるから、非常に脆か
った。Furthermore, since the entire pipe was superconducting, it was extremely fragile.
この発明はかかる欠点を除去するもので、使用する超電
導性材料は少量でよく、大幅なコストダウンとなり、ま
た、超電導性材料全体を均一に焼結することも容易で、
さらに、パイプ全体が非常に強固で脆くない超電導性パ
イプ及びその製Ｊ貴法を提供するものである。This invention eliminates these drawbacks; only a small amount of superconducting material is needed, resulting in a significant cost reduction; and it is also easy to uniformly sinter the entire superconducting material.
Furthermore, the present invention provides a superconducting pipe in which the entire pipe is extremely strong and not brittle, and a method for manufacturing the same.
（課題と解決するための手段）
この発明は、セラミックスパイプの表面に超電導性層が
形成されていることを特徴とする超電導性パイプである
。(Problems and Means for Solving the Problems) The present invention is a superconducting pipe characterized in that a superconducting layer is formed on the surface of the ceramic pipe.
また、この発明は、セラミックスパイプの表面に、超電
導性材料を備えた転写層を基材の片面に有してなる超電
導性転写材を転写することにより、セラミックスパイプ
の表面を、超電導性層で被覆し、その後焼結したことを
特徴とする超電導性パイプの製造法である。Further, the present invention provides a superconducting transfer material having a transfer layer including a superconducting material on one side of the base material, which is transferred onto the surface of the ceramic pipe. A method for producing a superconducting pipe characterized by coating and then sintering.
以下、この発明を、図面を参照しつつ説明する。The present invention will be explained below with reference to the drawings.
セラミックスパイプ１０は酸化物＜ Ａ Ｉ ２０１、
ＴｉＯ２等〉、窒化物（ＡＩＮ）、ホウ化物、硫化物等
のセラミックス材からなり、約１０００℃の焼結温度に
も耐えるものである。Ceramic pipe 10 is made of oxide < A I 201,
TiO2, etc.), nitride (AIN), boride, sulfide, etc., and can withstand a sintering temperature of about 1000°C.
セラミックスパイプ１０は、例えば第２図に示すごとく
、一端又は両端に底部２０があってもよく、また、一端
又は両端には、底部の有無に拘らず、穴付き又は非穴付
きの藍があってもよい、勿論、両端には底部も蓋も無く
てもよい、尚、穴付きの蓋がある場合には、後にその穴
からリード線を取り出すことができる。The ceramic pipe 10 may have a bottom 20 at one or both ends, for example as shown in FIG. Of course, there may be no bottom or lid at either end. If there is a lid with a hole, the lead wire can be taken out from the hole later.
セラミックスパイプ１０の断面形状は円、角、その他自
由に設計できる。The cross-sectional shape of the ceramic pipe 10 can be freely designed such as a circle, a corner, or any other shape.
セラミックスパイプ１０の太さ、長さも自由である。The thickness and length of the ceramic pipe 10 are also free.
セラミックスパイプ１０の表面には、例えば特開昭６４
−８３６５４号公報にも記載されているような、超電導
性材料を備えた転写層を基材の片面に有してなる超電導
性転写材を転写する。このようにすると、！ｌｌ電導性
材料を備えた転写層が超電導性層３０として、例えば第
１図に示すごとく、セラミックスパイプ１０の外周に転
写され、セラミックスパイプ１０の外周は超電導性層３
０で被覆される。On the surface of the ceramic pipe 10, for example,
A superconducting transfer material having a transfer layer including a superconducting material on one side of a base material as described in Japanese Patent No. 83654 is transferred. If you do it like this! A transfer layer comprising a conductive material is transferred as a superconducting layer 30 onto the outer periphery of the ceramic pipe 10, for example as shown in FIG.
Covered with 0.
超電導性層３０によるセラミックスパイプ１０の表面の
被覆は、セラミックスパイプ１０の外周の全体的被覆で
もよく、部分的被覆でもよい。The surface of the ceramic pipe 10 may be covered with the superconducting layer 30 entirely or partially.
また、セラミックスパイプ１０の表面の被覆は、セラミ
ックスパイプ１０の外周のみならず、第２図に示すごと
く、セラミックスパイプ１０の端部も超電導性層で被覆
してもよい、勿論この場合、底部２０はあってもなくて
もよい。Further, the surface of the ceramic pipe 10 may be coated with a superconducting layer not only on the outer circumference of the ceramic pipe 10 but also on the end portion of the ceramic pipe 10 as shown in FIG. 2. Of course, in this case, the bottom portion 20 May be present or absent.
電磁波シールド特性を付与するには、焼結後の超電導性
層の厚さが、１０μ−以上必要である。In order to provide electromagnetic shielding properties, the thickness of the superconducting layer after sintering must be 10 μm or more.
セラミックスパイプ１０の表面を超電導性転写材の転写
により超電導性層３０被覆した後、焼結する。After the surface of the ceramic pipe 10 is coated with a superconducting layer 30 by transferring a superconducting transfer material, it is sintered.
この焼結により、超電導性層３０自体がより均一な組成
となり、かつ、超電導性層３０がよ、り緻密となるもの
である。Due to this sintering, the composition of the superconducting layer 30 itself becomes more uniform, and the superconducting layer 30 becomes more dense.
また、超電導性材料が予め超電導性を有していないもの
であるときには、この焼結により、超電導性材料が文字
通り超電導性となるものである。Further, when the superconducting material does not have superconductivity in advance, the sintering literally makes the superconducting material superconducting.
この発明の超電導性パイプは、各種の試験器具、医療機
器、コンピューター素子等電磁波発生源、制ｔｊＩｇ測
定機器の電磁波シールド治具等として使用できる。The superconducting pipe of the present invention can be used as various test instruments, medical equipment, electromagnetic wave generating sources such as computer elements, electromagnetic wave shielding jig for tjIg measuring equipment, etc.
（実施例）
焼結処理で製造し予め超電導性を！ｉ認したＢ１−Ｐｂ
−３ｒ−Ｃａ−Ｃｕ−○系酸化物の高温超電導性材料の
粉末をジルコニアボールで微細粉砕し、これをブチラー
ル樹脂の中に１４５０ＰＨＲ含有させたものを、シリコ
ンコートした厚さ２５μ■のポリエステルフィルムのシ
リコンコート面に、リバースコートにより１８μｍの厚
さに塗布して超電導性層を形成して、超電導性転写材を
得た。(Example) Manufactured by sintering process and has superconductivity in advance! i recognized B1-Pb
-3r-Ca-Cu-○-based oxide high-temperature superconducting material powder is finely pulverized with zirconia balls, and 1450 PHR of this is contained in butyral resin, which is then coated with silicone to form a 25 μm thick polyester film. A superconducting layer was formed by reverse coating the silicon-coated surface of the sample to a thickness of 18 μm to obtain a superconducting transfer material.
次いで、厚さ１０閣内径３０ｍΦの仮焼きした断面円形
で中空のＡｌ２Ｏ３パイプの外周に、上記超電導性転写
材を１８０℃の加熱ロールでプレス転写させ、これを１
０周繰り返して１７５μ−の厚さの超電導性層を形成し
、この超電導性層により、Ａ１．Ｏ，パイプの外周を？
ｆｆ１Ｆ！Ｌな、このプレス転写時には、圧力を高めて
Ａｌ２Ｏ，バイアと超電導性層の密着力を大きくすると
共に、圧力によるＡ Ｉ ２０ ｓパイプの割れや破損
防止のために、ＡＩ、○、バイブ内にステンレスパイプ
と挿入した。Next, the superconducting transfer material was press-transferred onto the outer periphery of a calcined hollow Al2O3 pipe with a circular cross section and an internal diameter of 30 mΦ using a heated roll at 180°C.
A superconducting layer having a thickness of 175 μ- is formed by repeating 0 rounds, and this superconducting layer allows A1. O, the outer circumference of the pipe?
ff1F! L, during this press transfer, the pressure is increased to increase the adhesion between the Al2O, via and the superconducting layer, and in order to prevent cracking or damage of the AI 20s pipe due to pressure, AI, ○, is placed inside the vibrator. Inserted with stainless steel pipe.
その後、超電導性層により外周を被覆したＡ１、○、パ
イプを、８５０℃×２４時間で焼結し、この発明の超電
導性パイプを得た。Thereafter, the A1, ○, pipe whose outer periphery was covered with a superconducting layer was sintered at 850° C. for 24 hours to obtain a superconducting pipe of the present invention.
得られた超電導性パイプ牙液体窒素温度に冷却したとき
の電気抵抗特性は間Ｕなく、１０５″にでゼロ抵抗を示
していた。また、反磁性のマイスナ−効果も確認できた
。The electrical resistance characteristics of the obtained superconducting pipe when cooled to liquid nitrogen temperature showed zero resistance at 105''. Also, the diamagnetic Meissner effect was confirmed.
（発明の効果）
この発明は以上のように構成したから、超電導性材料は
パイプの外周にのみ存在し、パイプの中心部はセラミッ
クスが存在するから、使用する超電導性材料は少量でよ
く、大幅なコストダウンとなる。(Effects of the Invention) Since the present invention is constructed as described above, the superconducting material exists only on the outer periphery of the pipe, and the ceramic exists in the center of the pipe, so the amount of superconducting material used can be reduced to a small amount and significantly This results in cost reduction.
また、セラミックスパイプの表面を被覆する超電導性層
は薄く、超電導性材料全体は容易に均一に焼結されるか
ら、高性能の超電導性パイプである。Furthermore, the superconducting layer covering the surface of the ceramic pipe is thin, and the entire superconducting material can be easily and uniformly sintered, resulting in a high-performance superconducting pipe.
さらに、セラミックスパイプが芯となっているから、パ
イプ全体が非常に強固で従来のもののように脆くない。Furthermore, since the core is a ceramic pipe, the entire pipe is extremely strong and not brittle like conventional pipes.
さらに、この発明は、焼結前のセラミックスパイプの表
面を超電導性層で被覆した段階で言わば事前のチエツク
ができ、不良率発生が少ない。Furthermore, in the present invention, a preliminary check can be performed at the stage where the surface of the ceramic pipe is coated with a superconducting layer before sintering, so that the number of defective products is reduced.
さらにまた、この発明は、超電導性層の厚さの調節も容
易に可能で、形状も自由に設計でき、超電導性層の積層
もできる。Furthermore, according to the present invention, the thickness of the superconducting layer can be easily adjusted, the shape can be freely designed, and the superconducting layers can be laminated.
また、この発明は、セラミックスパイプを利用している
が、表面の超電導性層により電磁波シールド特性も有し
ているものである。Further, although this invention uses a ceramic pipe, it also has electromagnetic wave shielding properties due to the superconducting layer on the surface.
第１図は、この発明の超電導性バイブの一実施例を示す
一部斜視図である。第２図は、この発明の超電導性バイ
ブの他の一実施例を示す一部断面図である。
１０・・・セラミックスパイプ
２０・・・底部
３０・・・超電導性層FIG. 1 is a partial perspective view showing an embodiment of the superconducting vibrator of the present invention. FIG. 2 is a partial sectional view showing another embodiment of the superconducting vibrator of the present invention. 10... Ceramic pipe 20... Bottom part 30... Superconducting layer
Claims (2)
れていることを特徴とする超電導性パイプ。(1) A superconducting pipe characterized by having a superconducting layer formed on the surface of the ceramic pipe.
えた転写層を基材の片面に有してなる超電導性転写材を
転写することにより、セラミックスパイプの表面を、超
電導性層で被覆し、その後焼結したことを特徴とする超
電導性パイプの製造法。(2) Covering the surface of the ceramic pipe with a superconducting layer by transferring a superconducting transfer material having a transfer layer comprising a superconducting material on one side of the base material onto the surface of the ceramic pipe, A method for manufacturing a superconducting pipe, characterized in that it is then sintered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2154930A JPH0446083A (en) | 1990-06-12 | 1990-06-12 | Superconducting pipe and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2154930A JPH0446083A (en) | 1990-06-12 | 1990-06-12 | Superconducting pipe and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0446083A true JPH0446083A (en) | 1992-02-17 |
Family
ID=15595053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2154930A Pending JPH0446083A (en) | 1990-06-12 | 1990-06-12 | Superconducting pipe and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0446083A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007534119A (en) * | 2004-04-23 | 2007-11-22 | ソニー ドイチュラント ゲゼルシャフト ミット ベシュレンクテル ハフツング | Method for producing porous semiconductor film on substrate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6414826A (en) * | 1987-07-09 | 1989-01-19 | Mitsubishi Electric Corp | Formation of fine electrical conductor layer pattern and device therefor |
| JPS6414825A (en) * | 1987-07-09 | 1989-01-19 | Mitsubishi Electric Corp | Formation of fine electrical conductor layer pattern and device therefor |
| JPS6423595A (en) * | 1987-07-18 | 1989-01-26 | Mitsubishi Electric Corp | Method and apparatus for forming fine conductor layer pattern |
| JPH01173795A (en) * | 1987-12-28 | 1989-07-10 | Showa Electric Wire & Cable Co Ltd | Magnetic shielding superconductive material |
| JPH0255280A (en) * | 1988-08-19 | 1990-02-23 | Reiko Co Ltd | Production of ceramic form |
| JPH02107786A (en) * | 1988-10-14 | 1990-04-19 | Sanyo Electric Co Ltd | Formation of oxide superconducting film |
-
1990
- 1990-06-12 JP JP2154930A patent/JPH0446083A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6414826A (en) * | 1987-07-09 | 1989-01-19 | Mitsubishi Electric Corp | Formation of fine electrical conductor layer pattern and device therefor |
| JPS6414825A (en) * | 1987-07-09 | 1989-01-19 | Mitsubishi Electric Corp | Formation of fine electrical conductor layer pattern and device therefor |
| JPS6423595A (en) * | 1987-07-18 | 1989-01-26 | Mitsubishi Electric Corp | Method and apparatus for forming fine conductor layer pattern |
| JPH01173795A (en) * | 1987-12-28 | 1989-07-10 | Showa Electric Wire & Cable Co Ltd | Magnetic shielding superconductive material |
| JPH0255280A (en) * | 1988-08-19 | 1990-02-23 | Reiko Co Ltd | Production of ceramic form |
| JPH02107786A (en) * | 1988-10-14 | 1990-04-19 | Sanyo Electric Co Ltd | Formation of oxide superconducting film |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007534119A (en) * | 2004-04-23 | 2007-11-22 | ソニー ドイチュラント ゲゼルシャフト ミット ベシュレンクテル ハフツング | Method for producing porous semiconductor film on substrate |
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