KR920008810A - Superconducting pipe and its manufacturing method - Google Patents

Superconducting pipe and its manufacturing method Download PDF

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Publication number
KR920008810A
KR920008810A KR1019910018753A KR910018753A KR920008810A KR 920008810 A KR920008810 A KR 920008810A KR 1019910018753 A KR1019910018753 A KR 1019910018753A KR 910018753 A KR910018753 A KR 910018753A KR 920008810 A KR920008810 A KR 920008810A
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South Korea
Prior art keywords
superconducting
welding
manufacturing
laser
welded
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KR1019910018753A
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Korean (ko)
Inventor
미사오 사카노
신이치 무코야마
타카시 시마노
Original Assignee
토모마쯔 켄고
후루카와덴키고오교오 카부시키가이샤
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Publication of KR920008810A publication Critical patent/KR920008810A/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/206—Laser sealing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/24—Seam welding
    • B23K26/28—Seam welding of curved planar seams
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
    • H05H7/14—Vacuum chambers
    • H05H7/18—Cavities; Resonators
    • H05H7/20—Cavities; Resonators with superconductive walls

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Particle Accelerators (AREA)
  • Laser Beam Processing (AREA)

Abstract

내용 없음No content

Description

초전도가속관 및 그 제조방법Superconducting pipe and its manufacturing method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는, 본 발명의 초전도가속관 및 그 제조방법의 제1의 실시예를 표시한 것으로, 초전도가속관의 용접에 사용되는 광학계 및 쳄버로 배치된 가속관의 평면도,1 shows a first embodiment of a superconducting tube of the present invention and a method for manufacturing the same, and is a plan view of an acceleration tube disposed with an optical system and a chamber used for welding the superconducting tube,

제2도는, 본 발명의 가속관의 한 예를 표시하는 단면정면도,2 is a cross-sectional front view showing an example of the accelerator tube of the present invention,

제3도는, 제1도에 표시한 광학계와 쳄버의 평면배치도.3 is a planar layout view of the optical system and chamber shown in FIG.

Claims (15)

서로 맞대어지는 원주단부가 있으며, 초전도재로 만들어지는 복수개의구성부품(11)을, 전기한 주단부에서 서로 맞대고, 그 맞대어진 접합부(B)를 용접하여 만들어지는 초전도가속관에 있어서, 전기한 접합부(B)가 레이저광에 의하여 용접되어 있는 것을 특징으로 하는 초전도가속관.In a superconducting pipe formed by welding a plurality of component parts (11) made of superconducting materials to each other at the main ends, and welding the joined joints (B), each of which has a circumferential end facing each other. Superconducting pipes, characterized in that the junction (B) is welded by laser light. 제1항에 있어서, 전기한 초전도가속관은 전기한 접합부(B)의 적어도 내표면만이 레이저용접되고, 용접깊이는 초전도재의 두께의 1/2이하, 150㎛ 이상으로 하는 것을 특징으로 하는 초전도가속관.2. The superconducting superconductor according to claim 1, wherein the superconducting pipe is electrically welded to at least the inner surface of the junction B, and the welding depth is not more than 1/2 of the thickness of the superconducting material and not less than 150 µm. Acceleration tube. 제2항에 있어서, 전기한 복수개의 구성부품(11)은 초전도재의 두께가 0.1㎜ 이상 1㎜ 이하인 것을 특징으로 하는 초전도가속관.The superconducting pipe according to claim 2, wherein the plural components (11) described above have a thickness of the superconducting material of 0.1 mm or more and 1 mm or less. 서로 맞대어지는 주단부가 있으며, 초전도재로 만들어진 구성부품을 전기한 주단부에서 서로 맞대고, 그 맞대어진 접합부(B)를 용접하여 접합하는 초전도 가속관의 제조방법에 있어서, 전기한 접합부(B)에 레이저 광을 조사하여 전기한 복수개의 구성부품(11)을 서로서로 레이저용접하는 것을 특징으로 하는 초전도가속관의 제조방법.In the manufacturing method of the superconducting acceleration tube which has the main end which mutually opposes, but abuts the component made from the superconducting material, and joins together the butt | bonded junction part B, The superconducting acceleration tube is produced. A method of manufacturing a superconducting conduit, characterized in that a plurality of component parts (11) which have been irradiated with laser light and are electrically welded to each other are laser welded. 제4항에 있어서, 전기한 접합부(B)는 적어도 내표면만 레이저용접되고, 용접깊이가 초전도재의 두께의 1/2 이하 150㎛ 이상인 것을 특징으로 하는 초전도가속관.5. The superconducting pipe according to claim 4, wherein the joined portion (B) is laser welded at least only on the inner surface, and the welding depth is not more than 1/2 of the thickness of the superconducting material and not less than 150 µm. 제5항에 있어서, 전기한 초전도재의 두께가 0.1㎜ 이상, 1㎜ 이하의 범위로 한 것을 특징으로 하는 초전도가속관의 제조방법.The method for manufacturing a superconducting pipe according to claim 5, wherein the thickness of the superconducting material described above is in a range of 0.1 mm or more and 1 mm or less. 제4항에 있어서, 전기한 레이저용접을 불활성가스의 분위기 속에서 실시하는 것을 특징으로 하는 초전도가속관의 제조방법.The method of manufacturing a superconducting pipe according to claim 4, wherein the laser welding is performed in an inert gas atmosphere. 제4항에 있어서, 전기한 레이저용접을 진공 속에서 실시하는 것을 특징으로 하는 초전도가속관의 제조방법.The method of manufacturing a superconducting pipe according to claim 4, wherein the laser welding is performed in a vacuum. 제4항에 있어서, 전기한 구성부품(11)의 서로 맞대어진 접합부(B)를 복수개소 스포트용접하여 임시로 부착한 후, 전기한 접합부(B) 전체를 용접하는 것을 특징으로 하는 초전도가속관의 제조방법.5. The superconducting pipe according to claim 4, wherein a plurality of spot welding parts which are joined to each other of the above-described component parts 11 are temporarily attached by spot welding, and then the whole of the joining parts B is welded. Manufacturing method. 제4항에 있어서 전기한 초전도가속관을 용접할 때에, 전기한 접합부(B)의 외부를 지그(40)를 사용하여 고정시키는 것을 특징으로 하는 초전도가속관의 제조방법.The method of manufacturing a superconducting tube according to claim 4, wherein when welding the superconducting tube described above, the outside of the joined joint (B) is fixed using a jig (40). 제9항에 있어서, 전기한 레이저광은 스포트용접할 때의 강도를 최대출력의 1/2-1/3로 설정한 것을 특징으로 하는 초전도가속관의 제조방법.10. The method of manufacturing a superconducting pipe according to claim 9, wherein the intensity of the spot laser welding is set to 1 / 2-1 / 3 of the maximum output. 제9항에 있어서, 전기한 레이저광은 스포트용접할 때의 펄스폭을 전기한 접합부(B)의 둘레 전체를 용접할 때의 조사조건의 30%-80%의 펄스폭 펄스폭으로 설정한 것을 특징으로 하는 초전도가속관의 제조방법.The pulsed laser beam according to claim 9, wherein the pulse width at the time of spot welding is set to a pulse width pulse width of 30% to 80% of the irradiation conditions at the time of welding the entire circumference of the joined junction B. Superconducting pipe manufacturing method characterized in that. 제9항에 있어서, 전기한 접합부 전체를 용접할 때에, 용접하게 되는 영역을 2군데 이상의 복수개의 영역으로 구분하고, 각 영역의 용접과 용접 사이에 소정의 냉각시간을 갖도록 하는 것을 특징으로 하는 초전도가속관의 제조방법.10. The superconductor according to claim 9, wherein when welding the entire joined portion, the region to be welded is divided into two or more regions, and a predetermined cooling time is provided between welding and welding of each region. Method for manufacturing the accelerator tube. 제4항에 있어서, 전기한 레이저광이 YAG 레이저인 것을 특징으로 하는 초전도가속관의 제조방법.The method of manufacturing a superconducting acceleration tube according to claim 4, wherein the laser light transmitted is a YAG laser. 제4항에 있어서, 전기한 레이저광은 펄스발진시켜서 사용하는 것을 특징으로 하는 초전도가속관의 제조방법.The method of manufacturing a superconducting pipe according to claim 4, wherein the laser beam is used for pulse oscillation. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910018753A 1990-10-31 1991-10-24 Superconducting pipe and its manufacturing method KR920008810A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP90-293949 1990-10-31
JP29394990 1990-10-31
JP91-88355 1991-04-19
JP3088355A JPH04218300A (en) 1990-10-31 1991-04-19 Superconductive acceleration tube and manufacture thereof

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KR920008810A true KR920008810A (en) 1992-05-28

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Publication number Priority date Publication date Assignee Title
WO1995028012A1 (en) * 1992-12-17 1995-10-19 Nippon Steel Corporation Antenna having a waveguide structure and method of its manufacture
JP5409186B2 (en) * 2009-08-17 2014-02-05 三菱重工業株式会社 Manufacturing method of superconducting acceleration cavity
US9352416B2 (en) * 2009-11-03 2016-05-31 The Secretary, Department Of Atomic Energy, Govt. Of India Niobium based superconducting radio frequency(SCRF) cavities comprising niobium components joined by laser welding, method and apparatus for manufacturing such cavities

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