JP2005100757A5 - - Google Patents

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JP2005100757A5
JP2005100757A5 JP2003331758A JP2003331758A JP2005100757A5 JP 2005100757 A5 JP2005100757 A5 JP 2005100757A5 JP 2003331758 A JP2003331758 A JP 2003331758A JP 2003331758 A JP2003331758 A JP 2003331758A JP 2005100757 A5 JP2005100757 A5 JP 2005100757A5
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Japan
Prior art keywords
aggregate
carbon nanotubes
nanotubes
carbon
stretching
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JP2003331758A
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Japanese (ja)
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JP2005100757A (en
JP4599046B2 (en
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Priority to JP2003331758A priority Critical patent/JP4599046B2/en
Priority claimed from JP2003331758A external-priority patent/JP4599046B2/en
Publication of JP2005100757A publication Critical patent/JP2005100757A/en
Publication of JP2005100757A5 publication Critical patent/JP2005100757A5/ja
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Publication of JP4599046B2 publication Critical patent/JP4599046B2/en
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Expired - Fee Related legal-status Critical Current

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Claims (8)

以下の工程：
気相からカーボンを堆積させて、複数のカーボンナノチューブがネット状に集合してなるナノチューブ集合物を形成する工程；
前記ナノチューブ集合物を延伸する工程；および、
前記ナノチューブ集合物を重ね合わせる工程；
を含み、ここで、前記延伸工程は前記重ね合わせ工程を挟んで複数回行われ、それら複数回の延伸工程における延伸方向をほぼ同一方向とする、カーボンナノチューブを主構成要素とするフィラメントの製造方法。 The following steps:
Depositing carbon from the gas phase to form an aggregate of nanotubes in which a plurality of carbon nanotubes are aggregated in a net shape;
Stretching the nanotube aggregate; and
Superimposing the nanotube aggregates;
Wherein the stretching step is performed a plurality of times with the overlapping step interposed therebetween, and the stretching direction in the plurality of stretching steps is substantially the same direction, and the method for producing a filament using carbon nanotubes as a main component . 前記重ね合わせ工程では、前記ナノチューブ集合物を構成するカーボンナノチューブの配向に沿って前記ナノチューブ集合物を重ね合わせる、請求項１に記載の方法。   The method according to claim 1, wherein in the superimposing step, the nanotube aggregates are superimposed along the orientation of carbon nanotubes constituting the nanotube aggregates. 前記ナノチューブ集合物を構成するカーボンナノチューブは主として単層カーボンナノチューブである、請求項１または２に記載の方法。   The method according to claim 1 or 2, wherein the carbon nanotubes constituting the nanotube aggregate are mainly single-walled carbon nanotubes. カーボンナノチューブの純度７０at.％以上の集合物に対して前記延伸工程および前記重ね合わせ工程を行う、請求項１から３のいずれか一項に記載の方法。   The method according to any one of claims 1 to 3, wherein the stretching step and the overlapping step are performed on an aggregate of carbon nanotubes having a purity of 70 at.% Or more. 前記ナノチューブ集合物を形成する工程では、グラファイトに金属触媒を混合したアノードとカソードとの間にアーク放電を発生させて少なくともアノードからカーボンを蒸発させ、そのカーボンを堆積させて前記ナノチューブ集合物を形成する、請求項１から４のいずれか一項に記載の方法。   In the step of forming the aggregate of nanotubes, an arc discharge is generated between an anode and a cathode in which a metal catalyst is mixed with graphite to evaporate at least carbon from the anode, and the carbon is deposited to form the aggregate of nanotubes. The method according to any one of claims 1 to 4, wherein: 長さ１０mm以上、幅２mm以上、厚さ０．００５mm以上、密度０．３g/cm3以上のフィラメントを形成する、請求項１から５のいずれか一項に記載の方法。 The method according to any one of claims 1 to 5, wherein a filament having a length of 10 mm or more, a width of 2 mm or more, a thickness of 0.005 mm or more and a density of 0.3 g / cm 3 or more is formed. 請求項１から６のいずれか一項に記載の方法により製造されたフィラメントを備える真空管。 A vacuum tube provided with the filament manufactured by the method as described in any one of Claim 1 to 6. 請求項１から６のいずれか一項に記載の方法により製造されたフィラメントを備える電球。
 A light bulb comprising a filament manufactured by the method according to any one of claims 1 to 6 .
JP2003331758A 2003-09-24 2003-09-24 Carbon nanotube filament and use thereof Expired - Fee Related JP4599046B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003331758A JP4599046B2 (en) 2003-09-24 2003-09-24 Carbon nanotube filament and use thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003331758A JP4599046B2 (en) 2003-09-24 2003-09-24 Carbon nanotube filament and use thereof

Related Child Applications (1)

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JP2006300420A Division JP4613327B2 (en) 2006-11-06 2006-11-06 Carbon nanotube filament and use thereof

Publications (3)

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JP2005100757A JP2005100757A (en) 2005-04-14
JP2005100757A5 true JP2005100757A5 (en) 2006-12-21
JP4599046B2 JP4599046B2 (en) 2010-12-15

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JP2003331758A Expired - Fee Related JP4599046B2 (en) 2003-09-24 2003-09-24 Carbon nanotube filament and use thereof

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Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7375458B2 (en) * 2004-07-28 2008-05-20 Hewlett-Packard Development Company, L.P. Continuous carbon-nanotube filaments for radiation-emitting devices and related methods
WO2007063579A1 (en) 2005-11-29 2007-06-07 Meijo University Method for production of carbon nanotube and method for purification of the same
JP4817296B2 (en) * 2006-01-06 2011-11-16 独立行政法人産業技術総合研究所 Aligned carbon nanotube bulk aggregate and method for producing the same
JP4701431B2 (en) * 2006-01-06 2011-06-15 独立行政法人産業技術総合研究所 Aligned carbon nanotube bulk structure having different density portions, and production method and use thereof
WO2008102813A1 (en) * 2007-02-20 2008-08-28 National Institute Of Advanced Industrial Science And Technology Beam-like material comprising carbon nanotube, and method for production thereof
CN101314464B (en) * 2007-06-01 2012-03-14 北京富纳特创新科技有限公司 Process for producing carbon nano-tube film
CN101409962B (en) * 2007-10-10 2010-11-10 清华大学 Surface heat light source and preparation method thereof
CN101409961B (en) * 2007-10-10 2010-06-16 清华大学 Surface heat light source, preparation method thereof and method for heating object using the same
CN101400198B (en) 2007-09-28 2010-09-29 北京富纳特创新科技有限公司 Surface heating light source, preparation thereof and method for heat object application
CN101471213B (en) 2007-12-29 2011-11-09 清华大学 Thermal emission electronic component and method for producing the same
CN101471215B (en) 2007-12-29 2011-11-09 清华大学 Production method of thermoelectron source
CN101483123B (en) * 2008-01-11 2010-06-02 清华大学 Production method for field emission electronic device
WO2009107846A1 (en) * 2008-02-29 2009-09-03 独立行政法人産業技術総合研究所 Carbon nanotube film structure and method for manufacturing the same
CN114436247B (en) * 2022-01-24 2023-06-23 中国科学院苏州纳米技术与纳米仿生研究所 Method for enhancing macroscopic body electrical property of carbon nano tube

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10312778A (en) * 1997-05-14 1998-11-24 Matsushita Electric Ind Co Ltd Heat radiating body made of carbon material, its manufacture, and heat radiating light source with heat radiating body
JP3494583B2 (en) * 1999-01-13 2004-02-09 松下電器産業株式会社 Method for manufacturing electron-emitting device
JP2002249306A (en) * 2001-02-19 2002-09-06 Sony Corp Method and apparatus for manufacturing carbon nanotube
JP2003115255A (en) * 2001-10-04 2003-04-18 Kazuyuki Taji Field electron emitting electrode and its manufacturing method

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