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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0128118 (2002-04-23) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 286 인용 특허 : 203 |
Nanotube films and articles and methods of making the same are disclosed. A conductive article includes an aggregate of nanotube segments in which the nanotube segments contact other nanotube segments to define a plurality of conductive pathways along the article. The nanotube segments may be single
Nanotube films and articles and methods of making the same are disclosed. A conductive article includes an aggregate of nanotube segments in which the nanotube segments contact other nanotube segments to define a plurality of conductive pathways along the article. The nanotube segments may be single walled carbon nanotubes, or multi-walled carbon nanotubes. The various segments may have different lengths and may include segments having a length shorter than the length of the article. The articles so formed may be disposed on substrates, and may form an electrical network of nanotubes within the article itself. Conductive articles may be made on a substrate by forming a nanotube fabric on the substrate, and defining a pattern within the fabric in which the pattern corresponds to the conductive article. The nanotube fabric may be formed by growing the nanotube fabric on the substrate using a catalyst, for example, in which the catalyst is a gas phase catalyst, or in which the catalyst is a metallic gas phase catalyst. The nanotube fabric may be formed by depositing a solution of suspended nanotubes on the substrate. The deposited solution may be spun to create a spin-coating of the solution. The solution may be deposited by dipping the substrate into the solution. The nanotube fabric is formed by spraying an aerosol having nanotubes onto a surface of the substrate.
1. A conductive article comprising a non-woven aggregate of nanotube segments wherein nanotube segments contact other nanotube segments to define a plurality of conductive pathways along the article. 2. The article of claim 1 wherein the nanotube segments include single walled carbon nanotubes. 3. T
1. A conductive article comprising a non-woven aggregate of nanotube segments wherein nanotube segments contact other nanotube segments to define a plurality of conductive pathways along the article. 2. The article of claim 1 wherein the nanotube segments include single walled carbon nanotubes. 3. The article of claim 1 wherein the nanotube segments include multi-walled carbon nanotubes. 4. The article of claim 1 wherein the nanotube segments have different lengths. 5. The article of claim 1 wherein the nanotube segments include segments having a length shorter than the length of the article. 6. A conductive trace comprising a non-woven aggregate of nanotubes to form an electrical network of nanotubes in contact with other nanotubes to define a plurality of conductive pathways along the trace. 7. The conductive trace of claim 6 wherein the nanotubes include single walled carbon nanotubes. 8. The conductive trace of claim 6 wherein the nanotubes include multi-walled carbon nanotubes. 9. The conductive trace of claim 6 wherein the nanotubes have different lengths. 10. The conductive trace of claim 6 wherein the nanotubes include segments having a length shorter than the length of the trace. 11. A conductive element having a predefined shape and including a non-woven aggregate of nanotubes in electrical contact, wherein the predefined shape has a predefined orientation and wherein the nanotubes are not individually constrained to said orientation.
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