METHODS OF USING THIN METAL LAYERS TO MAKE CARBON NANOTUBE FILMS, LAYERS, FABRICS, RIBBONS, ELEMENTS AND ARTICLES
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Abstract
Methods of using thin metal layers to make Carbon Nanotube Films, Layers, Fabrics, Ribbons, Elements and Articles are disclosed. Carbon nanotube growth catalyst is applied on to a surface of a substrate, including one or more thin layers of metal. The substrate is subjected to a chemical vapor deposition of a carbon-containing gas to grow a non-woven fabric of carbon nanotubes. Portions of the non-woven fabric are selectively removed according to a defined pattern to create the article. A non-woven fabric of carbon nanotubes may be made by applying carbon nanotube growth catalyst on to a surface of a wafer substrate to create a dispersed monolayer of catalyst. The substrate is subjected to a chemical vapor deposition of a carbon-containing gas to grow a non-woven fabric of carbon nanotubes in contact and covering the surface of the wafer and in which the fabric is substantially uniform density.
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Citations
65 Claims
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1-31. -31. (canceled)
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32. A method of making an electrical trace, comprising:
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providing a wafer substrate; applying at least one thin metal film on a surface of the substrate; subjecting the substrate to a chemical vapor deposition of a carbon-containing gas to catalytically grow a non-woven fabric of carbon nanotubes of unconstrained orientation from the at least one thin metal film, wherein the fabric is substantially parallel to the surface of the wafer, wherein the fabric is of substantially uniform density and wherein the chemical vapor deposition has a run time of about 1-10 minutes; and providing first and second electrodes in contact with the non-woven fabric of carbon nanotubes, the non-woven fabric of carbon nanotubes forming an electrical trace between the first and second electrodes. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65)
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51. (canceled)
Specification