Patent application number | Description | Published |
20090272935 | Aligned Carbon Nanotube Bulk Aggregate, Process for Producing The Same and Uses Thereof - An aligned carbon nanotube bulk aggregate of the invention is characterized by consisting of plural carbon nanotubes aligned in a predetermined direction and having a density of 0.2 to 1.5 g/cm | 11-05-2009 |
20090297846 | Double-Walled Carbon Nanotube, Aligned Double-Walled Carbon Nanotube Bulk Structure and Process for Producing the Same - An aligned double-walled carbon nanotube bulk structure composed of plural aligned double-walled carbon nanotubes and having a height of 0.1 μm or more and a double-walled carbon nanotube are produced by chemically vapor depositing (CVD) a carbon nanotube in the presence of a metal catalyst with controlled particle size and thickness, preferably in the presence of moisture. According to this, it is possible to provide a double-walled nanotube which is free from inclusion of the catalyst, has high purity, is easy to control the alignment and growth, is able to achieve the fabrication through the formation of a bulk structure and has excellent electron emission characteristic (particularly, a double-walled carbon nanotube bulk structure) and also to provide a production technology thereof. | 12-03-2009 |
20100159222 | ALIGNED CARBON NANOTUBE BULK STRUCTURE HAVING PORTIONS DIFFERENT IN DENSITY - An aligned carbon nanotube bulk structure in which various properties such as density and hardness are controlled depending on the place is provided. | 06-24-2010 |
20100196249 | Aligned carbon nanotube bulk aggregate, process for producing the same and uses thereof - An aligned carbon nanotube bulk structure capable of attaining high density and high hardness not found so far. The aligned carbon nanotube bulk structure has a plurality of carbon nanotubes (CNTs) applied with a density-increasing treatment, and having alignment in a predetermined direction, the structure has a degree of anisotropy of 1:3 or more between the direction of alignment and the direction vertical to the direction of alignment, and the intensity by irradiating X-rays along the direction of alignment is higher than the intensity by irradiating X-rays from the direction vertical to the direction of alignment at a (002) peak in X-ray diffraction data, and the degree of alignment thereof satisfies predetermined conditions. | 08-05-2010 |
20110008617 | Aligned single-walled carbon nanotube aggregate, bulk aligned single-walled carbon nanotube aggregate, and powdered aligned single-walled carbon nanotube aggregate - This invention provides an aligned single-walled CNT aggregate comprising a substrate, fine particles of iron catalyst with a density of 1×10 | 01-13-2011 |
20110117365 | SINGLE-WALLED CARBON NANOTUBE AND ALIGNED SINGLE-WALLED CARBON NANOTUBE BULK STRUCTURE, AND THEIR PRODUCTION PROCESS, PRODUCTION APPARATUS AND APPLICATION USE - This invention provides an aligned single-layer carbon nanotube bulk structure, which comprises an assembly of a plurality of aligned single-layer carbon nanotube and has a height of not less than 10 μm, and an aligned single-layer carbon nanotube bulk structure which comprises an assembly of a plurality of aligned single-layer carbon nanotubes and has been patterned in a predetermined form. This structure is produced by chemical vapor deposition (CVD) of carbon nanotubes in the presence of a metal catalyst in a reaction atmosphere with an oxidizing agent, preferably water, added thereto. An aligned single-layer carbon nanotube bulk structure, which has realized high purify and significantly large scaled length or height, its production process and apparatus, and its applied products are provided. | 05-19-2011 |
20120122020 | SINGLE-WALLED CARBON NANOTUBE AND ALIGNED SINGLE-WALLED CARBON NANOTUBE BULK STRUCTURE, AND THEIR PRODUCTION PROCESS, PRODUCTION APPARATUS AND APPLICATION USE - This invention provides an aligned single-layer carbon nanotube bulk structure, which comprises an assembly of a plurality of aligned single-layer carbon nanotube and has a height of not less than 10 μm, and an aligned single-layer carbon nanotube bulk structure which comprises an assembly of a plurality of aligned single-layer carbon nanotubes and has been patterned in a predetermined form. This structure is produced by chemical vapor deposition (CVD) of carbon nanotubes in the presence of a metal catalyst in a reaction atmosphere with an oxidizing agent, preferably water, added thereto. An aligned single-layer carbon nanotube bulk structure, which has realized high purify and significantly large scaled length or height, its production process and apparatus, and its applied products are provided. | 05-17-2012 |
20120199553 | CARBON FILM | 08-09-2012 |