Nanotechnology is being embedded in multiple industries. This report presents a brief history of nanotechnology and the scientific breakthroughs in the area, followed by the use of carbon nanotubes in various industries.
The report also provides a detailed carbon nanotube taxonomy, and the in-depth categorization of patents in this domain. Other topics covered include key universities, companies and market players in the area of carbon nanotubes.
Nanotechnology refers broadly to a field of applied science and technology whose unifying theme is the control of matter on the atomic and molecular scale, normally 1 to 100 nanometers, and the fabrication of devices with critical dimensions that lie within that size range.
It has or will have applications in almost all areas we can think of.
Environment and Energy | Medical and Health | Electronics and Computers | Space, Aircraft and Transportation | Materials and Manufacturing |
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Carbon Nanotubes (CNT's) are cylindrical shaped allotrope of carbon with length to diameter ratio exceeding 1,000,000.
Such cylindrical carbon molecules have novel properties that make them potentially useful in many applications in nanotechnology, electronics, optics and other fields of materials science. They exhibit extraordinary strength and unique electrical properties, and are efficient conductors of heat.
Material | Young?s modulus (GPa) | Tensile Strength (GPa) | Density (g/cm3) |
Single wall nanotube | 1054 | 150 | N/A |
Multi wall nanotube | 1200 | 150 | 2.6 |
Steel | 208 | 0.4 | 7.8 |
Epoxy | 3.5 | 0.005 | 1.25 |
Wood | 16 | 0.008 | 0.6 |
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S. no. | IPC Classification | Description |
1 | H01J | ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS |
2 | C01B | NON-METALLIC ELEMENTS AND THEIR COMPOUNDS |
3 | H01L | SEMICONDUCTOR DEVICES AND ELECTRIC SOLID STATE DEVICES |
4 | B82B | NANOTECHNOLOGY |
5 | H01M | BATTERIES OR FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
6 | B01J | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY AND THEIR RELEVANT APPARATUS |
7 | D01F | CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS AND APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS |
8 | G01N | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES |
9 | B32B | LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM |
10 | C08K | USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
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Sample analysis on carbon nanotubes
S.no | Patent/Publication No. | Assignee / Applicant | Title | Description of the device | Use of CNT in it | Technology Area |
1 | US7336028B2 | Samsung SDI Co., Ltd. | Electron emission device having multi-layered gate electrode structure | A multilayered electron emission device is described with a predetermined gap between the electrodes. | Electron emission sources can be made up of CNTs. | Electron emission device |
2 | US7315129B2 | Semiconductor Energy Laboratory Co., Ltd. | Plasma producing apparatus and doping apparatus | A plasma chamber anad plasma appratus is described with two electrodes and sustrate and CNTs. | CNTs are on the surface of the cathode electrode. | Plasma Appratus |
3 | US7307432B2 | Yokogawa Electric Corporation | Electron beam generating apparatus and optical sampling apparatus using the same | Optical sampling appratus with electrodes with deflection electrode and charge detection section. | Cathode is comprising of carbon nanotubes. | Optical sampling appratus. |
4 | US7306503B2 | Canon Kabushiki Kaisha | Method and apparatus of fixing carbon fibers on a substrate using an aerosol deposition process | Appratus for manufacturing substate with carbon nanotubes in it. | Arc dischage method is involved for producing CNTs and hence forming it on substrate. | Manufacturing and Processing of CNT?s |
5 | US7259510B1 | Agere Systems Inc. | On-chip vacuum tube device and process for making device | Microwave vacuum tube is described with electrodes and CNTs. | Cathode is comprising of carbon nanotubes. | Electron emission device |
6 | US7232987B2 | None | Instrument and method to measure available light energy for photosynthesis | A device to calculate and filter amout of light required and available for photosynthesis of plants. | Photovoltaic material is made up of carbon nanotubes. | Optical Instrument |
7 | US7161148B1 | Crystals and Technologies, Ltd. | Tip structures, devices on their basis, and methods for their preparation | A tip structure for an electron emissive device or a scanning probe device is described. | At least one link of the tip structure is made up of Carbon naotubes. | Electron emission device |
8 | US7175494B1 | cDream Corporation | Forming carbon nanotubes at lower temperatures suitable for an electron-emitting device | An electron emission device is described comprising of carbon nanotubes. | Carbon nanotubes are manufactured at 300° C. to 500° C which makes them compatible with the thermal stress of the underlying substrate. | Electron emission device |
9 | US7161286B2 | Tsinghua University | Hon Hai Precision Ind. Co., Ltd. | Carbon nanotube array and method for making same | A carbon nanotube-based device is described which includes a substrate and number of catalytic nano-sized particles. | Carbon nanotubes are manufactured on the substrate. | Manufacturing and Processing of CNT?s |
10 | US7145528B2 | Canon Kabushiki Kaisha | Display device and driving and controlling method therefor | A display device with display panel is described and use of electron emitters. | Cathode is comprising of carbon nanotubes. | Electron emission device |
11 | US7115863B1 | Hitachi, Ltd. | Probe for scanning probe lithography and making method thereof | A probe of scanning probe lithography is described | Shaft of the probe is made up of Carbon nanaotubes. | Manufacturing and Processing of CNT?s |
Sample Analysis on use of Carbon nanotubes in discharge tubes and discharge lamps
Top Companies | Number of patents filed |
Hon Hai Prec Ind Co | 118 |
Samsung Electronics | 77 |
Samsung SDI Co. Ltd. | 71 |
Sony Corp. | 70 |
Toray Industry | 69 |
Fujitsu Ltd. | 68 |
Nippon Electric Co. | 64 |
Ind Tech Res Inst | 62 |
Nat Inst for Materia | 59 |
Others | 58 |
Strength | Weakness |
In nanomaterials research and development | Critical issues(ecological meltdown,poverty and disease) |
In biomimetics research | Lack of planet friendly scorecard for research |
In nanoelectronics and IT research including quantum computing | No clear technology transfer routes to the less developed world. |
In nanophotovoltaic research | Fragmented research infrastructure |
In nanosensors research and development | Nationally variable industry pull through |
In strong industrial base in instrumentation | Variable incentives/cultures for supporting start-ups |
In nanomedicine | Funding slow and bureaucratic |
In cultural differences resulting in imaginative approaches to results | No wide support for individual genius |
In the ability to work in teams | Academic research often lags industry |
Acceleration of new company formation underway | Funding may be duplicated |
Openness in developing and adopting environmentally friendly techniques | Lack of fiscal incentives for environmentally friendly techniques;also lack of legal incentives |
Openness to developing technologies for the less developed regions | Critically slow emergence of technology from the research base |
Lack of skilled staff | |
Opportunities | Threats |
The exploitation of planet and people friendly research | Brain drain in life sciences,electronics,software and engineering |
Development of widely available technologies(sensors,renewable energy,medicine etc.) | Public backlash to nanotechnology |
Creation of new technologies(medical and non-medical) | Too little,too late, of the technologies that matter |
Reduction animal experimentation through cell-base toxicity testing | |
Critical niche opportunities in areas such as lab-on-a-chip and sensor technology |
S.no. | Conference | Location | Date | |
1 | Nanotech 2008 - 11th Annual NSTI Nanotechnology Conference and Trade Show | Boston,USA | 1-5June, 2008 | bfr@nsti.org |
2 | NanoEurope 2008 | St.Gallen, Switzerland | 16-17 Sep, 2008 | joerg.guettinger@ncb.ch |
3 | Nanotech Northern Europe 2008 | Copenhagen,Denmark | 23-25 Sep, 2008 | katriina.forsstrom@spinverse.com |
http://www.allconferences.com/Science/Nanotechnology/
This is only a sample report with brief analysis
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Samir Raiyani |
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