Patent application number | Description | Published |
20080206448 | Low Work Function Material - The present invention is directed toward methods for incorporating low work function metals and salts of such metals into carbon nanotubes for use as field emitting materials. The present invention is also directed toward field emission devices, and associated components, comprising treated carbon nanotubes that have, incorporated into them, low work function metals and/or metal salts, and methods for making same. The treatments of the carbon nanotubes with the low work function metals and/or metal salts serve to improve their field emission properties relative to untreated carbon nanotubes when employed as a cathode material in field emission devices. | 08-28-2008 |
20080206559 | LUBRICANT ENHANCED NANOCOMPOSITES - Strings configured for use in sports racquets and musical instruments are fabricated as a plastic core wrapped with one or more filaments of plastic. The strings are coated with a material composite that includes rigid nanoparticles, and lubricated nylon. The rigid nanoparticles may include clay or carbon nanotubes. The strings are coated with the material composite using various processes that result in a coating thickness of between 0.1 and 200 μm. The material composite may further include impact modifiers. The strings experience extended life due to reduced frictional wear and improved mechanical properties. | 08-28-2008 |
20080210742 | METAL ENCAPSULATION - A process for encapsulating metal microparticles in a pH sensitive polymer matrix using a suspension containing the polymer. The process first disperses the metal particles in a polymeric solution consisting of a pH sensitive polymer. The particles are then encapsulated in the form of micro-spheres of about 5-10 microns in diameter comprising the pH sensitive polymer and the metal ions (Ni | 09-04-2008 |
20080217302 | Nanospot Welder and Method - A method and apparatus for assembly of small structures is disclosed. The present invention discloses electron beams created from one or more nanotips in an array operated in a field emission mode that can be controlled to apply heat to very well defined spots. The multiple electron beams may be generated and deflected and applied to electron beam heating and welding applications. | 09-11-2008 |
20080286488 | METALLIC INK - Forming a conductive film comprising depositing a non-conductive film on a surface of a substrate, wherein the film contains a plurality of copper nanoparticles and exposing at least a portion of the film to light to make the exposed portion conductive. Exposing of the film to light photosinters or fuses the copper nanoparticles. | 11-20-2008 |
20080300357 | Carbon Nanotube-Reinforced Nanocomposites - A combination of MWNTs (herein, MWNTs have more than 2 walls) and DWNTs significantly improves the mechanical properties of polymer nanocomposites. A small amount of DWNTs reinforcement (<1 wt. %) significantly improves the flexural strength of epoxy matrix nanocomposites. A same or similar amount of MWNTs reinforcement significantly improves the flexural modulus (stiffness) of epoxy matrix nanocomposites. Both flexural strength and flexural modulus of the MWNTs and DWNTs-coreinforced epoxy nanocomposites are further improved compared with same amount of either DWNTs or MWNTs-reinforced epoxy nanocomposites. In this epoxy/DWNTs/MWNTs nanocomposite system, SWNTs may also work instead of DWNTs. Besides epoxy, other thermoset polymers may also work. | 12-04-2008 |
20090035570 | CARBON NANOTUBE-REINFORCED NANOCOMPOSITES - Carbon nanotubes (CNTs) are so long that they cannot be penetrated inbetween carbon fibers during a prepreg preparation process, and are shortened in order for them not to be filtered out by the carbon fibers. This results in a huge improvement of the mechanical properties (flexural strength and flexural modulus) compared with neat epoxy. | 02-05-2009 |
20090095704 | PATTERNING CNT EMITTERS - An industrial scale method for patterning nanoparticle emitters for use as cathodes in a display device is disclosed. The low temperature method can be practiced in high volume applications, with good uniformity of the resulting display device. The method steps involve deposition of CNT emitter material over an entire surface of a prefabricated composite structure, and subsequent removal of the CNT emitter material from unwanted portions of the surface using physical methods. | 04-16-2009 |
20090133474 | METHOD AND APPARATUS FOR SENSING HYDROGEN GAS - A hydrogen sensor and/or switch fabricated from an array of nanowires or a nanoparticle thick film composed of metal or metal alloys. The sensor and/or switch demonstrates a wide operating temperature range and shortened response time due to fabrication materials and methods. The nanowires or nanoparticle thick films demonstrate an increase in conductivity in the presence of hydrogen. | 05-28-2009 |
20090274833 | METALLIC INK - A metallic ink including a vehicle, a multiplicity of copper nanoparticles, and an alcohol. The conductive metallic ink may be deposited on a substrate by methods including inkjet printing and draw-down printing. The ink may be pre-cured and cured to form a conductor on the substrate. | 11-05-2009 |
20090286383 | TREATMENT OF WHISKERS - A photo-curing or photosintering process is utilized to modify, reduce or eliminate whiskers or nanowires growing on a material surface. | 11-19-2009 |
20090311440 | PHOTO-CURING PROCESS FOR METALLIC INKS - A solution of metal ink is mixed and then printed or dispensed onto the substrate using the dispenser. The film then is dried to eliminate water or solvents. In some cases, a thermal curing step can be introduced subsequent to dispensing the film and prior to the photo-curing step. The substrate and deposited film can be cured using an oven or by placing the substrate on the surface of a heater, such as a hot plate. Following the drying and/or thermal curing step, a laser beam or focused light from the light source is directed onto the surface of the film in a process known as direct writing. The light serves to photo-cure the film such that it has low resistivity. | 12-17-2009 |
20100000762 | METALLIC PASTES AND INKS - A metallic composition including a solvent and a plurality of metal nanoparticles dispersed therein is formulated such that curing of the metallic composition on a substrate provides a metallic conductor with a resistivity of about 5×10 | 01-07-2010 |
20100022009 | REMOTE IDENTIFICATION OF EXPLOSIVES AND OTHER HARMFUL MATERIALS - Embodiments of the present invention are generally directed to the remote detection of explosives and other harmful materials. In some such embodiments, such remote detection involves the use of semiconducting nanoparticles. In some or other such embodiments, such remote detection involves the use of photoacoustic detection and/or spectroscopy. In some such latter embodiments, the photoacoustic system comprises a light source | 01-28-2010 |
20100109510 | FUNCTIONALIZED CARBON NANOTUBES - Carbon nanotubes are grown on a first substrate. The CNTs grown on the first substrate are immersed in a biological solution at a predetermined depth to functionalize ends of the CNTs with a biological molecule. The functionalized CNTs are harvested from the first substrate. A second substrate is functionalized with a complementary biological modification, which is a complementary binding partner to the biological molecule functionalized to the ends of the CNTs. The functionalized CNTs are attached to the second substrate by way of the complementary binding partner. | 05-06-2010 |
20100285212 | COMPOSITES - Improved mechanical properties of either clay or carbon nanotube (CNT)-reinforced polymer matrix nanocomposites are obtained by pre-treating nanoparticles and polymer pellets prior to a melt compounding process. The clay or CNTs are coated onto the surfaces of the polymer pellets by a milling process. The introduction of moisture into the mixture of the nanoparticles and the polymer pellets results in the nanoparticles more easily, firmly, and thoroughly coating onto the surfaces of the polymer pellets. | 11-11-2010 |
20100310447 | CARBON-CONTAINING MATRIX WITH FUNCTIONALIZED PORES - A composition of matter comprises a carbon-containing matrix. The carbon-containing matrix may comprise one or more carbon materials selected from the group comprising graphite crystalline carbon materials, carbon powder, carbon fibers, artificial graphite powder, and combinations thereof. In addition, the carbon-containing matrix comprises a plurality of pores. The composition of matter also comprises a reactive additive that is not a metal pressure disposed within at least a portion of the plurality of pores. | 12-09-2010 |
20110027603 | Enhancing Thermal Properties of Carbon Aluminum Composites - An article of manufacture comprises a carbon-containing matrix. The carbon-containing matrix may comprise at least one type of carbon material selected from the group comprising graphite crystalline carbon materials, carbon powder, and artificial graphite powder. In addition, the carbon-containing matrix comprises a plurality of pores. The article of manufacture also comprises a metal component comprising Al, alloys of Al, or combinations thereof. The metal component is disposed in at least a portion of the plurality of pores. Further, the article of manufacture comprises an additive comprising at least Si. At least a portion of the additive is disposed in an interface between the metal component within the pores and the carbon-containing matrix. The additive enhances phonon coupling and propagation at the interface. | 02-03-2011 |
20110043965 | Applying Optical Energy to Nanoparticles to Produce a Specified Nanostructure - The instant article of manufacture is made by applying optical energy to one or more layers of nanoparticulate materials under predetermined conditions to produce a nanostructure. The nanostructure has layers of optically fused nanoparticles including a predetermined pore density, a predetermined pore size, or both. The predetermined conditions for applying the optical energy may include a predetermined voltage, a predetermined duration, a predetermined power density, or combinations thereof. | 02-24-2011 |
20110147647 | CARBON-CONTAINING MATRIX WITH ADDITIVE THAT IS NOT A METAL - An article of manufacture comprises a carbon-containing matrix. The carbon-containing matrix may comprise at least one type of carbon material selected from the group comprising graphite crystalline carbon materials, carbon powder, carbon fibers, artificial graphite powder, or combinations thereof. In addition, the carbon-containing matrix comprises a plurality of pores. The article of manufacture also comprises an additive that is not a metal pressure disposed within at least a portion of the plurality of pores. | 06-23-2011 |
20110160346 | DISPERSION OF CARBON NANOTUBES BY MICROFLUIDIC PROCESS - Improved mechanical properties of carbon nanotube (CNT)-reinforced polymer matrix nanocomposites are obtained by functionalizing the CNTs with a compound that bonds well to an epoxy matrix before dispersing the solution using a microfluidic process. Well-dispersed particles are obtained that sufficiently improve mechanical properties of the nanocomposites, such as flexural strength and modulus. The resulting composite material is used for coatings on marine vessels. | 06-30-2011 |
20110286876 | THERMAL MANAGEMENT COMPOSITE MATERIALS - Graphite aluminum composites for use in thermal management applications, such as heat sinks, are manufactured using pressure molds. The materials may be mixed previous to insertion into the mold, or can be mixed within the mold. Further, graphitic particles, such as graphitic needle coke surfaces, can be coated with the aluminum before the mold process is performed. Further, ceramic sheets can be inserted into the mixture before the mold process is performed so that the molded material can then be sliced to provide a carbon aluminum composite plate with a ceramic sheet on one of its surfaces. | 11-24-2011 |
20110300305 | MECHANICAL SINTERING OF NANOPARTICLE INKS AND POWDERS - Nanoparticle inks and powders are sintered using an applied mechanical energy, such as uniaxial pressure, hydrostatic pressure, and ultrasonic energy, which may also include applying a sheer force to the inks or powders in order to make the resultant film or line conductive. | 12-08-2011 |
20120147448 | ELECTROCHROMIC DEVICE - A method for manufacturing an electrochromic window positions a pattern of conductive lines over a first transparent substrate, a transparent conductive film over the pattern of conductive lines and first transparent substrate, and an electrochromic layer over the transparent conductive film, wherein the transparent conductive layer is a physical barrier separating the electrochromic layer from the pattern of conductive lines. The first transparent substrate may be flexible. The pattern of conductive lines and transparent conductive film may be deposited and processed at a temperature less than 180 degrees C. The pattern of conductive lines may be deposited on the first transparent substrate by printing techniques. | 06-14-2012 |
20120220695 | Carbon Nanotube Reinforced Nanocomposites - A combination of multi-walled carbon nanotubes and single-walled carbon nanotubes and/or double-walled carbon nanotubes significantly improves the mechanical properties of polymer nanocomposites. Both flexural strength and flexural modulus of the MWNTs and single-walled carbon nanotubes and/or double-walled carbon nanotubes co-reinforced epoxy nanocomposites are further improved compared with same amount of either single-walled carbon nanotubes and/or double-walled carbon nanotubes or multi-walled carbon nanotubes reinforced epoxy nanocomposites. Besides epoxy, other thermoset polymers may also work. | 08-30-2012 |
20120237767 | COMPOSITE COATING FOR STRINGS - A buffer layer is used to coat on the multi-filament wrapped string to fill the gaps. The polymers of the buffer-layer coating have a high melt-flow (low viscosity) during coating process to fill all the gaps between the filaments, and the filaments are fixed by the coatings onto base core materials. An outer protective coating is applied, which may comprise a composite nylon, clay nanoparticles, carbon nanotubes, an impact modifier, or any combination of the foregoing. | 09-20-2012 |
20120266653 | ANALYSIS OF GASES - Systems and techniques for the analysis of gases for medical purposes are described. In one aspect, a system includes a sample collector to collect a physical sample associated with an individual and present a gas sample for analysis, a gas analysis device to analyze the gas sample presented by the sample collector to determine a concentration of one or more non-aqueous gases in the gas sample, a data storage device that includes information reflecting a correlation between concentration of the one or more non-aqueous gases in the gas sample and a disease state, and a data analysis device to determine a medical condition of the individual based on the concentration of one or more non-aqueous gases in the gas sample and the information. | 10-25-2012 |
20120289112 | CARBON NANOTUBE REINFORCED ADHESIVE - Improved mechanical properties of carbon nanotube (CNT)-reinforced polymer adhesive matrix nanocomposites are obtained by functionalizing the CNTs with a compound that bonds well to an epoxy matrix. The particles sufficiently improve mechanical properties of the nanocomposites, such as flexural strength and modulus. | 11-15-2012 |
20130037311 | FUNCTIONALIZATION OF THERMAL MANAGEMENT MATERIALS - A base material or composite material such as graphite, may be combined with another material, such as aluminum oxide or polyimide, to produce a new insulating thermal management material. The base material may be impregnated with another metal to create a composite base material. | 02-14-2013 |
20130059947 | CARBON NANOTUBE-REINFORCED NANOCOMPOSITES - Carbon nanotubes (CNTs) are so long that they cannot be penetrated inbetween carbon fibers during a prepreg preparation process, and are shortened in order for them not to be filtered out by the carbon fibers. This results in a huge improvement of the mechanical properties (flexural strength and flexural modulus) compared with neat epoxy. | 03-07-2013 |
20130066349 | STIMULATED VOC CHARACTERIZATION - An electronic odor sensor is used in conjunction with a surgical tool, for example when wounds are cleansed to remove dead tissue and exudates, known clinically as debridement. The surgical tool will atomize substrate tissues and thereby mechanically generate vapors that can be sensed. Abrasion will likewise atomize substrate tissues liberating odors. Air near the surgical tool is collected and fed into the electronic odor sensor. The odor is analyzed by the sensor and a signal fed back based on the analysis. | 03-14-2013 |
20130129935 | Highly Transparent and Electrically Conductive Substrate - A highly transparent and electrically conductive substrate is made by applying a conductive mesh over a transparent substrate, depositing a UV-curable transparent material over the conductive mesh and the transparent substrate, and exposing the UV-curable transparent material to a directional UV light from a UV light source positioned so that the UV light emitted from the UV light source travels through the transparent substrate before being received by the UV-curable transparent material, wherein the UV-curable transparent material is cured in response to exposure from the UV light except for those portions of the UV-curable transparent material masked from exposure to the UV light by the conductive mesh. Uncured portions of the UV-curable transparent material are removed, and a transparent conductive material layer is deposited over the cured UV-curable transparent material and conductive mesh. | 05-23-2013 |
20130313963 | CARBON NANOTUBE FIELD EMISSION DEVICE WITH HEIGHT VARIATION CONTROL - A carbon nanotube layer for a field emission cathode where individual carbon nanotubes or small groups of carbon nanotubes that stick out from the surface more than the rest of the layer are avoided. Electron fields will concentrate on these sharp points, creating an enhanced image on the phosphor, resulting in a more luminous spot than the surroundings. Activation processes further free such carbon nanotubes or groups of carbon nanotubes sticking out from the surface, exasperating the problem. | 11-28-2013 |
20140057428 | BUFFER LAYER FOR SINTERING - A layer of material having a low thermal conductivity is coated over a substrate. A film of conductive ink is then coated over the layer of material having the low thermal conductivity, and then sintered. The film of conductive ink does not absorb as much energy from the sintering as the film of conductive ink coated over the layer of material having the low thermal conductivity. The layer of material having the low thermal conductivity maybe a polymer, such as polyimide. | 02-27-2014 |
20140216942 | Carbon-Metal Thermal Management Substrates - A method of manufacturing a thermal management hybrid article includes electroplating a copper layer on a graphitic layer, adhering the copper-plated graphitic layer to a plate of aluminum with a nano-copper paste to form a substrate, heating the substrate in a forming gas at a temperature less than 500° C. to melt to recrystallize the nano-copper paste, and cooling the substrate after the heating. A method of manufacturing a thermal management hybrid article includes electroplating a copper layer on a graphitic layer, electroplating copper on a plate of aluminum, and soldering the copper-plated layer on the graphitic layer to the copper-plated plate of aluminum. A method of manufacturing a thermal management hybrid article also includes electroplating a copper layer on a graphitic layer and immersing the copper-plated graphitic layer in molten aluminum to cast the an aluminum layer on the copper layer. | 08-07-2014 |
20140242747 | Thin Film Deposition of Materials by External Induced Release from a Ribbon Tape - A process where a printed ink is placed onto a sacrificial ribbon. The ink is then converted to a metal film and transferred to a substrate, such as a silicon solar cell at very low temperatures. Further low-temperature processing may be utilized to form an ohmic contact. This process provides the speed and low-cost structure of ink and paste based processing with the diffusion control of vacuum deposited films. | 08-28-2014 |
20140367622 | DISPLAY MEDIUM AND COLOR REFLECTIVE INKS - Reflective color inks are used, such as for signage applications and as an electronic display medium and material. The reflective color inks comprise a core-shell particle that includes a core particle coated with a molecular surface coating. One example of such a particle is using a core of a polystyrene type of material that has a relatively low refractive index, with a high reflective index acrylic copolymer added as the shell material. | 12-18-2014 |
20150040388 | Application of Dielectric Layer and Circuit Traces on Heat Sink - A dielectric layer is directly applied onto the surface of a heat sink part. For example, the composition for making the dielectric layer may be made into a paste or ink and then printed as a paste or ink, or applied with some other equivalent method, such as a lamination technique. The electrical circuit traces are then printed in a similar fashion onto the dielectric layer in the required pattern for whatever circuitry is to be applied. That circuitry (e.g., circuit elements) is then attached to the electrical traces as needed for the particular application. | 02-12-2015 |
20150045478 | Polymer Composites with Silicon Dioxide Particles - Silicon dioxide particles can reinforce the mechanical properties of an epoxy matrix. Combining carbon nanotubes with the icon dioxide particles to co-reinforce the epoxy matrix achieves increases in compression strength, flexural strength, compression modulus, and flexural modulus. Such composites have increased mechanical properties over that of neat epoxy. | 02-12-2015 |
20150047882 | Graphitic Substrates with Ceramic Dielectric Layers - Different kinds of printing pastes or inks are utilized in various combinations to develop multiple ceramic dielectric layers on graphitic substrates in order to create effective dielectric ceramic layers that combine good adhesion to both graphitic substrates and printed copper traces, and strong insulating capability. The pastes or inks may comprise a high thermal conductivity powder. | 02-19-2015 |