Patent application number | Description | Published |
20080260941 | Method for Fabricating a Long-Range Ordered Periodic Array of Nano-Features, and Articles Comprising Same - A long range, periodically ordered array of discrete nano-features ( | 10-23-2008 |
20080268288 | Spinodally Patterned Nanostructures - Devices based on spinodally decomposed periodic structures and their fabrication techniques. | 10-30-2008 |
20080272299 | Probe System Comprising an Electric-Field-Aligned Probe Tip and Method for Fabricating the Same - A mechanically stable and oriented scanning probe tip comprising a carbon nanotube having a base with gradually decreasing diameter, with a sharp tip at the probe tip. Such a tip or an array of tips is produced by depositing a catalyst metal film on a substrate ( | 11-06-2008 |
20080287030 | METHOD OF FABRICATING CARBIDE AND NITRIDE NANO ELECTRON EMITTERS - This invention discloses novel field emitters which exhibit improved emission characteristics combined with improved emitter stability, in particular, new types of carbide or nitride based electron field emitters with desirable nanoscale, aligned and sharped-tip emitter structures. | 11-20-2008 |
20090062900 | Devices, systems and methods to detect endothelialization of implantable medical devices - An implantable medical device including a radially-expandable body and an attached detection device. The detection device includes a sensor positioned on a surface of the radially-expandable body and configured to detect endothelialization of the surface. The detection device also includes a transmitter and a receiver. Systems incorporating the implantable medical device and methods of using the device are also disclosed. | 03-05-2009 |
20090098671 | Nanotube assembly including protective layer and method for making the same - Nanotube assemblies and methods for manufacturing the same, including one or more protective layers. A nanotube assembly may include a substrate, a nanotube array, formed on the substrate, and a protective layer, formed on a first area of the substrate where the nanotube array is not, the protective layer reducing the formation of nanocones, and promoting the formation of nanotubes, which make up the nanotube array. | 04-16-2009 |
20090133171 | Tapered probe structures and fabrication - Probe structures and fabrication techniques are described. The described probe structures can be used as probes for various applications such as conductance measurement probes, field emitter probes, nanofabrication probes, and magnetic bit writing or reading probes. | 05-21-2009 |
20090220561 | COMPOSITIONS COMPRISING NANOSTRUCTURES FOR CELL, TISSUE AND ARTIFICIAL ORGAN GROWTH, AND METHODS FOR MAKING AND USING SAME - The invention provides articles of manufacture comprising biocompatible nanostructures comprising nanotubes and nanopores for, e.g., organ, tissue and/or cell growth, e.g., for bone, kidney or liver growth, and uses thereof, e.g., for in vitro testing, in vivo implants, including their use in making and using artificial organs, and related therapeutics. The invention provides lock-in nanostructures comprising a plurality of nanopores or nanotubes, wherein the nanopore or nanotube entrance has a smaller diameter or size than the rest (the interior) of the nanopore or nanotube. The invention also provides dual structured biomaterial comprising micro- or macro-pores and nanopores. The invention provides biomaterials having a surface comprising a plurality of enlarged diameter nanopores and/or nanotubes. | 09-03-2009 |
20100005553 | SIDEWALL TRACING NANOPROBES, METHOD FOR MAKING THE SAME, AND METHOD FOR USE - Sidewall tracing nanoprobes, in which the tip shape of the nanoprobe Is altered so that the diameter or width of the very tip of the probe is wider than the diameter of the supporting stem. Such side protruding probe tips are fabricated by a subtractive method of reducing the stem diameter, an additive method of increasing the tip diameter, or sideway bending of the probe tip. These sidewall tracing nanoprobes are useful for inspection of semiconductor devices, especially to quantitatively evaluate the defects on the side wall of trenches or via holes. | 01-07-2010 |
20100229265 | PROBE SYSTEM COMPRISING AN ELECTRIC-FIELD-ALIGNED PROBE TIP AND METHOD FOR FABRICATING THE SAME - A mechanically stable and oriented scanning probe tip comprising a carbon nanotube having a base with a gradually decreasing diameter, with a sharp tip at the probe tip. Such a tip or an array of tips is produced by depositing a catalyst metal film on a substrate, depositing a carbon dot on the catalyst metal film, etching away the catalyst metal film not masked by the carbon dot, removing the carbon dot from the catalyst metal film to expose the catalyst metal film and growing a carbon nanotube probe tip on the catalyst metal film. The carbon probe tips can be straight, angled, or sharply bent and have various technical applications. | 09-09-2010 |
20100303716 | SWITCHABLE NANO-VEHICLE DELIVERY SYSTEMS, AND METHODS FOR MAKING AND USING THEM - The invention provides nanodevices or products of manufacture for use as drug delivery vehicles. In one aspect, the invention provides nanodevices or products of manufacture having on-off release mechanisms, e.g., that are “switchable”, or “actuatable” (for example magnetically or ultrasonically switchable), for compounds contained within, e.g., for use as drug delivery nano-vehicles having on-off drug release mechanisms, and their therapeutic applications. | 12-02-2010 |
20100303722 | ARTICLES COMPRISING LARGE-SURFACE-AREA BIO-COMPATIBLE MATERIALS AND METHODS FOR MAKING AND USING THEM - The present invention provides articles of manufacture comprising biocompatible nanostructures comprising significantly increased surface area for, e.g., organ, tissue and/or cell growth, e.g., for bone, tooth, kidney or liver growth, and uses thereof, e.g., for in vitro testing of drugs, chemicals or toxins, or as in vivo implants, including their use in making and using artificial tissues and organs, and related, diagnostic, screening, research and development and therapeutic uses, e.g., as drug delivery devices. The present invention provides biocompatible nanostructures with significantly increased surface area, such as with nanotube and nanopore array on the surface of metallic, ceramic, or polymer materials for enhanced cell and bone growth, for in vitro and in vivo testing, cleansing reaction, implants and therapeutics. The present invention provides optically transparent or translucent cell-culturing substrates. The present invention provides biocompatible and cell-growth-enhancing culture substrates comprising elastically compliant protruding nanostructure substrates coated with Ti, TiO | 12-02-2010 |
20110085968 | ARTICLES COMPRISING NANO-MATERIALS FOR GEOMETRY-GUIDED STEM CELL DIFFERENTIATION AND ENHANCED BONE GROWTH - The present invention provides articles of manufacture comprising biocompatible nanostructures comprising significantly increased surface area for, e.g., organ, tissue and/or cell growth, e.g., for bone, tooth, kidney or liver growth, and uses thereof, e.g., for in vitro testing of drugs, chemicals or toxins, or as in vivo implants, including their use in making and using artificial tissues and organs, and related, diagnostic, screening, research and development and therapeutic uses, e.g., as drug delivery devices. The present invention provides biocompatible nanostructures with significantly increased surface area, such as with nanotube and nanopore array on the surface of metallic, ceramic, or polymer materials for enhanced cell and bone growth, for in vitro and in vivo testing, cleansing reaction, implants and therapeutics. The present invention provides optically transparent or translucent cell-culturing substrates. The present invention provides biocompatible and cell-growth-enhancing culture substrates comprising elastically compliant protruding nanostructure substrates coated with Ti, TiO | 04-14-2011 |
20110159070 | BIOMATERIALS AND IMPLANTS FOR ENHANCED CARTILAGE FORMATION, AND METHODS FOR MAKING AND USING THEM - The invention provides products of manufacture, e.g., biomaterials and implants, for cartilage maintenance and/or formation in-vivo, in-vitro, and ex-vivo, using nanotechnology, e.g., using nanotube, nanowire, nanopillar and/or nanodepots configured on surface structures of the products of manufacture. | 06-30-2011 |
20110229667 | NANOSTRUCTURED SUPERHYDROPHOBIC, SUPEROLEOPHOBIC AND/OR SUPEROMNIPHOBIC COATINGS, METHODS FOR FABRICATION, AND APPLICATIONS THEREOF - Systems, techniques and applications for nanoscale coating structures and materials that are superhydrophobic with a water contact angle greater than about 140° or 160° and/or superoleophobic with an oil contact angle greater than about 140° or 160°. The nanostructured coatings can include Si or metallic, ceramic or polymeric nanowires that may have a re-entrant or mushroom-like tip geometry. The nanowired coatings can be used in various self-cleaning applications ranging from glass windows for high-rise buildings and non-wash automobiles to pipeline inner surface coatings and surface coatings for biomedical implants. | 09-22-2011 |
20120010599 | INORGANICALLY SURFACE-MODIFIED POLYMERS AND METHODS FOR MAKING AND USING THEM - In alternative embodiments, the invention provides articles of manufacture comprising biocompatible nanostructures comprising PolyEther EtherKetone (PEEK) surface-modified (surface-nanopatterned) to exhibit nanostructured surfaces that promote osseointegration and bone-bonding for, e.g., joint (e.g., knee, hip and shoulder) replacements, bone or tooth reconstruction and/or implants, including their use in making and using artificial tissues and organs, and related, diagnostic, screening, research and development and therapeutic uses, e.g., as primary or ancillary drug delivery devices. In alternative embodiments, the invention provides biocompatible nanostructures that promote osseointegration and bone-bonding for enhanced cell and bone growth and e.g., for in vitro and in vivo testing, restorative and reconstruction procedures, implants and therapeutics. | 01-12-2012 |
20120199189 | THREE DIMENSIONAL DYE-SENSITIZED SOLAR CELLS WITH NANOSCALE ARCHITECTURES - Techniques, apparatus, materials and systems are described for providing solar cells. In one aspect, an apparatus includes a high efficiency dye sensitized solar cell (DSSC). The DSSC includes three-dimensional nanostructured electrodes. The three-dimensional nanostructured electrodes can include a cathode; an electrolyte; and anode that includes TiO2 nanotubes arranged in a three-dimensional structure; and a photosensitive dye coated on the anode. | 08-09-2012 |
20120214217 | IN SITU TISSUE ENGINEERING USING MAGNETICALLY GUIDED THREE DIMENSIONAL CELL PATTERNING - Methods are provided for the three dimensional manipulation of cells, and for the formation of an organized engineered cell tissue. Also provided are the organized engineered cell tissues produced by the methods. In one method, a plurality of magnetically labeled cells are mixed with a cross-linkable hydrogel to form a cell-hydrogel mixture, the at least a portion of the plurality of magnetically labeled cells are manipulated with a magnetic field to arrange the magnetically labeled cells into a specific cellular arrangement, and the hydrogel is crosslinked to form the organized engineered cell tissue. The approach presented herein offers a means to circumvent the deficiencies in the field of regenerative medicine, and allows for the production of organized tissues in situ with specific cellular organizations that mimic the native tissue. | 08-23-2012 |
20130344600 | COMPOSITIONS COMPRISING NANOSTRUCTURES FOR CELL, TISSUE AND ARTIFICIAL ORGAN GROWTH, AND METHODS FOR MAKING AND USING SAME - The invention provides articles of manufacture comprising biocompatible nanostructures comprising nanotubes and nanopores for, e.g., organ, tissue and/or cell growth, e.g., for bone, kidney or liver growth, and uses thereof, e.g., for in vitro testing, in vivo implants, including their use in making and using artificial organs, and related therapeutics. The invention provides lock-in nanostructures comprising a plurality of nanopores or nanotubes, wherein the nanopore or nanotube entrance has a smaller diameter or size than the rest (the interior) of the nanopore or nanotube. The invention also provides dual structured biomaterial comprising micro- or macro-pores and nanopores. The invention provides biomaterials having a surface comprising a plurality of enlarged diameter nanopores and/or nanotubes. | 12-26-2013 |
20140011013 | SUPERHYDROPHOBIC AND SUPEROLEOPHOBIC NANOSURFACES - Devices, systems and techniques are described for producing and implementing articles and materials having nano-scale and microscale structures that exhibit superhydrophobic, superoleophobic or omniphobic surface properties and other enhanced properties. In one aspect, a surface nanostructure can be formed by adding a silicon-containing buffer layer such as silicon, silicon oxide or silicon nitride layer, followed by metal film deposition and heating to convert the metal film into balled-up, discrete islands to form an etch mask. The buffer layer can be etched using the etch mask to create an array of pillar structures underneath the etch mask, in which the pillar structures have a shape that includes cylinders, negatively tapered rods, or cones and are vertically aligned. In another aspect, a method of fabricating microscale or nanoscale polymer or metal structures on a substrate is made by photolithography and/or nano imprinting lithography. | 01-09-2014 |
20140086962 | PRODUCTS OF MANUFACTURE HAVING TANTALUM COATED NANOSTRUCTURES, AND METHODS OF MAKING AND USING THEM - In alternative embodiments, the invention provides products (articles) of manufacture comprising nanostructures such as nanotubes having a surface comprising tantalum. In alternative embodiments, products of manufacture of the invention include nanostructures, e.g., nanotubes, nanowire, nanopore, and the like comprising a surface layer of tantalum. In alternative embodiments, products or articles of manufacture of the invention are bioimplants, and the tantalum-surface-coated nanostructures of the invention provide increased bioactivity and bone forming ability. In alternative embodiments, products or articles of manufacture of the invention, e.g., bioimplants, comprising the tantalum-surface-coated nanostructures of the invention are used for in vitro, ex vivo and in vivo testing, implants, biomedical devices and therapeutics. | 03-27-2014 |
20140132376 | NANOSTRUCTURED HIGH-STRENGTH PERMANENT MAGNETS - Materials, techniques, systems, and devices are disclosed for fabricating and implementing high-strength permanent magnets. In one aspect, a method of fabricating a magnet includes distributing particles of a first magnetic material such that the particles are substantially separated, in which the particles include a surface substantially free of oxygen. The method includes forming a coating of a second magnetic material over each of the particles, in which the coating forms an interface at the surface that facilitates magnetic exchange coupling between the first and second magnetic materials. The method includes consolidating the coated particles to produce a magnet that is magnetically stronger than each of the first and second magnetic materials. | 05-15-2014 |
20140256078 | SEMICONDUCTOR PROCESSING BY MAGNETIC FIELD GUIDED ETCHING - Methods, systems, and devices are described for slicing and shaping materials using magnetically guided chemical etching. In one aspect, a method includes forming a pattern on a substrate by a mask, depositing a catalytic etcher layer on the patterned substrate, a magnetic guide layer on the etcher layer, and a protection layer on the guide layer, etching the substrate by applying an etching solution to the substrate that chemically reacts with the etcher layer and etches material from the substrate at exposed regions not covered by the mask, steering the composite etching structure into the substrate during the etching by an applied magnetic field that creates a force on the guide layer to direct the etching, in which the steering defines the shape of the sliced regions of the etched substrate, and removing the etched material, the mask, and the composite etching structure to produce a sliced material structure. | 09-11-2014 |
20140291296 | NANOMATERIALS FABRICATED USING SPARK EROSION AND OTHER PARTICLE FABRICATION PROCESSES - Methods, systems, and devices are disclosed for fabricating clean, oxidation-free nanoparticles of electrically conducting metals and alloys using spark erosion techniques. In one aspect, a method includes dispersing bulk pieces of an electrically conducting material in a dielectric fluid with mechanical vibrations within a container; generating an electric field using electrodes in the dielectric fluid using by an electric pulse, in which the electric field creates a plasma in a volume existing between the bulk pieces that locally heats the bulk pieces to form structures within the volume, the dielectric fluid quenching the structures to form nanoparticles, and filtering the nanoparticles through a screen including holes of a size allowing nanoparticles of the size or smaller to pass through the screen to a region in the container, in which the dielectric fluid inhibits oxidation of the surface of the nanoparticles. | 10-02-2014 |
20140335145 | BIOMATERIALS AND IMPLANTS FOR ENHANCED CARTILAGE FORMATION, AND METHODS FOR MAKING AND USING THEM - The invention provides products of manufacture, e.g., biomaterials and implants, for cartilage maintenance and/or formation in-vivo, in-vitro, and ex-vivo, using nanotechnology, e.g., using nanotube, nanowire, nanopillar and/or nanodepots configured on surface structures of the products of manufacture. | 11-13-2014 |