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| Number | Title | Issue Date |
| 8002958 | Deposition method for nanostructure materials A method for depositing a coating of a nanostructure material onto a substrate includes: (1) forming a solution or suspension of containing the nanostructure material; (2) selectively adding “chargers” to the solution; (3) immersing electrodes in the solution, t... | 08/23/2011 |
| 7887689 | Method and apparatus for attaching nanostructure-containing material onto a sharp tip of an object and related articles A method for attaching nanostructure-containing material onto a sharp tip of an object includes forming a suspension of pre-formed nanostructure-containing material in a liquid medium. An electrode is immersed in the suspension. The sharp tip of the object is arrang... | 02/15/2011 |
| 7826595 | Micro-focus field emission x-ray sources and related methods Micro-focus field emission x-ray sources and related methods are provided. A micro-focus field emission x-ray source can include a field emission cathode including a film with a layer of electron field emitting materials patterned on a conducting surface. Further, t... | 11/02/2010 |
| 7751528 | Stationary x-ray digital breast tomosynthesis systems and related methods Stationary x-ray digital breast tomosynthesis systems and related methods are disclosed. According to one aspect, the subject matter described herein can include an x-ray tomosynthesis system having a plurality of stationary field emission x-ray sources configured t... | 07/06/2010 |
| 7618300 | Method of synthesizing small-diameter carbon nanotubes with electron field emission properties Carbon nanotube material having an outer diameter less than 10 nm and a number of walls less than ten are disclosed. Also disclosed are an electron field emission device including a substrate, an optionally layer of adhesion-promoting layer, and a layer of electron ... | 11/17/2009 |
| 7486772 | Systems and methods for x-ray imaging and scanning of objects Systems and methods for x-ray imaging and scanning of objects are disclosed. According to one aspect, the subject matter described herein can include providing an x-ray source configured to generate a plurality of individually-controllable x-ray beams, positioning a... | 02/03/2009 |
| 7455757 | Deposition method for nanostructure materials A method for depositing a patterned coating of a nanostructure material onto a substrate includes: (1) forming a solution or suspension of containing the nanostructure material; (2) masking at least a portion of at least one surface of the substrate (3) immersing el... | 11/25/2008 |
| 7359484 | Devices and methods for producing multiple x-ray beams from multiple locations An x-ray generating device includes at least one field-emission cold cathode having a substrate and incorporating nanostructure-containing material including carbon nanotubes. The device further includes at least one anode target. Associated methods are also describ... | 04/15/2008 |
| 7252749 | Deposition method for nanostructure materials A method for depositing a coating of a nanostructure material onto a substrate includes: (1) forming a solution or suspension of containing the nanostructure material; (2) selectively adding “chargers” to the solution; (3) immersing electrodes in the solution, t... | 08/07/2007 |
| 7245692 | X-ray imaging systems and methods using temporal digital signal processing for reducing noise and for obtaining multiple images simultaneously X-ray imaging systems and methods are provided that use temporal digital signal processing for reducing noise and for obtaining multiple images simultaneously. An x-ray imaging system can include an x-ray source adapted to generate a pulsed x-ray beam having a prede... | 07/17/2007 |
| 7227924 | Computed tomography scanning system and method using a field emission x-ray source Computed tomography scanning systems and methods using a field emission x-ray source are disclosed. An exemplary micro-computed tomography scanner comprises a micro-focus field emission x-ray source, an x-ray detector, an object stage placed between the x-ray source... | 06/05/2007 |
| 7220971 | Multi-pixel electron microbeam irradiator systems and methods for selectively irradiating predetermined locations Multi-pixel electron microbeam irradiator systems and methods are provided with particular applicability for selectively irradiating predetermined cells or cell locations. A multi-pixel electron microbeam irradiator system can include a plurality of individually add... | 05/22/2007 |
| 7147894 | Method for assembling nano objects A method for the self assembly of a macroscopic structure with a pre-formed nano object is provided. The method includes processing a nano object to a desired aspect ratio and chemical functionality and mixing the processed nano object with a solvent to form a suspe... | 12/12/2006 |
| 7129513 | Field emission ion source based on nanostructure-containing material A field emission ion source has nanostructure materials on at least an emitting edge of the anode electrode. Metal is transferred from a metal reservoir to the emitting edge of the anode, where the metal is transferred to an emitting end of the nanostructure materia... | 10/31/2006 |
| 7082182 | Computed tomography system for imaging of human and small animal Computed tomography device comprising an x-ray source and an x-ray detecting unit. The x-ray source comprises a cathode with a plurality of individually programmable electron emitting units that each emit an electron upon an application of an electric field, an anod... | 07/25/2006 |
| 7014743 | Methods for assembly and sorting of nanostructure-containing materials and related articles A method for depositing a nanostructure-containing material onto an object or substrate includes one or more of the following: (1) forming a solution or suspension of nanostructure-containing material, (2) selectively adding “chargers” to the solution, (3) immer... | 03/21/2006 |
| 6980627 | Devices and methods for producing multiple x-ray beams from multiple locations An x-ray generating device includes at least one field-emission cold cathode having a substrate and incorporating nanostructure-containing material including carbon nanotubes. The device further includes at least one anode target. Associated methods are also describ... | 12/27/2005 |
| 6969690 | Methods and apparatus for patterned deposition of nanostructure-containing materials by self-assembly and related articles Methods and apparatus are described for patterned deposition of nanostructure-containing materials by self-assembly and related articles. According to an exemplary embodiment self-assembly method for depositing nanostructure-containing materials includes forming a n... | 11/29/2005 |
| 6965199 | Coated electrode with enhanced electron emission and ignition characteristics An improved electrode capable of smaller variances and mean breakdown voltage, increased breakdown reliability, smaller electron emission turn-on requirements, and stable electron emissions capable of high current densities include a first electrode material, an adh... | 11/15/2005 |
| 6876724 | Large-area individually addressable multi-beam x-ray system and method of forming same A structure to generate x-rays has a plurality of stationary and individually electrically addressable field emissive electron sources with a substrate composed of a field emissive material, such as carbon nanotubes. Electrically switching the field emissive electro... | 04/05/2005 |
| 6850595 | X-ray generating mechanism using electron field emission cathode An x-ray generating device includes a field emission cathode formed at least partially from a nanostructure-containing material having an emitted electron current density of at least 4 A/cm2. High energy conversion efficiency and compact design are achiev... | 02/01/2005 |
| 6787122 | Method of making nanotube-based material with enhanced electron field emission properties A method of reducing electronic work function, reducing threshold field emission values, converting semiconducting behavior to metallic behavior, increasing the electron density state at the Fermi level, and increasing electron emission site density, of nanostructur... | 09/07/2004 |
| 6553096 | X-ray generating mechanism using electron field emission cathode An x-ray generating device includes a field emission cathode formed at least partially from a nanostructure-containing material having an emitted electron current density of at least 4 A/cm2. High energy conversion efficiency and compact design... | 04/22/2003 |
| 6514395 | Nanostructure-based high energy capacity material A nanostructure based material is capable of accepting-and reacting with an alkali metal such as lithium. The material exhibits a reversible capacity ranging from at least approximately 900 mAh/g-1,500 mAh/g. The high capacity of the material makes it att... | 02/04/2003 |
| 6422450 | Nanotube-based high energy material and method A carbon-based material containing an allotrope of carbon, such as single-walled carbon nanotubes, is capable of accepting and intercalated alkali metal. The material exhibits a reversible capacity ranging from approximately 650 mAh/g-1,000 mAh/g. The hig... | 07/23/2002 |
| 6334939 | Nanostructure-based high energy capacity material A nanostructure based material is capable of accepting and reacting with an alkali metal such as lithium. The material exhibits a reversible capacity ranging from at least approximately 900 mAh/g-1,500 mAh/g. The high capacity of the material makes it att... | 01/01/2002 |
| 6280697 | Nanotube-based high energy material and method A carbon-based material containing an allotrope of carbon, such as single-walled carbon nanotubes, is capable of accepting and intercalated alkali metal. The material exhibits a reversible capacity ranging from approximately 650 mAh/g-1,000 mAh/g. The hig... | 08/28/2001 |