Search for: "Emitt Fields"
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10 Apr 2008, 2:44 pm
A field emission lamp comprising:a bulb being vacuum sealed and having an inner surface;a lamp head mated with the bulb; an electron emitting cathode positioned in the bulb, wherein the electron emitting cathode comprises a plurality of electron emitters, and a base body having an outer surface, the base body is comprised of metallic material, and the electron emitters are carbon nanotubes and are formed on the outer surface of the base body;an anode layer formed on the… [read post]
3 Apr 2008, 2:10 pm
"Fully sealed, high-brightness carbon-nanotube field-emission display" (see Fig. 2a and note that partial pressure of Argon gas is used). [read post]
1 Apr 2008, 2:44 pm
A method of fabricating a nanocavity laser, said method comprising:pumping a laser cavity that supports an optical mode having an optical field concentrated in a region of said laser cavity; andoptically trapping a light emitter in said region of said laser cavity, the light emitter configured to provide optical gain for said laser cavity. [read post]
11 Mar 2008, 3:11 pm
This patent teaches using laser radiation to treat carbon nanotubes so as to create more emission sites when used in field emission applications. [read post]
21 Feb 2008, 2:02 pm
If the emitters are too close a field screening effect can reduce the efficiency of emission. [read post]
5 Feb 2008, 2:27 pm
[www.freepatentsonline.com]This patent from GE discloses a method for making a nanorod field emitter array using an AAO template formed in a mesa structure (note: nanorods are typically larger diameter nanowires with smaller aspect ratios). [read post]
17 Jan 2008, 2:32 pm
[www.freepatentsonline.com]This patent from Hon Hai Precision includes some basic claims to carbon nanotube arrays in field emitters having a flatness of less than 1 micron for improved uniformity of emission.1. [read post]
15 Jan 2008, 2:50 pm
[www.freepatentsonline.com]This patent from General Electric teaches a CVD method of forming field emission devices by metallizing carbon nanotubes. [read post]
31 Dec 2007, 10:24 am
"5) US Patent 7,295,503 (Hewlett-Packard)[www.freepatentsonline.com]This patent is basic to the use of nanotubes as electron emitters for storing data in phase change or other material for high density memory.Claim 1 - "A data storage device comprising an array of nanotubes as electron field emission sources. [read post]
13 Nov 2007, 1:55 pm
However, deposited nanostructures have a random orientation that are not optimal for directed field emission. [read post]
6 Nov 2007, 2:10 pm
A light source comprising: a substrate having a surface; a cathode with at least one substantially solid-cross-section electron emitter formed thereon, the cathode being located on the surface of the substrate, each electron emitter including an isolating post extending from the isolating layer and a nano-tip formed on a top end of the respective isolating post, the nano-tip being comprised of an emissive metal material; an isolating layer formed on the cathode; a light-permeable… [read post]
31 Oct 2007, 2:18 pm
[www.freepatentsonline.com]This patent, based on a collaboration between FEI company and Philips electronics, teaches a semiconductor field emitter formed from InAs nanowires. [read post]
5 Oct 2007, 2:13 pm
A field emitter cathode comprising (a) a substrate, and (b) a field emitter cathode paste composition comprising a composition of carbon nanotubes, particles and one or more members of the group consisting of a photoinitiator, a developable binder and a photohardenable monomer. [read post]
26 Jul 2007, 2:30 pm
[www.freepatentsonline.com]Carbon nanotubes are very efficient electron emitters with emission occurring at fields of about 1 V/micron to produce current densities over 1 A/cm2. [read post]
6 Jul 2007, 2:21 pm
A field emission device comprising: an insulative substrate, the substrate defining a recess therein; and a cathode with a plurality of electron emitters formed thereon, the cathode being positioned in the recess. [read post]
20 Jun 2007, 2:34 pm
Some of the key advantages of using nanomaterials for electron emission are:a) there is a low threshold voltage necessary for the emission which can lead to more energy efficient products (example: cell phones using field emission based displays would require less frequent charging)b) these materials are gradually being integrated with semiconductor processing methods and circuits which can ultimately reduce cost and size of any products using E-beams for their operation (example: handheld… [read post]
28 May 2007, 12:47 pm
A method for selectively irradiating target biological cells, the method comprising: (a) providing a plurality of individually controllable electron field emitters; (b) providing an electrode operable to extract electrons from the electron field emitters; (c) determining target biological cells for irradiation; (d) identifying locations of the determined target biological cells; and (e) individually controlling electron extraction from each of the electron… [read post]
23 May 2007, 8:39 pm
[www.freepatentsonline.com]An early commercialization area for carbon nanotubes is field emission displays. [read post]
8 May 2007, 5:01 pm
The lightsaber blade will make a distinctive sound that is typical of an arc wave energy field. [read post]
28 Mar 2007, 10:16 am
A method for making a field emission cathode comprising the steps of: depositing a carbon nanotube ("CNT") mixture on a cathode structure using a spraying process; contacting the deposited CNT mixture with an adhesive material; and separating the adhesive material from the deposited CNT mixture. [read post]
