Abstract:
This invention provides a process for improving the field emission of an electron field emitter comprised of an acicular emitting substance such as acicular carbon, an acicular semiconductor, an acicular metal or a mixture thereof, comprising applying a force to the surface of the electron field emitter wherein the force results in the removal of a portion of the electron field emitter thereby forming a new surface of the electron field emitter.
Abstract:
This invention provides a process for improving the field emission of an electron field emitter comprised of an acicular emitting substance such as acicular carbon, an acicular semiconductor, an acicular metal or a mixture thereof, comprising applying a force to the surface of the electron field emitter wherein the force results in the removal of a portion of the electron field emitter thereby forming a new surface of the electron field emitter.
Abstract:
There is provided an electron-emitting device of a field emission type, with which the spot size of an electron beam is small, an electron emission area is large, highly efficient electron emission is possible with a low voltage, and the manufacturing process is easy. The electron-emitting device includes a layer 2 which is electrically connected to a cathode electrode 5, and a plurality of particles 3 which contains a material having a resistivity lower than that of a material constituting the layer 2, and is wherein a density of particles 3 in the layer 2 is 1×1014/cm3 or more and 5×1018/cm3 or less.
Abstract translation:提供了一种场致发射型电子发射装置,其电子束的光点尺寸小,电子发射面积大,电子发射能够以低电压发射,制造工艺容易 。 电子发射器件包括电连接到阴极电极5的层2和包含电阻率低于构成层2的材料的电阻率的多个颗粒3,其中颗粒的密度 3层在层2中为1×10 14 / cm 3以上且5×10 18 / cm 3以下。
Abstract:
Diamond-like carbon based thermoelectric conversion devices and methods of making and using the same, which have improved conversion efficiencies and increased reliability. The device can include a cathode having a base member with a layer of diamond-like carbon material such as amorphous diamond coated over the cathode. A dielectric intermediate member can be electrically coupled between the diamond-like carbon material and an anode. Various additional layers and configurations can allow for improved performance such as multiple cathode layers and/or multiple intermediate layers. The thermoelectric conversion devices can be configured as an electrical generator and/or a cooling device and can be conveniently formed. In addition, the devices of the present invention do not require formation of a vacuum space and are typically completely solid throughout. As a result, the devices of the present invention are susceptible to mass production at reduced costs and have improved conversion efficiencies and reliability.
Abstract:
Disclosed herein are a composition that can be used in the preparation of an electron emitter, a method of making the foregoing composition and an article made, at least in part, from the foregoing composition.
Abstract:
Novel heterodiamondoid-containing field emission devices (FED's) are disclosed herein. In one embodiment of the present invention, the heteroatom of the heterodiamondoid comprises an electron-donating species (such as nitrogen) as part of the cathode or electron-emitting component of the field emission device.
Abstract:
Novel uses of diamondoid-containing materials in the field of microelectronics are disclosed. Embodiments include, but are not limited to, thermally conductive films in integrated circuit packaging, thermally conductive adhesive films, and thermally conductive films in thermoelectric cooling devices. The diamondoids employed in the present invention may be selected from lower diamondoids, as well as the newly provided higher diamondoids, including substituted and unsubstituted diamondoids. The higher diamondoids include tetramantane, pentamantane, hexamantane, heptamantane, octamantane, nonamantane, decamantane, and undecamantane. The diamondoid-containing material may be fabricated as a diamondoid-containing polymer, a diamondoid-containing sintered ceramic, a diamondoid ceramic composite, a CVD diamondoid film, a self-assembled diamondoid film, and a diamondoid-fullerene composite.
Abstract:
There is provided an electron emitting device utilizing a plurality of carbon fibers, in which a mean diameter value of the plurality of carbon fibers is in a range from a minimum of 10 nm to a maximum of 10 nm, and a standard deviation of diameter distribution of the plurality of carbon fibers is equal to or less than 30% of the mean diameter value.
Abstract:
A flat panel display having electron sources capable is of emitting electrons uniformly within the display surface. The flat panel display includes a rear panel formed by a rear substrate. Cathode electrodes are formed on the inner surface of the rear substrate. Layers forming the electron sources consist of carbon nanotubes and are formed on the cathode electrodes. The surfaces of layers of the electron sources are bristled with the carbon nanotubes. Multi-walled and single-walled carbon nanotubes are dispersed in the layers of the electron sources.
Abstract:
An emitter for a field emission device (FED) designed to increase durability by interposing an ultraviolet (UV) transmissive resistive layer between a substrate and an emitter and a method for fabricating the same. The method includes depositing a transparent electrode on a transparent substrate, forming a resistive layer by stacking an ultraviolet (UV) transmissive resistive material on the transparent electrode, forming an emitter layer by stacking a carbon nanotube (CNT) on the UV transmissive resistive material, and patterning the emitter layer according to a predetermined emitter pattern.