Abstract:
A tip of an electron beam source includes a core carrying a coating. The coating is formed from a material having a greater electrical conductivity than a material forming the surface of the core.
Abstract:
A method of forming an electron emitter structure for use in a field emission display, or as a field emission backlight for an LCD display is provided. The electron emitter structure is formed by depositing mask elements onto an laminar Al substrate, and etching the Al substrate chemically through gaps between the mask elements, such that a spikes are formed on the substrate. These spikes are then covered with an electron emitter material. The spikes can be formed with a desired pitch/height ratio.
Abstract:
An ultraviolet (UV) sensitive photocathode includes a support structure, and an amorphous diamond-like carbon coating on the support structure. A method produces the UV sensitive photocathode. A UV sensitive detector is for measuring UV radiation and includes the UV sensitive photocathode.
Abstract:
The invention relates to a method of fabrication of cold cathodes by irradiation of doped Diamond Like Carbon (DLC) films with multicharged ions. According to the invention each multicharged ion prints on the surface an isolative dot from which, directly or after a conditioning process, one can extract at room temperature intense electronic currents with very low electric fields. These dots may be printed on very inexpensive DLC films on areas, of predetermined shapes, sizes and emissivity. The invention also relates to the corresponding emissive surfaces and all applications of the method to the fabrication of electron guns of exceptional intensity and geometrical properties and owning very low energy consumption to be used for portable instruments. These cold cathodes may be used in all instruments based on electron beams, such as flat panel displays, x ray or all electronic tubes, vacuum components and so on.
Abstract:
Diamond-like carbon based energy conversion devices and methods of making and using the same which have improved conversion efficiencies and increased reliability are provided. In one aspect, such a device may include a cathode having a plurality of nano-diamond particles disposed in a metal matrix, where the plurality of nano-diamond particles protrude partially from the metal matrix. A layer of diamond-like carbon (DLC) may be deposited on the plurality of nano-diamond particles and the metal matrix. Additionally, an anode may be located in a position to face the plurality of nano-diamond particle protrusions.
Abstract:
A tip of an electron beam source includes a core carrying a coating. The coating is formed from a material having a greater electrical conductivity than a material forming the surface of the core.
Abstract:
A tip of an electron beam source includes a core carrying a coating. The coating is formed from a material having a greater electrical conductivity than a material forming the surface of the core.
Abstract:
Diamond-like carbon based energy conversion devices and methods of making and using the same which have improved conversion efficiencies and increased reliability. Such a device may include a cathode having a base member with a layer of diamond-like carbon material coated over at least a portion thereof, an intermediate member electrically coupled to the diamond-like carbon material, the intermediate member including a plurality of carbon structures coated with a layer of an insulating material, and an anode electrically coupled to the intermediate member opposite the diamond-like carbon material.
Abstract:
Diamond-like carbon based energy conversion devices and methods of making and using the same which have improved conversion efficiencies and increased reliability. Such a device may include a cathode (25) having a base member (60) with a layer of diamond-like carbon material (5) coated over at least a portion thereof, an intermediate member (55) electrically coupled to the diamond-like carbon material (5), the intermediate member (55) including a plurality of carbon structures coated with a layer of an insulating material, and an anode (30) electrically coupled to the intermediate member (55) opposite the diamond-like carbon material.
Abstract:
Diamond-like carbon based energy conversion devices and methods of making and using the same which have improved conversion efficiencies and increased reliability. Such a device may include a cathode (25) having a base member (60) with a layer of diamond-like carbon material (5) coated over at least a portion thereof, an intermediate member (55) electrically coupled to the diamond-like carbon material (5), the intermediate member (55) including a plurality of carbon structures coated with a layer of an insulating material, and an anode (30) electrically coupled to the intermediate member (55) opposite the diamond-like carbon material.