Patent application number | Description | Published |
20080224711 | IONIZATION VACUUM GAUGE - An ionization vacuum gauge includes a cathode electrode, a gate electrode, and an ion collector. The gate electrode is disposed adjacent to the cathode electrode with a distance therebetween. The ion collector is disposed adjacent to the gate electrode also with a distance therebetween. The cathode electrode includes a base and a field emission film disposed thereon facing the ion collector. | 09-18-2008 |
20080277592 | COLD-CATHODE-BASED ION SOURCE ELEMENT - An ion source element includes a cold cathode, a grid electrode, and an ion accelerator. The cold cathode, the grid electrode, and the ion accelerator are arranged in that order and are electrically separated from one another. A space between the cold cathode and the grid electrode is essentially smaller than a mean free path of electrons at an operating pressure. The ion source element is thus stable and suitable for various applications. | 11-13-2008 |
20080278173 | IONIZATION VACUUM GAUGE - An ionization vacuum gauge includes a linear cathode, an anode, and an ion collector. The linear cathode, the anode, and the ion collector are concentrically aligned and arranged from center to outer, in that order. The linear cathode includes a linear base and a field emission film deposited coating on the linear base. The ionization vacuum gauge with low power consumption can be used in a high vacuum system and/or some special vacuum system that is sensitive to heat and light. Such a gauge can be used to determine, simply yet accurately, pressures at relatively high vacuum levels. | 11-13-2008 |
20090255529 | Solar collector and solar heating system using same - A solar collector includes a substrate having a top surface and a bottom surface opposite to the upper surface, a sidewall, a transparent cover, and a heat-absorbing layer. The sidewall is arranged on the top surface of the substrate. The transparent cover is disposed on the sidewall opposite to the substrate to form a sealed chamber with the substrate together. The heat-absorbing layer is disposed on the upper surface of the substrate and includes a carbon nanotube structure. | 10-15-2009 |
20090266355 | Solar collector and solar heating system using same - A solar collector includes a substrate having a top surface and a bottom surface opposite to the upper surface, a sidewall, a transparent cover, and a heat-absorbing layer. The sidewall is arranged on the periphery of the top surface of the substrate. Thea transparent cover is disposed on the sidewall opposite to the substrate to form a sealed chamber with the substrate together. The heat-absorbing layer is disposed on the upper surface of the substrate and includes a carbon nanotube film having a plurality of carbon nanotubes. The carbon nanotubes in the carbon nanotube film are aligned along a same direction or along different directions. | 10-29-2009 |
20090266356 | Solar collector and solar heating system using same - A solar collector includes a substrate having a top surface and a bottom surface opposite to the upper surface, a sidewall, a transparent cover, and a heat-absorbing layer. The sidewall is arranged on the periphery of the top surface of the substrate. The transparent cover is disposed on the sidewall opposite to the substrate to form a sealed chamber. The heat-absorbing layer is disposed on the upper surface of the substrate and includes a carbon nanotube film having a plurality of carbon nanotubes. The carbon nanotubes in the carbon nanotube film are joined end-to-end. | 10-29-2009 |
20090282781 | Vacuum device and method for packaging same - A method for establishing a vacuum in a container includes the following steps. The container having an exhaust through hole defined therein is provided. A sealing cover including a connecting material located on the periphery of the sealing cover is provided. The sealing cover is spaced from the exhaust through hole for forrn at least gaps between the sealing cover and the exhaust through hole. A vacuum is established in the container. The connecting material is heated. The sealing cover covers the exhaust through hole and the connecting material is cooled. After that the container is packaged. | 11-19-2009 |
20090288363 | VACUUM PACKAGING SYSTEM - A vacuum packaging system for packaging a vacuum apparatus includes a first accommodating room, a second container, a vacuum room, a first hatch, a second hatch, a delivery apparatus, a discharge device, and a heating apparatus. The delivery apparatus transports the vacuum apparatus from the first accommodating room to the vacuum room to the second accommodating room. The discharge device discharges a sealing element to seal an exhaust through hole of the vacuum apparatus. The heating apparatus is mounted on the inner wall of the vacuum room between the second hatch and the transport pipeline to heat and soften the sealing element. | 11-26-2009 |
20090288364 | VACUUM PACKAGING SYSTEM - A vacuum packaging system includes a vacuum room, a delivery apparatus, a discharge device, a second heating apparatus. The delivery apparatus transport the pre-packaged container into the vacuum room. The discharge device discharges a sealing material to seal an exhaust through hole of the pre-packaged container. The discharge device includes a vessel configured for containing sealing material, a transport pipeline, a first heating, and a controlling element. The first heating apparatus softens the sealing material into viscous liquid. The second heating apparatus is mounted on the inner wall of the vacuum room between the second hatch and the transport pipeline. | 11-26-2009 |
20090313946 | VACUUM DEVICE AND METHOD FOR PACKAGING SAME - A method for packaging the vacuum device includes providing a pre-packaged container having an exhaust through hole defined therein and a sealing element placed into the exhaust through hole, pumping the pre-packaged container to create a vacuum, heating and softening the sealing element to seal the exhaust through hole, and cooling the melted low-melting glass to package the pre-packaged container. | 12-24-2009 |
20100065042 | Solar colletor and solar heating system using same - A solar collector includes a substrate having a top surface and a bottom surface opposite to the upper surface, a sidewall, a transparent cover, and a heat-absorbing layer. The sidewall is arranged on the top surface of the substrate. The transparent cover is disposed on the sidewall opposite to the substrate to form a sealed chamber with the substrate together. The heat-absorbing layer is disposed on the upper surface of the substrate and includes a carbon nanotube film having a plurality of carbon nanotubes. The carbon nanotubes in the carbon nanotube film are entangled with each other. | 03-18-2010 |
20100065043 | Solar collector and solar heating system using same - A solar collector includes a substrate having a top surface and a bottom surface opposite to the upper surface, a sidewall, a transparent cover, and a heat-absorbing layer. The sidewall is arranged on the top surface of the substrate. A transparent cover is disposed on the sidewall opposite to the substrate to form a sealed chamber with the substrate together. The heat-absorbing layer is disposed on the upper surface of the substrate and includes a carbon nanotube composite material. | 03-18-2010 |
20100212711 | Generator - A generator includes a heat-electricity transforming device and a heat collector. The heat-electricity transforming device is configured to transform heat into electricity. The heat collector includes at least one heat absorption module. The at least one heat absorption module includes a carbon nanotube structure. The at least one heat absorption module is connected to the heat-electricity transforming device and transfers heat to the heat-electricity transforming device. | 08-26-2010 |
20100237874 | IONIZATION VACUUM GAUGE - An ionization vacuum gauge includes a cathode electrode, a gate electrode, and an ion collector. The cathode electrode includes a base and a field emission film disposed thereon. The gate electrode is disposed adjacent to the cathode electrode with a distance therebetween. The ion collector is disposed adjacent to the gate electrode with a distance therebetween. The field emission film of the cathode electrode includes carbon nanotubes, a low-melting-point glass, and conductive particles. | 09-23-2010 |
20100247333 | Sputter ion pump - A sputter ion pump includes one vacuum chamber, two parallel anode poles and one cold cathode electron emitter. The vacuum chamber includes at least one aperture located in an outer wall thereof. The two parallel anode poles are positioned in the vacuum chamber and arranged in a symmetrical configuration about a center axis of the vacuum chamber. The cold cathode electron emission device is located on or proximate the outer wall of the vacuum chamber and faces a corresponding aperture. The cold cathode electron emission device is thus configured for injecting electrons through the corresponding aperture and into the vacuum chamber. The sputter ion pump produces a saddle-shaped electrostatic field and is free of a magnetic field. The sputter ion pump has a simplified structure and a low power consumption. | 09-30-2010 |
20110285271 | FIELD EMISSION DEVICE - A field emission device includes an insulative substrate, an electron pulling electrode, a secondary electron emission layer, a first dielectric layer, a cathode electrode, and an electron emission layer. The electron pulling electrode is located on a surface of the insulative substrate. The secondary electron emission layer is located on a surface of the electron pulling electrode. The cathode electrode is located apart from the electron pulling electrode by the first dielectric layer. The cathode electrode has a surface oriented to the electron pulling electrode and defines a first opening as an electron output portion. The electron emission layer is located on the surface of the cathode electrode and oriented to the electron pulling electrode. | 11-24-2011 |
20110287684 | METHOD FOR MAKING FIELD EMISSION DEVICE - A method for making a field emission device includes the following steps. An insulative substrate is provided. An electron pulling electrode is formed on the insulative substrate. A secondary electron emission layer is formed on the electron pulling electrode. A first dielectric layer is fabricated. The first dielectric layer has a second opening to expose the secondary electron emission layer. A cathode plate having an electron output portion is provided. An electron emission layer is formed on part surface of the cathode plate. The cathode plate is placed on the first dielectric layer. The electron output portion and the second opening have at least one part overlapped, and at least one part of the electron emission layer is oriented to the secondary electron emission layer via the second opening. | 11-24-2011 |
20120007490 | ION SOURCE - An ion source using a field emission device is provided. The field emission device includes an insulative substrate, an electron pulling electrode, a secondary electron emission layer, a first dielectric layer, a cathode electrode, and an electron emission layer. The electron pulling electrode is located on a surface of the insulative substrate. The secondary electron emission layer is located on a surface of the electron pulling electrode. The cathode electrode is located apart from the electron pulling electrode by the first dielectric layer. The cathode electrode has a surface oriented to the electron pulling electrode and defines a first opening as an electron output portion. The electron emission layer is located on the surface of the cathode electrode and oriented to the electron pulling electrode. | 01-12-2012 |
20120169209 | FIELD EMISSION DEVICE AND FIELD EMISSION DISPLAY - The present disclosure provides a field emission device. The field emission device includes an insulating substrate having a first surface, a first electrode, a second electrode, at least one cathode emitter and a secondary electron emitter. The first electrode and the second electrode are spaced from each other and are located on the first surface of the insulating substrate. The cathode emitter is electrically connected to the first electrode and spaced from the second electrode. A secondary electron emitter is spaced from the cathode emitter. The secondary electron emitter has an electron emitting surface exposed to the cathode emitter. A secondary electron emitter is spaced from the cathode emitter. The cathode emitter is oriented toward the secondary electron emitter. | 07-05-2012 |
20130106431 | IONIZATION VACUUM GAUGE | 05-02-2013 |
20140159566 | FIELD EMISSION CATHODE DEVICE AND FIELD EMISSION EQUIPMENT USING THE SAME - A field emission cathode device includes a cathode electrode. An electron emitter is electrically connected to the cathode electrode, wherein the electron emitter includes a number of sub-electron emitters. An electron extracting electrode is spaced from the cathode electrode by a dielectric layer, wherein the electron extracting electrode defines a through-hole. The distances between an end of each of the sub-electron emitters away from the cathode electrode and a sidewall of the through-hole are substantially equal. | 06-12-2014 |