431 results about "Hot zone" patented technology

A gas injector tube usable in a batch thermal treatment oven including two silicon shells joined together with an adhesive formed of a fine silicon powder and a curable silica-forming agent, such as a spin-on glass, which is ultrasonically homogenized. The tube may have a gas outlet on its distal end or be sealed with a silicon cap and have side outlet holes formed along its side. The silicon injector tube may be used in combination with a silicon tower and a silicon liner so that all bulk parts within the furnace hot zone are formed of silicon.

A method of growing single-crystals of a cubic (zinc blende) form of gallium nitride, the method comprising the steps of: placing into a reaction tube or acid resistant vessel a gallium source, anhydrous ammonia, an acid mineralizer and a metal halide salt selected from the group consisting of alkali metal halides, copper halides, tin halides, lanthanide halides and combinations thereof; closing said reaction tube or vessel; heating said reaction tube; cooling said reaction tube or vessel; and collecting single-crystals of cubic (zinc blende) form of GaN; wherein said reaction tube or vessel has a temperature gradient with a hot zone of at least 250° C., wherein said reaction tube or vessel has a temperature gradient with a cool zone of at least 150° C., and wherein said acid mineralizer has a sufficient concentration to permit chemical transport of GaN in said reaction tube or vessel from said hot zone to said cool zone due to said temperature gradient within said reaction tube or vessel.

A data center includes an air-conditioned room, two rack rows formed on a floor surface of the air-conditioned room and each composed of a plurality of racks arranged in a horizontal direction, each of the plurality of racks housing electronic devices in multistage configuration, an air conditioner for conditioning air in the air-conditioned room to eliminate heat generated from the electronic devices housed in the plurality of racks, and a hot zone in the air-conditioned room. The hot zone is defined by the two rack rows arranged on the floor surface of the air-conditioned room such that rear sides thereof are opposite each other at a distance, a ceiling disposed above the two rack rows, two panels disposed at both ends of the two rack rows in the horizontal direction and extending from a lower end of the two rack rows to the ceiling, and two partitions disposed at an upper front top end of the two rack rows and extending to the ceiling. The ceiling includes an exhaust port for discharging heat in the hot zone, and the air conditioner is operable to introduce air-conditioned air from the air-conditioned room through front sides and then the rear sides of the two rack rows into the hot zone.

Online publishing tools, which provide browser-based publishing services available through the Internet for preparing content for publication, include a preview interface which generates and displays an accurate representation of the client's work, with proportionately correct size, font, format and positioning, as well as an edit interface which generates a less precise but editable version of the client's work. Preview files used for displaying previews on the preview interface, and which can incorporate edits made on the edit interface, include typesetting information, positioning information, hot zones information, images of text and links to omitted content. Some preview files provide preview information for less than the client's entire document that is being worked on. Interfaces are also used to move and modify sections of content contained in the body of the client's work, of any size, through simple drag and drop processes implemented on elements of a corresponding table of contents.

Apparatus and methods to fabricate a radiation hardened optical fiber from a preform are provided. Various parameters affecting the draw process are controlled to optimize the radiation resistance of the resulting fiber. An annealing zone may be provided to allow a drawn fiber exiting a primary hot zone to undergo an annealing process which may increase radiation resistance.

Building comprising at least two vertically superimposed computer rooms 2, 3, 4, 5 each limited by a peripheral wall 6 and separated from each other by an intermediate floor 7 and which each contain computer cabinets 11 for computer or electronic equipment 25. The building is characterised in that: each computer room 2, 3, 4, 5 comprises at least one interior wall 10 formed in part or less by the computer cabinets 11 and which separates the interior volume of each computer room into a hot zone Zc and a cold zone Zf, since the air cannot flow between the hot zone Zc and the cold zone Zf without passing through the computer cabinets 11; each intermediate floor 7, 8, 9 is perforated to allow free circulation of air, all cold zones Zf are superimposed and forming a supply column of fresh air C_a and all the hot spots are superimposed forming an exhaust column of hot air C_e; the floors 7, 8, 9, the perimeter walls 6 and interior walls 10 are adapted to prevent a direct flow of air between the supply column C_a and the exhaust column C_e, and the building comprises fresh air means 20, 30 in the supply column C_a and means for evacuating 23, 30 hot air from the exhaust column C_e.

The invention provides a solid oxide fuel cell device and a fuel cell system incorporating a plurality of the fuel devices, each device including an elongate substrate the length of which is the greatest dimension such that the elongate substrate has a coefficient of thermal expansion having only one dominant axis that is coextensive with the length. A reaction zone is provided along a first portion of the length for heating to an operating reaction temperature, and at least one cold zone is provided along a second portion of the length that remains at a low temperature below the operating reaction temperature when the reaction zone is heated. A plurality of fuel passages and oxidizer passages are provided in the elongate substrate extending from the at least one cool zone to the reaction zone, each fuel passage having an associated anode in the reaction zone, and each oxidizer passage having an associated cathode in the reaction zone positioned in opposing relation to a respective one of the associated anodes. An electrolyte is disposed between each of the opposing anodes and cathodes in the reaction zone. The system further includes the devices positioned with their first portions in a hot zone chamber and their cold zones extending outside the hot zone chamber. A heat source is coupled to the hot zone chamber to heat the reaction zones to the operating reaction temperature. A fuel supply is coupled outside the hot zone chamber to the at least one cold zones in fluid communication with the fuel passages for supplying a fuel flow into the fuel passages.

A vehicle headlamp having a projector-type lamp unit that enhances a luminous intensity of a hot zone at the time of high beam irradiation is described. A first additional reflector is provided obliquely left-upward of an optical axis Ax, and a second additional reflector is provided obliquely right-downward of the optical axis Ax, between a reflector and a projection lens. An additional light distribution pattern is formed in a center area of a high beam distribution pattern by reflecting direct light, which has entered the first additional reflector from a light source, obliquely right-downward and then forward by the second additional reflector, at the time of high beam irradiation. A reflective surface of the first additional reflector is formed like an ellipsoid spherical surface having the second focus on the right side with respect to the optical axis A (the second reflector side). This makes the additional light distribution pattern into a pattern with a narrow vertical width, and enhances a luminosity of the hot zone without making a short distance area of a road surface at the front of the vehicle excessively luminous.

A headlamp having a plurality of lighting units using light emitting diodes as light sources. A cutoff line forming unit, hot zone forming units, and a diffusion region forming unit are used as these lighting units. Consequently, a light distribution pattern for a low beam having a desirable pattern shape and light intensity distribution can be obtained as the synthetic light distribution pattern of light distribution patterns formed by the irradiation of a light from these three kinds of lighting units.

An improved system based on the Czochralski process for continuous growth of a single crystal ingot comprises a low aspect ratio, large diameter, and substantially flat crucible, including an optional weir surrounding the crystal. The low aspect ratio crucible substantially eliminates convection currents and reduces oxygen content in a finished single crystal silicon ingot. A separate level controlled silicon pre-melting chamber provides a continuous source of molten silicon to the growth crucible advantageously eliminating the need for vertical travel and a crucible raising system during the crystal pulling process. A plurality of heaters beneath the crucible establish corresponding thermal zones across the melt. Thermal output of the heaters is individually controlled for providing an optimal thermal distribution across the melt and at the crystal/melt interface for improved crystal growth. Multiple crystal pulling chambers are provided for continuous processing and high throughput.

A light water reactor to safely convert depleted uranium into a fuel source that could be used as a sustainable source of energy for centuries. The reactor is a type of breed-burn reactor uniquely combined with a proliferation-resistant fuel cycle with no uranium enrichment and no plutonium isolation. It is comprised of a compact factory-produced fast region and a thermal region that produces about 95% of the core power and contains the passageways for transports of delayed-neutron emitters to the fast region, where they can provide additional neutrons (source-based mode) or all the necessary excitation without an external neutron source (self-regulating mode). A second embodiment of the invention is a small unit driven by a neutron source with beam recycling for propulsion, electrical power or radioisotope production. It could also serve as a demonstration facility for the transmutation reactor with fission-fusion fuel.

An implementation of a Czochralski-type crystal growth has been shown and embodied. More particularly, a furnace with suitable insulation and flow arrangement is shown to improve the cost-efficiency of production of crystals. That is achieved by the shown new hot-zone structure, gas flows and the growth process which can decrease the power consumption, increase the lifetime of hot-zone parts and improve the productivity, e.g., by giving means for opening the hot-zone and easily adapting the hot-zone to a new crystal diameter.

Methods of fabricating a glass laminate is provided. According to one embodiment, a glass laminate comprised of a microwave absorbing layer and a microwave transparent layer is formed. The microwave absorbing layer is characterized by a microwave loss tangent δ_H that is at least a half order of magnitude larger than a loss tangent δ_L of the microwave transparent layer. An area of the glass laminate is exposed to microwave radiation. The exposed area comprises a cross-laminate hot zone having a cross-laminate hot zone temperature profile. Substantially all microwave absorbing layer portions of the hot zone temperature profile and substantially all microwave transparent layer portions of the hot zone temperature profile reside above the glass transition temperature T_G of the various layers of the glass laminate prior to impingement by the microwave radiation. In accordance with another embodiment, a method of fabricating a glass laminate is provided where the exposed area of the glass laminate is characterized by a viscosity below approximately 1×10⁴ poise.

The invention discloses an unlocking method for a touch screen, comprising the following steps of: responding a touch event to obtain the position of a touch point; judging whether the position of the touch point is located in an unlocking response hot zone, if so, further judging whether an unlocking icon is moved into the unlocking response hot zone, and if so, responding a release event of the unlocking icon to obtain a release position of the unlocking icon; and judging whether the release position is located in the unlocking response hot zone, and if so, unlocking and entering an application program corresponding to the unlocking response hot zone. By using the method, the touch screen can rapidly enter the application program after being unlocked, and misoperaiton can be effectively reduced. In addition, the invention also provides an unlocking device of a touch screen and terminal equipment comprising the unlocking device of the touch screen.

The invention discloses a method for caching data. The method includes the steps that serialization processing is conducted on data placed in a cache; the cache is divided into a cold zone and a hot zone, and both the cold zone and the hot zone are of a bi-directional linked list structure; when the data are inserted into the cache, the data are firstly placed in the cold zone; when the data in the cache are hit, if the hit data are in the cold zone, whether the data are hit by preset times or not is judged, if yes, the data are transferred to the tail of the hot zone, if not, the data are transferred to the head of a linked list of the cold zone; if the hit data are in the hot zone, the data are transferred into the head of a linked list of the hot zone. By the adoption of the technical scheme, caching efficiency of the hot data is effectively improved.