53results about How to "Increase unit area" patented technology

The invention relates to a semiconductor device and a fabrication method thereof. A semiconductor device according to an aspect of the invention comprising: a semiconductor layer on a substrate; an isolation layer on the semiconductor layer; a source and a drain which are in contact with the semiconductor layer, each of the source and the drain comprises multiple fingers, and the multiple fingers of the source intersect the multiple fingers of the drain; and a gate on the isolation layer, the gate is located between the source and the drain and comprises a closed ring structure which encircles the multiple fingers of the source and the drain.

The invention provides a cast-in-situ hollow floor with pores formed by a reticular box-shaped component. The cast-in-situ hollow floor comprises a reinforced concrete girder or a profile steel girder, a reinforced concrete ribbed beam, an upper flange plate, a lower flange plate and the reticular box-shaped component, wherein the reticular box-shaped component comprises a box roof, a box body and a box bottom; the box roof is compounded with cement mortar, polyfoam or a panel; the box body and the box bottom are made of reticular bodies; each reticular body comprises a reticular plate, a reinforcing rib and a connecting net, which constitute an integral structure with mutual effect; each of the reinforcing ribs is V-shaped; the reticular box-shaped component comprises at least two reticular bodies; at least two structural slopes are arranged at the corner parts between the box bottom and the box body of the reticular box-shaped component; the reticular bodies of the reticular box-shaped component are made of a steel material or a molding material. The cast-in-situ hollow floor with the pores formed by the reticular box-shaped component adopts the unsealed reticular box-shaped component to substitute the existing fully-sealed hollow fillers and solid fillers as the cast-in-situ hollow floor pore-forming technology. The cast-in-situ hollow floor with the pores formed by the reticular box-shaped component is favorable to realization of building and energy conservation integration and the multifunctional floor.

The invention discloses a control method of a combined type air-conditioning system with a natural cooling function. The control method of the combined type air-conditioning system with the natural cooling function is characterized in that the system comprises a compressor module, an air-cooling heat exchange module, a multifunctional liquid storage device, a liquid pump, an air treatment module and control valves, wherein the air-cooling heat exchange module is composed of a heat exchanger assembly and a cooling fan; and the control method comprises the step that the three different work modes including a compression refrigeration work mode, a compression refrigeration and natural cooling coordinated operation combined refrigeration work mode and the natural cooling work mode are achieved by operating the control valves to change the flowing path of refrigeration media. According to the control method of the combined type air-conditioning system with the natural cooling function, fuzzy control is used for adjusting the refrigeration capacity, natural cooling is used for replacing compression refrigeration in low-temperature or transition seasons, natural cold resources are efficiently utilized, the control method is particularly suitable for control over the work environments of data centers, high-performance computers, communication base stations and power electronic equipment, and the energy consumption and operating cost of the air-conditioning system are greatly reduced.

The invention discloses a compound air conditioning system with a natural cooling function. The system is characterized by comprising a compressor module, an air cooling heat exchange module consisting of a heat exchanger module and a cooling fan, a multifunctional liquid accumulator, a liquid pump, an air treatment module and control valves; and a control valve is operated to change a flow path of a refrigerating medium to realize the following three different working modes: a compression refrigeration working mode, a compound refrigeration working mode of coordinated operation of compression refrigeration and natural cooling and a natural cooling working mode. The system adjusts the refrigerating capacity by using fuzzy control, applies natural cooling to replace compression refrigeration in low-temperature or transition seasons, efficiently uses a natural cold source, is particularly suitable for working environment control of a data center, a high-performance computer, a communication base station and power electronic equipment, and substantially reduces the energy consumption and the operation cost.

A pawl mechanism of a ratchet wrench, including a wrench main body, a pawl, a ratchet wheel and a shift member. Four engaging recesses are formed on a bottom of a first recess of the wrench main body. A first engaging channel and a second engaging channel are respectively formed on two sides of the pawl corresponding to two of the four engaging recesses of the wrench main body. A spring and a steel ball are disposed in each of the engaging channels, whereby the steel balls can be located in the corresponding engaging recesses of the wrench main body.

This invention relates to a power generating apparatus including two systems. In one of the systems, a hydrogen gas is generated by hydrolysis, and a hydrogen demanding unit generates electric power. In the other system, electric power is generated based on an oxidation-reduction chemical reaction of an electrode and ions.

A structure of the stacked inkjet head is composed of a stacked fluid structure and an actuator. At least one of the several plates in the stacked fluid structure has a junction with a tuning hole for enhancing the connection strength of the junction, accommodating overflown adhesive, and reducing structural deformation resulted from the temperature. The invention also avoids the troubles of inhomogeneous etching speeds when making nozzles or channels.

A method for producing a silicon carbon composite electroactive anode material (AM) capable to alloy is described. This method comprises (i) mixing micro sized silicon powder with micro sized polymer powder to produce a silicon-polymer-mixture, (ii) heating the silicon-polymer mixture in inert gas to pyrolysis temperature and keeping it there for a time sufficiently long to pyrolyze the polymer and to form a pyrolyzed polymer coated silicon, and (iii) milling said pyrolyzed polymer coated silicon in inert gas to form the silicon carbon composite electroactive anode material (AM). Such AM is suitably formed into electrodes by mixing it with e.g. polymer binder, electrically conductive additives and solvent, coating therewith a current collector and drying the coating. Such anodes are especially suitable for Li-ion electrodes.

A pawl mechanism of a ratchet wrench, including a wrench main body, a pawl, a ratchet wheel and a shift member. Four engaging recesses are formed on a bottom of a first recess of the wrench main body. A first engaging channel and a second engaging channel are respectively formed on two sides of the pawl corresponding to two of the four engaging recesses of the wrench main body. A spring and a steel ball are disposed in each of the engaging channels, whereby the steel balls can be located in the corresponding engaging recesses of the wrench main body.

The present disclosure generally relates to filter media compositions, apparatuses and systems for removing contaminants from fluids, as well as methods of using the same. In certain aspects the filter media comprises on or more halogenated resins (103) and one or more contaminant sorbent media (102, 104, 105, 106). The filter media of the present disclosure may be self-contained in a single unit or certain components may be housed in separate units acting in parallel or in series.

A structure of the stacked inkjet head is composed of a stacked fluid structure and an actuator. At least one of the several plates in the stacked fluid structure has a junction with a tuning hole for enhancing the connection strength of the junction, accommodating overflown adhesive, and reducing structural deformation resulted from the temperature. The invention also avoids the troubles of inhomogeneous etching speeds when making nozzles or channels.

The invention discloses a voltage regulating device. A third MOS (metal oxide semiconductor) transistor is serially connected between a ground and a source of a second MOS transistor as a compensation capacitor to form a diode structure, the current is provided for a serial connecting structure through a current source, and the serial connecting structure can provide a fixed voltage for a source and a drain of the second MOS transistor. The voltage regulating device has the advantages that the fixed voltage can be used for reducing the voltage of the second MOS transistor during actual working; when the output voltage of the voltage regulating circuit is the high voltage, the voltages of a grid, the source and the drain of the second MOS transistor can maintain the low voltage, so the second MOS transistor can adopt low-voltage devices, the required thickness of a grid oxidizing layer of the second MOS transistor is greatly reduced, and meanwhile, the capacitance of the unit area of the second MOS transistor is increased; under the condition of not changing the required compensation capacitor value, the area of the second MOS transistor is greatly reduced, so the area of the circuit is reduced, and the cost of a chip is reduced.

A casting method for an imbedded oil way steel pipe is used for avoiding product quality defects or scrapping caused by bad fusion in the casting process of an iron casting of an oil way steel pipe. According to the casting method for the imbedded oil way steel pipe, a steel pipe is in lap joint to a casting to be subjected to pouring, wherein the two ends of the steel pipe are provided with thread sections, the interior of the steel pipe is provided with a ventilation piece, the steel pipe is filled with resin sand, the fusion capability between the iron casting metal liquid and a steel oil pipe can be improved through the thread sections, and accordingly the problem that fusion of a steel pipeline and the iron casting metal liquid is not good is solved. Through the technology, the high casting inner pipeline can be obtained, and the problem that due to steel pipe imbedding, fusion between cast iron and steel is not good, and casting leakage is caused is greatly solved.

The invention discloses a textile dyeing and drying system. The textile dyeing and drying system comprises a controller, a temperature sensor, a humidity sensor, a support and at least one heating tube disposed on the support; and the heating tube is provided with a plurality of hot air holes, the support is fixedly disposed at a position of an outlet of a dyeing machine, the internal of the external of the heating tubes are provided with a hot air generation device, hot air is applied to a textile through the hot air holes in the heating tubes, the hot air generation device is connected with the controller, the temperature sensor and the humidity sensor are both disposed on the heating tubes, the temperature sensor acquires temperature information of the heating tubes, the humidity sensor acquires humidity information of the textile, and the temperature sensor and the humidity sensor are both connected with the controller. The system increases auxiliary drying equipment, effectively and rapidly performs drying after textile printing and dyeing are completed, saves working procedures, and improves working efficiency.

An abdominal external noninvasive fetal blood oxygen saturation degree detecting device comprises an abdominal external fetal oximeter and a signal detecting assembly connected with the abdominal external fetal oximeter, wherein the abdominal external fetal oximeter comprises a signal processing controller, and the signal detecting assembly comprises a luminous source device and a light receivingdevice. The luminous source device, the light receiving device and a reference signal detecting device are connected with the signal processing controller, and the luminous source device irradiates two or more different wavelengths of light into the abdomen of a pregnant woman. The light receiving device comprises multiple light receivers respectively arranged at multiple different abdominal external positions of the pregnant woman, acquires multiple light signals scattered and reflected back from the abdomen of the pregnant woman and relevant to fetal blood oxygen saturation degree, superposes the signals and then outputs light signal sum relevant to the fetal blood oxygen saturation degree to the signal processing controller so as to improve the intensity of received light signals.

The invention discloses an auxiliary support for lap joint of heat supply pipelines. The auxiliary support comprises a support member, a mounting base, a gas conveying channel, stop blocks and attaching pieces, wherein the inner end of the support member is in threaded connection with a threaded rod; the outer surface of the support member is in bearing connection with a movable rod; a first rotating shaft is arranged at the outer end of the movable rod in a penetrating mode; the upper end of the movable rod is in bearing connection with the mounting base; the outer side of the lower end of the movable rod is fixedly connected to a first pull rope; and the first pull rope is connected to the inner side of the support member. According to the auxiliary support for lap joint of the heat supply pipelines, an abutting piece making contact with a pipe fitting in advance is stressed along with automatic upward movement of the mounting base according to the height of the pipe fitting, and then the stop blocks connected to the abutting piece are stably driven to move inwards by the corresponding pull ropes through meshing structures between the abutting piece and gears, so that the workingeffect of automatic limiting is achieved on the outer side of the pipe fitting; and meanwhile, a third pull rope in butt joint with the upper end of the pipe fitting drives the two sets of attachingpieces to synchronously move downwards, and then the working effect of secondary self-limiting on the upper end of the pipe fitting is achieved.

Under a normal environment, when red, green and blue displays are to be performed, the displays are performed singly by a red pixel, a green pixel and a blue pixel respectively, and under a high-illuminance environment, when the red display is to be performed, the display is performed by also shining the pixels other than the red pixel simultaneously, when the green display is to be performed, the display is performed by also shining the pixels other than the green pixel simultaneously, and when the blue display is to be performed, the display is performed by also shining the pixels other than the blue pixel simultaneously, thereby increasing the luminance of a screen. In this case, although the chromaticity of each color is lowered, since the luminance works more predominantly on the image quality under the high-illuminance environment than the chromaticity, image quality degradation does not occur.

The invention provides a cast-in-situ hollow floor with pores formed by a combined reticular box-shaped component. The cast-in-situ hollow floor comprises a reinforced concrete girder or a profile steel concrete girder, a reinforced concrete ribbed beam, an upper flange plate, a lower flange plate and the combined reticular box-shaped component, wherein the combined reticular box-shaped component comprises a box roof, a box body and a box bottom; the box body and the box bottom are made of reticular bodies; reinforcing ribs of the reticular bodies are vertically placed; each reticular body comprises a reticular plate, the reinforcing rib and a connecting piece, which constitute an integral structure; the lower flange plate is directly compounded with the reticular bodies at the box bottom of the combined reticular box-shaped component. The cast-in-situ hollow floor with the pores formed by the combined reticular box-shaped component adopts the unsealed combined reticular box-shaped component to substitute the existing fully-sealed hollow fillers and solid fillers as the cast-in-situ hollow floor pore-forming technology. The cast-in-situ hollow floor with the pores formed by the combined reticular box-shaped component is beneficial to realization of energy conservation integration of a building and the multifunctional use of hollow floor.

The invention discloses a working electrode of a dye-sensitized solar cell, which is characterized in that the interior of the working electrode of the dye-sensitized solar cell is added with a conductive micro-channel so as to enhance capture and collection efficiency of electron and avoid electron hole recombination, thus improving the efficiency and other performance indicators of the solar cell. The invention has novel design and feasible preparation, therefore the invention is an effective way for improving the efficiency of the dye-sensitized solar cell.

The invention relates to a semiconductor device and a fabrication method thereof. A semiconductor device according to an aspect of the invention comprising: a semiconductor layer on a substrate; an isolation layer on the semiconductor layer; a source and a drain which are in contact with the semiconductor layer, each of the source and the drain comprises multiple fingers, and the multiple fingers of the source intersect the multiple fingers of the drain; and a gate on the isolation layer, the gate is located between the source and the drain and comprises a closed ring structure which encircles the multiple fingers of the source and the drain.

An integrated circuit emulating a neural system and a fabricating method thereof are provided. A synapse device array that imitates a brain neural system (i.e., a central nervous system) requiring high integration on the same substrate is formed by stacking one or more layers on a lower portion, and a neuron circuit of a peripheral nervous system having sensory and motor neurons connected to the brain neural system is formed on an upper portion.

The invention discloses a method for searching for honeycombs of wild wasps and bees through a telescope. The method includes the steps that in the area where wild wasps or bees appear, the telescopic is pointed at sky, the vision edge of a lens is moved close to the contour of tree branches or a mountain body in front, and a flying female bee is searched for till being found; after a female bee appears in the vision of the lens, a target is locked and traced till the target disappears; the position of a target disappearing point and a nearby reference substance are recorded; the target disappearing point and a surrounding area are searched for, and whether the target disappearing point is a honeycomb or a feeding point is judged; when the target disappearing point is a honeycomb, searching ends, and when the target disappearing point is a feeding point, searching continues; the feeding situation of a female bee is observed at the feeding point, and the female bee is traced through the telescope after flying away with food till the target gets back to the honeycomb or disappears; the position of the honeycomb point or the target disappearing point and a nearby reference substance are recorded; the honeycomb is found and searching ends, or searching is repeatedly conducted on the surrounding area of the target disappearing point till the honeycomb is found. By means of the method, the honeycomb of wild wasps can be rapidly and safely found, the resources of wild wasps are reasonably utilized, and the number of wild wasp populations is controlled.

The invention discloses a novel double-acting press machine, and belongs to the field of double-acting press machines. According to the novel double-acting press machine, a mold closing sliding blockis hoisted below a formed sliding block in a unpowered mode, a series of variable magnetic devices are arranged inside the mold closing sliding block, a variable magnetic unit can be an electromagnetic magnetic pole unit or an electric control permanent magnet magnetic pole unit; and mold closing force is generated by attracting a sucked plate when the variable magnetic unit in the mold closing sliding block is electrified. According to the machine, the mold closing sliding block does not need to be driven by a complicated mechanical transmission structure or a hydraulic loop, and the internalstructure of the double-acting press machine is greatly simplified; the application of the mold closing force of the mold closing sliding block is large in an unit area, uniform in distribution, andsafety and reliability are achieved; during the whole working process, the magnetizing and demagnetization time is very short, and the change of the working state can be quickly responded; the double-acting press machine is similar to an existing double-acting press machine in function, and is completely capable of adapting to the work of the existing double-acting press machine.

The invention relates to an open type solar heating and hot water supplying device, wherein a solar collector is combined with an electric or gas boiler. The open type solar heating and hot water supplying device includes the following: the solar collector for collecting solar energy and heating the recycling medium liquid; a heat storage box for heating water by heat transfer; an open type box body communicated with the heat storage box; a first check valve arranged at the entrance side of the open type box body; a recycling pipe arranged at the exist side of the open type box body; and a boiler, which is connected with the heat storage box, and heats the flow-in water for supplying water to a water heater or a heating device. In the invention, the prior water heated first by solar energy is heated for the second time by solar energy, thereby heat supply can be realized with a few fuel, heating cost can be saved, exhaust gas can be decreased, and environment pollution can be prevented.

The invention discloses a control method of a combined type air-conditioning system with a natural cooling function. The control method of the combined type air-conditioning system with the natural cooling function is characterized in that the system comprises a compressor module, an air-cooling heat exchange module, a multifunctional liquid storage device, a liquid pump, an air treatment module and control valves, wherein the air-cooling heat exchange module is composed of a heat exchanger assembly and a cooling fan; and the control method comprises the step that the three different work modes including a compression refrigeration work mode, a compression refrigeration and natural cooling coordinated operation combined refrigeration work mode and the natural cooling work mode are achieved by operating the control valves to change the flowing path of refrigeration media. According to the control method of the combined type air-conditioning system with the natural cooling function, fuzzy control is used for adjusting the refrigeration capacity, natural cooling is used for replacing compression refrigeration in low-temperature or transition seasons, natural cold resources are efficiently utilized, the control method is particularly suitable for control over the work environments of data centers, high-performance computers, communication base stations and power electronic equipment, and the energy consumption and operating cost of the air-conditioning system are greatly reduced.

A plasma reaction chamber includes a chamber housing having two inner connection passages for connecting two vacuum chambers to other vacuum chambers. Two vacuum chambers and two inner connection passages form a continuous discharge path. At least one magnetic core is mounted in two vacuum chambers or two inner connection passages, and a coil connected to a power source is wounded around the magnetic core so as to transfer induced electromotive force to the continuous discharge path. The plasma reaction chamber is configured so that at least two vacuum chambers are integrated in a multiple arrangement, and common parts are shared in common, so that at least two substrates may be treated in parallel at the same time, thereby improving productivity per unit area and making it possible to construct a low-cost and high-efficient substrate treatment system.

The invention discloses an integrated resistive memory and a preparation method thereof, comprising a substrate, an imprint layer, a bottom electrode layer, an isolation layer, a resistive layer and atop electrode layer. The material of the substrate is silicon dioxide sheet or glass; The material of the imprint layer and the spacer layer is polymethyl methacrylate or polystyrene material; The metal conductive layer is made of silver or gold; The resistive layer penetrates the isolation layer and the bottom electrode layer to a certain depth to the imprint layer; The resistive layer materialis hafnium oxide or copper oxide; The top electrode layer is aluminum or platinum. The preparation method provided by the invention does not need to use the traditional photolithography process technology, has simple manufacturing process and low investment in equipment and raw materials, can realize large area, multi-layer, good consistency and integrated manufacturing of RRAM, and can remarkablyreduce the cost of integrated manufacturing process of RRAM.

We report an electro-deionization (EDI) device having split flow arrangement for the purification of second pass RO permeate water with high flow rate in which the feed water is fed through the center port and is diverted into each section of dilute chamber with equal flow rate, producing two product streams. The EDI device has concentrate chambers adjacent to dilute chambers in two sections of the stack, allowing independent flow through the separate sections. The split flow design reduces resin bed depth requirement for processing of second pass RO permeate water. This results in higher flow rate through the stack, elimination of the pressure drop limitation, and reduction of power consumption per unit volume of water.

The invention discloses a preparation method of an ultra-fine white tea. The preparation method comprises 1) crushing: feeding a white tea into a crusher and crushing the finished white tea to obtain an ultra-fine white tea, 2) collection and bagging: collecting and bagging the ultra-fine white tea having desired granularity, and 3) filtration and collection: inducing the ultra-fine white tea particles having granularity less than the standard into a bag-type collector under action of induced air and carrying out filtration and collection through a cloth bag.