94results about How to "Prevent heat from spreading" patented technology

A coated hard metal for a cutting tool is excellent in wear resistance and chipping resistance. The coated hard metal includes a hard coating layer on a surface of a base material of cemented carbide or cermet. The hard coating layer includes an inner layer (2) on the base material (1), an intermediate layer (3) on the inner layer (2) and an outer layer (4) on the intermediate layer (3). The inner layer (2) consists of a carbide, a nitride, a carbo-nitride, a carbo-oxide, a carbonitrogen oxide or a boronitride of Ti. The intermediate layer (3) consists of Al2O3 or ZrO2. The outer layer (4) consists of a carbide, a nitride, a carbo-nitride, a carbo-oxide, a carbonitrogen oxide or a boronitride of Ti. The thickness of the inner layer (2) is 0.1 to 5 mum, the thickness of the intermediate layer (3) is 5 to 50 mum in the case of it being an Al2O3 layer and 0.5 to 20 mum in the case of it being a ZrO2 layer, and the thickness of the outer layer (4) is 5 to 100 mum.

A semiconductor device has a semiconductor layer of silicon which has a plurality of element formation regions, and a trench isolation region for isolating the plurality of element formation regions from each other. The trench isolation region is formed by filling a trench formed in an upper part of the semiconductor layer with an insulating metal nitride. A thermal expansion coefficient of the insulating metal nitride is closer to that of silicon than a thermal expansion coefficient of silicon oxide is to that of silicon.

A vapor delivery needle is provided that may include any of a number of features. One feature of the energy delivery probe is that it can apply condensable vapor energy to tissue, such as a prostrate, to shrink, damage, denaturate the prostate. In some embodiments, the needle can ablate a continuous lobe region in the prostate parallel to the urethral wall. Another feature of the vapor delivery needle is that it can introduce a cooling fluid into the urethra during treatment. Methods associated with use of the energy delivery probe are also covered.

A thermal processing system has a processing vessel 4, a support post 30 stood on the bottom wall of the processing vessel 4, and a support table 32 internally provided with a heating means 38 and supported on the support post 30. A workpiece W is placed on the upper surface of the support table 32 and is subjected to a predetermined thermal process. The upper, the side and the lower surface of the support table 32 are covered with heat-resistant covering members 72, 74 and 76 to prevent the thermal diffusion of metal atoms causative of contamination from the support table 32. thus, various types of contamination, such as metal and organic contamination, can be prevented.

The thermal detector includes a substrate, a thermal detector element including a light absorbing film, a support member supporting the thermal detector element and supported on the substrate so that a cavity is present between the member and the substrate, and at least one auxiliary support post of convex shape protruding from either the substrate or the support member towards the other. The height of the at least one auxiliary support post is shorter than the maximum height from the substrate to the support member.

A vapor delivery needle is provided that may include any of a number of features. One feature of the energy delivery probe is that it can apply condensable vapor energy to tissue, such as a prostrate, to shrink, damage, denaturate the prostate. In some embodiments, the needle can ablate a continuous lobe region in the prostate parallel to the urethral wall. Another feature of the vapor delivery needle is that it can introduce a cooling fluid into the urethra during treatment. Methods associated with use of the energy delivery probe are also covered.

A compact, thin type and high cooling performance cooling device, an electronic apparatus and a method of manufacturing the same are provided. The cooling device (1) has a pair of a first substrate (2) and a second substrate (3) which are made of such a material having a low thermal diffusibility as glass, formed rectangular and bonded together via a silicon member (4). On bonding surfaces of these substrates (2) and (3), grooves (5) and (6) are formed. These grooves (5) and (6) are formed so as to function as a heat pipe of a loop type when these substrates (2) and (3) are bonded.

In a bipolar transistor including a base layer made of SiGe, a non-did SiGe layer and a non-doped Si layer are provided between the base layer and an emitter layer. The composition ratio of Ge in the emitter side of SiGe base layer is decreased with increasing proximity to the emitter side, and the composition ratio of Ge in the non-doped SiGe layer is a smaller than the composition ratio of Ge at the emitter layer-side end of the SiGe base layer. In this manner, restriction is put on the diffusion of boron from the base layer to the emitter side, and the base-emitter junction capacitance CBE reduced. Furthermore, the direct-current gain beta can be improved by increasing the composition of Ge at the emitter end of the SiGe base layer to more than or equal to a predetermined value.

The invention discloses a battery module and a new energy automobile. The battery module comprises a frame structure; the frame structure is internally provided with a plurality of electric core units in an arraying manner; each electric core unit comprises a monomer electric core, a heat conduction sheet and a heat insulation sheet; each monomer electric core has a positive electrode ear and a negative electrode ear on at least one end part; one side of each heat conduction sheet is provided with the monomer electric core for conducting electric core heat, and the other side of each heat conduction sheet is provided with the heat insulation sheet for preventing heat transfer between the monomer electric cores of the adjacent electric core units. The battery module has high heat transfer efficiency and high cooling and heating efficiency of a battery pack.

A thermally assisted magnetic recording method includes the following steps. The recording layer of a magnetic recording medium is irradiated with a laser beam to produce a locally heated region. This heated region is moved by causing the recording layer and the laser beam to move relative to each other. To record desired information, a recording magnetic field is applied to the heated region of the recording layer. The laser beam has a cross section elongated in the direction in which the heated region is moved.

An object of the present invention is to prevent the thin film device formed by laser annealing from making, due to overheat, abnormal operations. Firstly, on a glass substrate 101. a heat insulating film, a silicon oxide film and an amorphous silicon film are formed in succession, and the amorphous silicon film is irradiated from above with a laser beam of an excimer laser. After being molten, the amorphous silicon film undergoes recrystallization to form a polycrystalline silicon film. Subsequently, using the polycrystalline silicon film as an active layer, a TFT is formed, and then a plastic substrate is bonded onto the TFT, and finally the glass substrate is peeled off by way of the heat insulating film, whereby a transfer of the TFT is completed. Because the heat insulating film is removed, abnormality caused by overheat at the time of operation is well prevented from occurring.

A compact, thin type and high cooling performance cooling device, an electronic apparatus and a method of manufacturing the same are provided. The cooling device (1) has a pair of a first substrate (2) and a second substrate (3) which are made of such a material having a low thermal diffusibility as glass, formed rectangular and bonded together via a silicon member (4). On bonding surfaces of these substrates (2) and (3), grooves (5) and (6) are formed. These grooves (5) and (6) are formed so as to function as a heat pipe of a loop type when these substrates (2) and (3) are bonded.

Provided is a method of producing a planographic printing plate, including: subjecting a planographic printing plate precursor, which has a support and a positive-working image recording layer, to image-wise exposure; and developing it using an alkaline aqueous solution which contains a specific compound and has a pH of from 8.5 to 10.8, in this order. The recording layer has: a lower layer containing a water-insoluble and alkali-soluble resin and an infrared ray absorbing agent; and an upper layer containing a water-insoluble and alkali-soluble polyurethane resin and a polyorganosiloxane. The specific compound is a nonionic or anionic surfactant, or at least one compound represented by Formula (1) or (2), wherein R11, R12, and R13 each represent an alkyl group; R14 represents an alkylene group; and R15 represents a single bond or a divalent linking group containing a hetero atom; and R21, R22, and R23 each represent an alkyl group.

The invention discloses a protective device for thermal runaway of a power battery of an electric automobile. A battery shell is arranged outside a battery module, the battery module is composed of abattery cell, an explosion-proof valve is arranged on the side face of the battery shell, a fireproof cover is fixed in the top of the battery shell, and a protective interlayer is directly arranged between the fireproof cover and the battery shell. Thermal runaway can be prevented to the maximum extent, when thermal runaway occurs, thermal diffusion is prevented to the maximum extent, various parameters in the power battery are monitored through the early warning system, an alarm is given to personnel before a fire occurs, and escape time is reserved.

The invention provides an immersed liquid cooling battery pack. The battery pack includes a case cover, a battery box forming the sealed space with the box cover, a steam guide plate which is a wedge-shaped plate with the middle protruding upwards, a partition plate which is mounted in the middle of the battery box and divides the battery box into an upper box and a lower box, a steam hole which is positioned at the middle of the steam guide plate and is communicated with an upper box and a lower box, two liquid leakage grooves which are formed on two sides of the steam guide plate correspondingly and communicate with the upper box and the lower box, a battery mounted and fixed in the lower box, the cooling liquid which is injected into the lower box to soak the battery, a power fan mounted and fixed on the steam hole on the steam guide plate, a stirring fan which is fixedly arranged at the bottom of the lower box and is soaked by the cooling liquid, a cooling fan mounted and fixed onthe box cover, and a rotating shaft is a rotating shaft which is fixedly mounted by the power fan, the stirring fan and the cooling fan together, wherein the the cooling liquid is low-boiling-point insulating liquid with the boiling point of 30-70 DEG C.

The invention relates to an ultrafast laser machining device for blade punching based on a cold machining mode. The ultrafast laser machining device comprises an ultrafast laser system, a light beam shaping part, a laser machining head and a blade clamp and control system. The ultrafast laser system can be a picosecond laser system or a femtosecond laser system. The light beam shaping part comprises a plurality of lens and optical elements. The laser machining head comprises a reflecting device located on the upper portion and a focusing lens located on the lower portion. The blade clamp and control system is used for adjusting the position and posture of a blade accurately.

The invention provides a battery buffering, heat-insulating and cooling plate, a power battery pack and an automobile, and aims to reduce the possibility of thermal runaway of a battery, avoid the thermal runaway and improve the mechanical safety of the battery pack when the battery pack is mechanically impacted. According to the invention, the battery buffering and cooling plate is bent for multiple times to form a plurality of U-shaped cavities, and the battery buffering, heat-insulating and cooling plate comprises a heat-insulation layer, a buffer support cooling layer and a bottom layer which are connected in sequence; the buffer support cooling layer comprises: a side surrounding frame which is fixed on the bottom layer, and an upper flat plate which is mounted at the top of the sidesurrounding frame; the side surrounding frame and the upper flat plate form a containing space, a plurality of hollow cylinders arranged in a staggered mode are fixedly arranged in the containing space, and an inlet allowing cooling liquid to flow into the containing space and an outlet allowing the cooling liquid to flow out of the containing space are formed in the side wall of the side surrounding frame.

The invention discloses a soft package non-modular power battery system which comprises an upper cover and a lower box body assembly which are fixedly connected, and a battery management system, a pressing rod assembly, a low-voltage wiring harness, a soft package battery cell assembly, a high-voltage assembly, a cross beam assembly and a liquid cooling system are sequentially arranged between theupper cover and the lower box body assembly from top to bottom. According to the technical scheme, a modular structure is avoided, soft package battery cells are directly integrated into the batterybox, the process of integrating the battery cells into a module is omitted, the assembly error caused by intermediate integration of the module is omitted, the process is simplified, and the cost is reduced; the system is non-modular, materials such as a module shell, a module end plate and a heat conduction structural adhesive are omitted, the weight is obviously reduced, the cost is obviously reduced, a heat exchange path is changed into a battery cell, heat conduction structural adhesive and liquid cooling pipe, the heat transfer path is shortened, and the efficiency is improved.

The invention provides a C-doped Sc-Sb-Te phase change memory material, a phase change memory cell, and a method for fabricating the same. The Sc-Sb-Te phase change memory material is a Sc-Sb-Te phasechange memory material. In the doped Sc-Sb-Te phase change memory material, the atomic percentage of C is 1% to 40%. The Sc-Sb-Te3 is doped with C, and since C is a low-thermal-conductivity material,thermal diffusion can be well avoided. Further, the good conductivity of C ensures good conduction of the material. Under the effect of external energy, the C-doped Sc-Sb-Te3 phase change memory material can reversibly switch between a high-resistance state and a low-resistance state, and a resistance ratio of the high-resistance state to the low-resistance state can reach two orders of magnitude. When used as the storage medium of a phase change memory, the phase change memory cell not only has the advantages of fast phase change speed and low write operation current, but also is greatly improved in the high-temperature data retention and the reliability. The phase change memory using the phase change memory cell structure of the invention has superiorities of high speed, low power consumption, and good data retention.

The invention relates to a heat insulation plate, a battery module and a battery pack. The heat insulation plate comprises a heat insulation frame, a composite heat conduction material layer and a heat shrinkage film. The heat insulation frame is a supporting frame with an opening. The thermal shrinkage film is connected with the opening of the heat insulation frame so as to surround the heat insulation frame to form a containing cavity. The containing cavity is filled with the composite heat conduction material layer, when the temperature is within the normal temperature range, the compositeheat conduction material layer can play a good heat conduction role, and the composite heat conduction material layer and the heat insulation frame form at least one contact interface. When the environment temperature reaches a preset temperature, the thermal shrinkage film deforms and falls off from the opening of the heat insulation frame, the composite heat conduction material layer is changedinto a liquid state in phase, and the composite heat conduction material layer flows out from the opening of the heat insulation frame. At this time, only the heat-insulating frame remains on the heatinsulation plate, and the average heat conductivity coefficient of the heat insulation plate is reduced, thereby suppressing heat propagation.

A semiconductor device having a self-aligned contact hole is formed by providing a side wall oxide film on a gate electrode, covering the gate electrode and the side wall oxide film by an oxide film and further covering the oxide film by a nitride film, wherein the oxide film is formed by a plasma CVD process with a reduced plasma power such that the H2O content in the oxide film is less than about 2.4 wt %.

The invention provides a vehicle, and a fault detection method and device for a battery pack. The battery pack comprises a plurality of battery modules. The method comprises the following steps: obtaining the temperature of a first detection point of each battery module so as to obtain a first temperature detection value; obtaining the temperature of a second detection point of each battery moduleto obtain a second temperature detection value; and determining the connection state of the corresponding battery module according to the temperature difference between the first temperature detection value and the second temperature detection value of each battery module. Therefore, the temperatures of the two detection points on each module in the battery pack are monitored, so the electric connection state of the battery pack is pre-judged, the characteristics of real-time monitoring and real-time diagnosis on the whole vehicle can be achieved, the potential risk failure of the battery pack is recognized in advance, diagnosis is made in advance, heat diffusion caused by looseness of copper bar connecting bolts in the battery pack is avoided, and the safety of the whole vehicle is improved.

The invention discloses an immersed liquid-cooled battery energy storage system and a working method thereof.The immersed liquid-cooled battery energy storage system comprises a battery cabinet and a circulation system module, and the battery cabinet comprises at least one battery module; the battery module comprises a battery box filled with temperature-adjusting insulating liquid and a battery pack which is positioned in the battery box and is immersed in the temperature-adjusting insulating liquid; the circulating system module is connected with the battery box and comprises a fire extinguishing system suitable for spraying fire extinguishing cooling liquid to the battery cabinet when the battery cabinet is in a fire disaster; wherein the temperature-adjusting insulating liquid and the fire-fighting cooling liquid are the same medium, and are jointly driven by the circulating system module to circulate. Cooling and fire fighting of the battery are integrated, the safety, stability and adaptability of the battery energy storage system can be greatly improved, and the problems that in the existing cooling technology, the capacity density is low, and in the fire fighting technology, the system is complex, and the cost is high are solved.

The invention relates to a harmful gas purifier, and provides a cleaning facility capable of stably removing a harmful gas discharged from a semiconductor manufacturing process in safety for a long time by inhibiting the lowering of a decomposition ratio of a treated harmful gas and the accumulation of powdered matter on a wall face of a decomposition chamber without using a large-scaled or complicated constitution. In this cleaning facility for removing the harmful gas discharged from the semiconductor manufacturing process by thermally decomposing the harmful gas by the combustion waste gas or flame obtained by burning the fuel, a side face of the thermal decomposition chamber is a wall having air permeability and heating insulating property, and the oxygen-containing gas is introduced into the thermal decomposition chamber through the wall.

A composite membrane material characterized by comprising a hydrogen-permeable membrane which is selectively permeable to hydrogen and is formed by rolling to a thickness of 30 μm or less which is difficult for the membrane by itself to retain its shape, and a shape-retention mesh which is disposed on at least one side of the hydrogen-permeable membrane and is composed of a wire of a high-melting metal which does not cause thermal diffusion into the hydrogen-permeable membrane, wherein the hydrogen-permeable membrane and the shape-retention mesh are superposed and subjected to a pleat processing in a non-bonded state so that they are separable and the hydrogen-permeable membrane has a surface area increased at least 3 times per unit area. This material is used to constitute a hydrogen separation element.