In the chip, LCD panel, the configuration of a variety of electronic components and many other things, let the author feel "really is time" place is cooling measures. The use of heat pipe, heat sink, soaking plate, so easy to heat the components to release heat, each product has its own characteristics, reflects the developer's design ideas. Now, a material company is working hard to add new ways to these cooling measures, the company is the development of ceramic materials, Nishimura pottery. The company plans to promote the use of thermal measures is the high thermal emissivity of ceramic circuit boards. Heat dissipation measures consultant, representative director of ThermalDesignLaboratory Shang Guo Shang Shu said that heat transmission has "heat conduction", "convection", "heat radiation" three forms, the spread of lattice vibration, the movement of free electrons in metals are "heat conduction" , Fluid motion heat transfer is "convection", heat transfer through electromagnetic waves is "thermal radiation." Nishimura ceramic industry development is the use of ceramic materials for infrared radiation heat. The third method to improve the thermal performance of components The advantage of the thermal radiation method is that the heat can be released when the enclosure is closed and thin and the heat can not be transferred by convection. Some technicians have long known this advantage, but few have made good use of them. However, according to Nishimura Takayama introduced recently using thermal radiation LED lighting products have increased. Among them, a Japanese lighting company to its application from the light projector and other large LED lighting to lamps and other small products for a variety of purposes. Through the use of thermal radiation cooling, you can improve the projector's cooling efficiency, eliminating the need to use the cooling fan. Not using a cooling fan can reduce the risk of failure (the fan is paralyzed by some kind of failure, which makes it impossible to dissipate heat). Moreover, no dust is needed because of eliminating the need for multi-plate fins, eliminating the need for cleaning. In the manufacture of table lamps, through the use of heat radiation cooling, the success of the light source near the shell of the ultra-thin design. Interestingly strong, whether it is large-scale products, or small products, ceramic industry to the lighting equipment company Nishimura ceramic circuit boards are basically the same. The ceramic circuit boards are all horizontal hexagons with a length of 55 mm, a width of 30 mm and a thickness of about 6 mm. The multi-chip LED module is fixed on the circuit board with screws. The maximum power can be used for high-power LED module 19W. Large-scale products use multiple screws to fix the LED module on the ceramic circuit board, a small product. The ceramic circuit board is made of 99.7% pure alumina with a emissivity of 0.97. The surface is smooth, the average roughness is 0.5μm, the LED module is directly fixed on the surface of the circuit board by screws. Compared with metal circuit boards and printed circuit boards, ceramic circuit boards face the problem of high cost. However, if we can increase the mass production effect through the common use of ceramic circuit boards, we can curb the cost increase to some extent. This requires increasing the number of production, but as of now, mass production has not yet started because of the high cost of business ceramic board fear of fear. In view of this situation, Nishimura ceramic industry said that the use of ceramic circuit boards, used to install the LED module board and heat sink cooling components such as the total cost can be reduced in the future to plan to use this cooling cost as a selling point to advertise. The reason why the company is so confident is that companies using the company's lighting products in the comparison of the use of ceramic products and the use of traditional thermal design of the product, and consider the total cost, without exception, the choice of ceramic circuit boards . The general idea of ​​the total cost of compression can be universal, I will pay close attention in the future. Perhaps, through the shape of a simple LED lighting devices to increase whether to predict the extent of popularity. Stainless Steel Dutch Weave Mesh
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