With the development of cutting-edge technology, many new materials are gradually reused, aluminum nitride ceramics is one of them. Aluminum nitride ceramics sintering temperature up to 2000 degrees Celsius, is a kind of high hardness and high thermal conductivity compound ceramics, because of its excellent performance is often used in the semiconductor industry.
There is a great difference between the sintered and pre-sintered Al nitride ceramics and the tolerance cannot be guaranteed. In some high precision instruments, even a small screw, precision requirements are very high. So in order to use aluminum nitride ceramic custom accessories, we have to go through secondary processing.
Because of its high hardness, the tool used for processing aluminum nitride ceramics is the hardest diamond tool. Diamond tool is also a kind of ceramic, is consumable, processing an aluminum nitride ceramic accessories often need to consume several tools, the price of a tool is basically over 100. In addition, aluminum nitride ceramics are easy to crack or white edges during processing, and serious ones will even crack. Once there are unsolvable defects, this product will have to be made again. Even if the rate of good products is high, the loss of the cutting tool fee is a lot.
This is only the cost of cutting tools and materials, not counting the cost of processing labor, some accessories need to use fixture and fixture and other auxiliary tools, these need to be specially prepared, the cost is also a lot.
Typical applications in the semiconductor industry are aluminum nitride ceramic heating plate, aluminum nitride ceramic electrostatic chuck, aluminum nitride ceramic base, aluminum nitride ceramic clip ring and aluminum nitride ceramic cover plate and other precision accessories. In addition, aluminum nitride ceramics can be used as crucible for melting non-ferrous metals and semiconductor materials gallium arsenide, evaporation boat, protective tube of thermocouple, high temperature insulation parts, and can be used as high temperature and corrosion resistant structural ceramics, transparent aluminum nitride ceramic products, so it has become a kind of inorganic materials with wide application prospects.
In this digital age, data are transparent, and the material price of aluminum nitride ceramics is known to everyone, so it is hard to understand why the price gap between materials and finished products is so big. But manufacturers also need to make profits to survive, seemingly simple processing consumption is also a lot, it is not surprising that their unit price looks high.
A penny of goods, specifically we need to think before you do, some manufacturers quote low prices, just occupy a price advantage. If you don't care about the quality and precision of the product and so on, there is really nothing to think about, buy cheap.
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