The sapphire substrate industry needs to improve its technical strength to break through the predicament

Abstract At present, the progress made in the global sapphire substrate industry is mainly reflected in three aspects. First of all, the sapphire substrate sheet has a large-scale trend, and the proportion of 4-inch and 6-inch wafer shipments continues to increase. Some sapphire companies have begun to develop and test 8-inch wafers. ...
At present, the progress made in the global sapphire substrate industry is mainly reflected in three aspects.

First of all, the sapphire substrate sheet has a large-scale trend, and the proportion of 4-inch and 6-inch wafer shipments continues to increase. Some sapphire companies have begun to develop and test 8-inch wafers. This is mainly because the large-sized substrate sheet is advantageous for the efficiency improvement and cost reduction of the MO epitaxy.

Secondly, the crystal growth technology of more than 80 kg is becoming more and more mature. Along with the large-scale trend of sapphire substrate sheets, sapphire crystals have also developed to a large kilogram, and the crystal weight has grown from the previous 30kg to 50kg to the current 80kg to 100kg. Similarly, the mature mass production of large kilogram sapphire crystals is conducive to the decline in the cost of crystal growth.

Finally, R-to-non-polar substrates are beginning to be used in SOS radio frequency integrated circuits (RFICs). Their higher RF characteristics, smaller footprint and lower energy consumption can be widely used in smartphones, including smartphones. In consumer electronics.

However, it is undeniable that the sapphire industry still faces a large development dilemma. Irrational project investment leads to poor crystal quality, low substrate quality and weak product competitiveness. The disorderly competition between enterprises at low prices is also very obvious. Many enterprises are difficult to sustain and have appeared before. A wave of shutting down and turning tide.

However, Tiantong believes that after the irrational development in the early stage, the sapphire industry has gradually embarked on a healthy development path and is emerging with a mature attitude and a new vitality and vitality. At present, Tiantong's production and sales are booming, supply pressure is obvious, and the growth of market demand is believed to continue.

We have long been optimistic about the development of the sapphire industry, and insist on innovation and development, focusing on the development of large-size, high-quality, cost-effective sapphire crystals and substrates. In the next step, we will develop high-quality crystals of more than 100kg according to the technical development direction of the market, further improve efficiency, improve the process capability of capturing large-size substrates, develop C-direction and non-polar substrates of 6 inches or more, and develop SOS. A large-size sapphire substrate for high-end market demand. At the same time, it will further increase production capacity and form an annual production capacity of 1.15 million 4-inch substrates in the future.

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