The technological innovation of discrete devices can not ignore the actual needs of the market, and the improvement of device quality requires not only advanced chip manufacturing processes, but also the improvement of packaging technology is an important way to improve product quality.
From the market application, consumer electronics, computer and network communication are the traditional three major application markets for discrete devices. In recent years, the discrete device market in automotive electronics and electronic lighting is also growing rapidly. At present, although domestic discrete devices already have a certain industrial scale, their development still has a large gap compared with the domestic market demand. The rapid development of China's discrete device industry must be driven by continuous technological innovation.
Discrete device industry faces opportunities
The rapid development of the electronic information industry and the whole machine manufacturing industry has driven the development of the semiconductor discrete device industry. As an important part of the semiconductor industry, discrete devices have their own characteristics. "The integrated circuit is developing rapidly and its functions are getting stronger and stronger, but semiconductor discrete devices will continue to exist and develop in many fields. Just as humans have planes, they still need trains and cars." China Electronics Technology Group Corporation Li Songfa, director of the Science and Technology Commission, explained to reporters.
Discrete devices will continue to play an irreplaceable role in traditional applications such as high power, high voltage, and high current, and will play an indispensable role in many emerging applications. Tang Xuemin, general manager of the discrete device division of Hangzhou Silan Microelectronics Co., Ltd. said in an interview: "The whole machine market is steadily increasing, which has driven the continuous expansion of discrete device usage. With the advancement of integrated circuit technology, many peripherals are integrated. At the same time, the device is also driving the development of new functional devices. For example, with the development of CMOS (complementary metal-oxide-semiconductor) processes to deep sub-micron, higher requirements are imposed on ESD (electrostatic discharge) protection devices. The use of this device has increased dramatically. In addition, many power electronic devices have been greatly developed due to the emphasis on green, environmentally friendly, and energy-saving power supplies. For example, high-voltage MOS (metal-oxide-semiconductor) power transistors have been widely used in the power supply field. Applications, IGBT (Insulated Gate Bipolar Transistor) has also been used in the field of motor variable frequency drive."
With the breakthrough of device performance, discrete devices have expanded into many new application areas. “For example, with the continuous improvement of the performance of high-brightness blue-chip technology and the reduction of cost, large-scale full-color LED (light-emitting diode) displays can be applied in large quantities. At the same time, LEDs are used in outdoor landscape lighting, LCD (liquid crystal display) backlights, special The field of lighting and other fields have made great progress," Tang Xuemin added.
Shen Haoping, general manager of Tianjin Zhonghuan Semiconductor Co., Ltd., also expressed similar views to the reporter. He said: "Due to the pressure of energy and environment, power electronics has grown rapidly in recent years, especially in emerging industrial countries. Due to the relatively low energy efficiency, power electronics will have more room for development. From the perspective of consumer electronics, almost all portable products are bottlenecked in batteries, so power management can be said to be an eternal topic. Because many discrete device products have the characteristics of small batch, multi-variety and multi-standard, it is difficult for international manufacturers to monopolize technology. It can be seen that China's semiconductor discrete device companies are indeed facing good development opportunities.
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