The semiconductor industry is one of the most important industry of the electronic information industry chain, it is the integrated chip industry, LED industry, photovoltaic industry and other industries to provide important basic materials, a great impact on the electronic information industry. The middle of the last century, the successful development of the invention and the silicon integrated circuit silicon wafer and semiconductor transistor, caused the third technology revolution; the last century invention of quartz optical fiber materials and GaAs laser in the early 70, promoted the rapid development of optical fiber communication technology, and gradually formed a high-tech industries, so that mankind has entered the information age.
Semiconductor products are widely used in electronic industry and microelectronic industry, used for making various transistor, integrated circuit, solid-state lasers and other precision components.
A senior industry expert said: semiconductor materials can be divided into three generations. The first generation of semiconductor silicon; the second generation semiconductor is a GaAs as representatives; the third generation semiconductor using gallium nitride as representative, it transformed performance in the electrical and optical outburst, efficiency in microwave signal transmission is higher, so it can be widely applied to lighting, display, communication and other various fields.
Now popular LED wave of gallium nitride semiconductor light-emitting diode, first as a major breakthrough in the LED lighting industry, it also greatly promote the consumption of metal gallium. The current LED Gan chip is usually based on sapphire or silicon carbide substrate wafers. The substrate of LED chip has great defects, if the use of gallium nitride wafer as a substrate, not only can effectively solve the problem of heat dissipation during light emission, but also make the unit area up to 10 times the brightness. In 2014 Nobel physics prize winner Nakamura Shuji pointed out, GaN on GaN LED technology in the near future will replace the first generation LED technology has become the mainstream of the development of the existing LED, and the GaN substrate will be the final selection of the LED substrate industry. With the gallium nitride wafer prices decreased year by year, gallium nitride substrate in the application market of semiconductor lighting will be exploded not received, Gan consumption will be doubled.
In addition to the LED lighting, electronic and optoelectronic devices is another major application market. At present, gallium nitride (GaN) is becoming a mainstream technology RF semiconductor power devices. Is widely used in some military applications and microwave communication field. According to the part of strategic analysis report released by the military early warning, monitoring, fire control radar market driven, Gan needs strengthening.
North American Strategic Analysis Department of a responsible people talk about the development trend of 2013-2023 Gan said in 10 years period, and other devices related to semiconductor market will rise from $1200000000 to $2100000000, of which the gallium nitride technology gradually mature, the compound growth rate in 26.4%, has been widely used in radar systems for all.
Gallium nitride is so far the theory of electro-optic, photoelectric conversion efficiency of the highest material system can be prepared, and wide spectrum, high power, high efficiency of micro electronics, power electronic, optoelectronic devices such as the key basic material. Semiconductor future belongs to Gan, Gan with a bright future.
Gallium nitride by rare metal gallium and nitrogen is made, China is the world's largest producer of metal gallium and gallium metal output more than 300 tons / year, but gallium metal industry in China is big but not strong, a lot of metal gallium as a primary product exports, according to customs data showed that only 1-10 months of this year China's export of metal gallium on more than 100 tons. The price is way down, part of the continued loss of gallium production enterprises.
Pan Asia nonferrous metal exchange as the world's largest rare metal exchange, has carried out metal gallium spot trading, which will greatly promote the healthy development of gallium metal industry of our country, help China obtain gallium metal pricing power. (Pan Asian exchanges analyst: Wang Baoqing)
