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Jiangsu jiejie Microelectronics Co., Ltd., founded in 1995, is an enterprise specializing in the research and development, manufacturing and sales of semiconductor discrete devices and power electronic components. It is also one of the domestic manufacturers that produce "square chip" single and bidirectional thyristors earlier and with a complete variety. The company has strong technical innovation ability, good market reputation and business network. It is a leading enterprise in the field of power semiconductor devices in China, in which the thyristor chip is the subdivision industry. The company's "jiejie" brand products have a high market share in the domestic market. Over the years, some products have been sold to Japan, South Korea, Spain, Singapore, Taiwan and other countries and regions. The company's leading products are (0.6-110) a / 600-1600v bidirectional thyristor, (0.8-250) a / 600-2200v unidirectional thyristor, low junction capacitor discharge tube, TVs and other protection devices, high-voltage rectifier diode, power switch transistor, with a market share of more than 5%. The company has five semiconductor power device product lines, which can produce 700000 pieces of 4-inch wafer and 480 million packaging devices annually, greatly improving the industrial capacity of the enterprise. 1. φ 4-inch silicon controlled device chip production line, leading products: (0.6-110) a / 600-1600v bidirectional silicon controlled (triacs), (0.8-250) a / 600-2000v unidirectional silicon controlled (SCRs), power switch transistor, Darlington transistor; 2. φ 4-inch protective device chip production line, leading products: low junction capacitor discharge tube, high voltage trigger diode, TVs, ESD and other kinds of protectors 3. φ 4-inch fast recovery diode chip production line, leading products: fast recovery diode, high voltage rectifier diode, etc.; 4. Triode device packaging and testing production line, device packaging form: TO-92, sot-23-3l, sot-89, SOT-223, DPAK, IPak, D2Pak, to-220ainsulated, to-220b, to-220c, to-220f, TO-247, to-247super, to pinsulated, etc. 5. Diode device packaging and testing production line, device packaging form: SMA, SMB, SMC, sod123, sod323, sod523, etc. The company has 553 employees, including 64 technical R & D personnel. The company covers an area of 58742 ㎡, plant area of 25456 ㎡, including purification plant area of 4800 ㎡. There are workshops for grinding, polishing, chemical corrosion, oxidation, diffusion, ion implantation, photolithography, table corrosion, glass passivation, LPCVD, evaporation, vacuum alloy, automatic testing, laser scribing, grinding wheel scribing, automatic sticking, sintering, upper core, bonding, enveloping, rib cutting, testing, etc., equipped with more than 300 sets of excellent production equipment and complete product testing instruments. The company's independent research and development of "gate sensitive trigger one-way thyristor", "low junction capacitor overvoltage protection thyristor device", "to-220a, to-3p type internal insulation plastic sealed thyristor device" has been identified by experts, and the product technical indicators are at the international leading level of similar products. Since its establishment, the company has been engaged in the R & D, production and sales of semiconductor discrete devices and power electronic devices. The production scale and product technology are in an important position and leading role in the same industry. While vigorously developing technological innovation, the company attaches great importance to the creation and protection of independent intellectual property rights. Up to now, the company has obtained 19 authorized patents, including 11 invention patents and 8 practical new patents. It has accepted 4 patents, including 4 invention patents. Jiangsu Engineering Technology Research Center, which is based on Jiangsu jiejie Microelectronics Co., Ltd., is responsible for the development and technological transformation of new products and processes. The center has a leader in engineering research with rich practical experience; the center has a sound management system of talent incentive, intellectual property protection, etc., which can effectively stimulate the enthusiasm of the center's personnel in technology research and development. At the same time of independent research and development, the company strengthens cooperation with enterprises, universities and scientific research institutes, vigorously develops key technologies with independent intellectual property rights, forms independent core technologies and proprietary technologies, and speeds up the industrialization of scientific and technological achievements. The company has established a cooperative relationship with Xi'an University of Electronic Science and technology and other universities, mastered a number of core technologies with independent intellectual property rights, and provided technical reserves and support for the realization of the technological innovation strategy of semiconductor series products. Jiejie Semiconductor Co., Ltd. is a wholly-owned subsidiary of Jiangsu jiejie Microelectronics Co., Ltd. established in Nantong in September 2014. It is mainly engaged in R & D, design, manufacturing, sales and technical consulting services of semiconductor discrete devices and semiconductor integrated circuits. Jiejie Semiconductor Co., Ltd. plans to build four production lines and three new product R & D lines, a product performance testing and testing station, which can form an annual production capacity of 900000 semiconductor discrete device chips and 1148 million semiconductor discrete devices. Including: one power semiconductor device chip production line and one finished product packaging line. The annual output is 420000 pieces of 4-inch wafer, which are used to produce 458.5 million chips of various power electronic devices and 428 million self packaging power electronic devices; one semiconductor protective device chip production line and one supporting finished product packaging line. The annual output of 480000 4-inch wafers is 766 million for the company's production of various types of semiconductor protective device chips, 720 million for self packaging semiconductor protective devices; three new product R & D test lines and a product performance test and test station, including ultra fast recovery power diode R & D test line, power MOSFET, IGBT R & D test line and silicon carbide device R & D test line. With constant temperature and humidity of high clean production environment and excellent manufacturing equipment. Phase I construction of the company covers a total area of 65216 square meters (about 100 mu), including 72253 square meters (including 10000 square meters of clean workshop), including factory buildings, R & D centers, office buildings, public and supporting facilities. The company has 680 employees and a total planned investment of 481.7735 million yuan. Including: 215966900 yuan for the construction of power semiconductor device production line, 202128000 yuan for the construction of semiconductor protective device production line, 63678600 yuan for the project of Engineering Technology Research Center, and 400 million yuan for the expected full output value after the project is put into operation.

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