After three transformations, Jiejie Microelectric has become the leader in the thyristor field

The new power electronic device production line project of Jiangsu Jiejie Microelectronics Co., Ltd. (referred to as "Jiejie Microelectronics") is under construction in full swing, and the main factory buildings No. 1 and No. 2 have entered the electromechanical construction stage.

According to reports, the project officially started construction in November 2018. The first phase of the project invested 550 million yuan to build a new power electronic chip production line with an annual output of 600,000 6-inch chips and 5 packaging production lines with an annual output of 3 billion self-sealed power electronic devices. After reaching full production, it will form an annual output value of 621 million yuan, thereby comprehensively improving the company's market share of semiconductor power devices.

Founded in 1995, Jiejie Microelectronics is a high-tech enterprise in Jiangsu Province that specializes in the research, development, manufacturing and sales of semiconductor discrete devices and power electronic devices. According to its official website, the company currently has five semiconductor power device product lines.

Qidong Daily reported that after nearly 20 years of hard work and three transformations, Jiejie Microelectric has become the domestic leader in the power semiconductor industry (thyristor) segment.

The report shows that Jiejie Microelectric's first transformation began in 1997. At that time, due to the lack of core technology, it could only import chips from abroad for packaging and sales. Jiejie Microelectric was determined to develop its own chips and focus on the industrialization of semiconductor triode chips. In 1999, it planned to build a 3-inch chip production line, and in 2000, it developed, mass-produced and sold single- and bidirectional thyristor chips.

In 2006, Jiejie Microelectronics planned to build a thyristor chip (4-inch) production line. According to reports, the yield rate of 4-inch chips produced by this production line reached more than 95% in 2018, which is fully capable of replacing imports. Through R&D investment and technological transformation investment of 5% of annual revenue, it ensures a compound growth rate of more than 20% for several consecutive years.

In 2010, the company developed and mass-produced and sold semiconductor protection device chips and diode chips; in 2012, it planned to build a thick film and component packaging production line, and mass-produced and sold them in the same year; in 2015, it cooperated with the Institute of Microelectronics of the Chinese Academy of Sciences to jointly build the "Wide Bandgap Power Electronics Engineering Technology Research Center", and was listed on the Shenzhen Stock Exchange in March 2017, thus realizing the third real transformation. The company's main product, power semiconductor devices (thyristors), accounts for 50% of the market share of domestic substitution for imports.

In addition, in order to increase its market share in power semiconductors, Jiejie Microelectric also planned to establish a MOS business unit and MOS R&D center in December 2017.

According to a previous report by Nantong Daily, the company's current annual production capacity of microelectronic chips is 1.6 million pieces (4-inch pieces). This year, it will invest 910 million yuan to implement intelligent transformation, build power electronic device production lines, new chip components and optoelectronic hybrid integrated circuit packaging and testing production lines, expand MOSFET, IGBT and other product lines, and lay the foundation for medium- and long-term growth.