Shulou(Shulou.com)11/24 Report--

CTOnews.com, Sept. 5, Japan's largest semiconductor wafer company Shinyue Chemical Industry and OKI, which specializes in ATM and communications equipment, recently announced that they have developed the technology to manufacture power semiconductors using gallium nitride (GaN) at low cost.

According to reports, this technology can reduce the manufacturing cost to less than 1/10 of the traditional manufacturing method. If it can be mass produced, it will help to popularize fast chargers and other equipment.

CTOnews.com learned from an official press release that new technologies developed by Shin Yue Chemical Industry and OKI can spray gallium-based gases on unique QST substrates to enable crystal growth. The combination of the thickening crystal technology of Xinyue Chemical Industry and the bonding technology of OKI only removes the crystal from the substrate. The crystal is placed on other substrates and used as wafers for power semiconductors.

OKI Xinyue Chemical Industry, a source of ▲ images, said that the method of GaN crystal growth on GaN substrate is not only time-consuming, but also the yield is poor and the cost is high. The new method can produce crystals efficiently and reduce the cost by 90%. Compared with the method of growing GaN crystals on silicon substrates, the insulating layer between the substrate and the crystals is not needed. Coupled with the thickening of the crystal, the current can be 20 times larger.

Xinyue Chemical Industry revealed that this technology can produce 6-inch wafers, which it hopes to grow to 8 inches by 2025, and that business models such as selling technology to semiconductor manufacturers will be considered in the future.

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