Jin Soo Cheong

Title: Innovations of Jin Soo Cheong in Silicon Wafer Production

Introduction

Jin Soo Cheong is a notable inventor based in Seoul, South Korea. He has made significant contributions to the field of semiconductor technology, particularly in the production of silicon wafers. His innovative methods have the potential to enhance the efficiency and yield of semiconductor devices.

Latest Patents

Jin Soo Cheong holds a patent for a "Silicon wafer and method for producing silicon single crystal." This patent describes a method for growing a silicon single crystal ingot using the Czochralski method. The technique aims to produce silicon wafers with very uniform in-plane quality, which is crucial for improving the yield of semiconductor devices. The method involves controlling the convection distribution of the silicon melt, ensuring that the core cell's maximal horizontal width is between 30 to 60% of the surface radius of the silicon melt. Additionally, the method specifies that the maximal vertical depth of the core cell should be at least 50% of the maximal depth of the silicon melt.

Career Highlights

Jin Soo Cheong is currently associated with Siltron, Inc., where he continues to work on advancements in silicon wafer technology. His expertise in the Czochralski method has positioned him as a key figure in the semiconductor industry.

Collaborations

Throughout his career, Jin Soo Cheong has collaborated with esteemed colleagues such as Hyon-Jong Cho and Cheol-Woo Lee. These partnerships have fostered innovation and contributed to the development of cutting-edge technologies in silicon wafer production.

Conclusion

Jin Soo Cheong's contributions to the field of semiconductor technology, particularly through his patented methods for producing silicon single crystal wafers, highlight his role as an influential inventor. His work not only advances the industry but also sets a foundation for future innovations in semiconductor manufacturing.