Chul Won Han

Title: Innovations by Chul Won Han

Introduction

Chul Won Han is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of semiconductor technology, particularly in the area of single crystal growth. With a total of 4 patents to his name, his work has advanced the methods and apparatus used in the production of high-quality semiconductor materials.

Latest Patents

Chul Won Han's latest patents include a "Single Crystal Growing Apparatus and Method." This invention features a horizontal Bridgman single crystal growing apparatus that utilizes a direct monitoring electric furnace. It is specifically designed for the growth of III-V and II-VI group compound semiconductor materials, such as Indium Phosphide (InP) and Cadmium Telluride (CdTe), including Gallium Arsenide (GaAs). The apparatus is equipped with a heater wire formed around a quartz tube, which supports a cylindrical double quartz tube. This design allows for the circulation of cooling water or gas, enabling high-temperature heating above 1240°C in a short period. The entire single crystal growth process can be observed directly, enhancing the efficiency and effectiveness of the method.

Another notable patent is an "Apparatus for Growing a Single Crystal of a Semiconductor Compound." This invention employs a horizontal zone melt technique for growing single crystals of Group III-V or Group II-VI compounds, such as GaAs, InP, or CdTe. The direct monitoring furnace, made of a transparent double quartz tube, allows for real-time observation of the crystal growth process. This innovation facilitates high-speed temperature gradient variations and heating, resulting in the production of GaAs wafers with low defects and high uniformity.

Career Highlights

Chul Won Han has worked with esteemed institutions such as the Korea Advanced Institute of Science and Technology and the Korea Institute of Science and Technology. His experience in these organizations has contributed to his expertise in semiconductor research and development.

Collaborations

Chul Won Han has collaborated with various professionals in his field, including his coworker Suk Ki Min. Their joint efforts have furthered advancements in semiconductor technology.

Conclusion

Chul Won Han's innovative contributions to semiconductor technology, particularly in single crystal growth, have established him as a key figure in the field. His patents reflect a commitment to enhancing the quality and efficiency of semiconductor materials, paving