Chan-Ki Ha

Title: Innovations of Chan-Ki Ha in Oxide Thin Film Transistors

Introduction

Chan-Ki Ha is a notable inventor based in Incheon, South Korea. He has made significant contributions to the field of semiconductor technology, particularly in the manufacturing of oxide thin film transistors. His innovative methods have the potential to enhance the performance and efficiency of electronic devices.

Latest Patents

Chan-Ki Ha holds a patent for a "Method of manufacturing oxide thin film transistor." This patent outlines a comprehensive process that includes several key steps. The method involves forming a gate electrode on a substrate, followed by the creation of a gate insulating film. An oxide semiconductor layer is then formed on the gate insulating film. The process continues with the sequential formation of a lower data metal layer and an upper data metal layer on the oxide semiconductor layer. The upper data metal layer is patterned through wet etching to create an upper source pattern and an upper drain pattern. Subsequently, the lower data metal layer is patterned using dry etching, utilizing the upper patterns as a mask to form source and drain electrodes. The method also includes the formation of passivation films and heat treatment of the oxide semiconductor layer, ensuring the reliability and performance of the transistor.

Career Highlights

Chan-Ki Ha is currently employed at LG Display Co., Ltd., a leading company in the display technology sector. His work at LG Display has allowed him to focus on advancing technologies that are crucial for modern electronic displays. His innovative approach and dedication to research have positioned him as a valuable asset in the field.

Collaborations

Throughout his career, Chan-Ki Ha has collaborated with esteemed colleagues such as Sang-Moo Park and Bong-Chul Kim. These collaborations have fostered an environment of innovation and have contributed to the successful development of new technologies in the semiconductor industry.

Conclusion

Chan-Ki Ha's contributions to the field of oxide thin film transistors exemplify the importance of innovation in technology. His patented methods and collaborative efforts continue to influence advancements in electronic devices. His work at LG Display Co., Ltd. highlights the significant role of inventors in shaping the future of technology.