Cheon-su Bhan

Title: Innovations of Cheon-su Bhan in Semiconductor Technology

Introduction

Cheon-su Bhan is a notable inventor based in Seoul, South Korea. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on improving the fabrication processes of semiconductor devices, which are crucial for modern electronics.

Latest Patents

One of his latest patents is titled "Method for forming isolation regions in a semiconductor memory device." This invention discloses a method for forming an isolation region within a semiconductor device. A trench is first formed in a predefined isolation region of a semiconductor substrate. An oxidation blocking material is injected into the inside walls of the trench before growing a field oxide film inside the trench. This innovation simplifies the fabrication of isolation regions by directly implanting the oxidation blocking material at a predetermined angle, eliminating the need for spacers that are typically used in conventional processes.

Another significant patent by Cheon-su Bhan is the "Isolation method in a semiconductor device." This method includes several steps, such as growing a pad oxide layer on a semiconductor substrate and depositing a polysilicon layer and a first silicon nitride layer. The process minimizes the bird's beak regions and increases the effective isolation distance of the device, enhancing its performance.

Career Highlights

Cheon-su Bhan is currently employed at Samsung Electronics Co., Ltd., a leading company in the technology sector. His work at Samsung has allowed him to contribute to cutting-edge advancements in semiconductor technology.

Collaborations

He has collaborated with notable coworkers, including Yun-gi Kim and Byeong-yeol Kim. Their teamwork has fostered an environment of innovation and excellence in their projects.

Conclusion

Cheon-su Bhan's contributions to semiconductor technology through his patents and work at Samsung Electronics Co., Ltd. highlight his role as a key innovator in the field. His inventions are paving the way for advancements in electronic devices, showcasing the importance of innovation in technology.