Jang Sik Lee

Title: Innovations of Jang Sik Lee in Semiconductor Technology

Introduction

Jang Sik Lee is a notable inventor based in Busan, South Korea. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on advanced processes for forming thin films, which are essential for the development of semiconductor devices.

Latest Patents

One of his latest patents is a process for forming aluminum or aluminum oxide thin films on substrates. This innovative process involves depositing an aluminum oxide thin film necessary for semiconductor devices. It includes the steps of using a gaseous organoaluminum compound as an aluminum source in contact with a target substrate, followed by aluminum deposition using plasma. The process is designed to be efficient, as it allows for the oxidation of the aluminum thin film using oxygen plasma, resulting in high-quality aluminum oxide. Additionally, this method reduces costs by lowering the temperature of the gas supply and reactor compared to prior art methods.

Another significant patent involves methods for fabricating large single-grained ferroelectric thin films. This method utilizes selectively nucleated lateral crystallization (SNLC) with an artificial nucleation seed. It outlines the steps for forming a ferroelectric capacitor and a ferroelectric memory device. The process begins with forming a conductive layer on a semiconductor substrate, followed by the creation of an artificial nucleation seed. The ferroelectric thin film is then grown and thermally annealed to achieve a single-grained structure.

Career Highlights

Throughout his career, Jang Sik Lee has worked with various companies, contributing to advancements in semiconductor technology. His expertise has been instrumental in developing innovative solutions that enhance the performance and efficiency of semiconductor devices.

Collaborations

Jang Sik Lee has collaborated with notable professionals in the field, including Seung Ki Joo and Chang Wook Jeong. These collaborations have further enriched his research and development efforts.

Conclusion

Jang Sik Lee's contributions to semiconductor technology through his innovative patents demonstrate his commitment to advancing the field. His work not only enhances the quality of semiconductor devices but also reduces production costs, making a significant impact on the industry.