Guan Hua Li

Title: Innovations of Guan Hua Li in Semiconductor Technology

Introduction

Guan Hua Li is a prominent inventor based in Shanghai, China, known for his contributions to semiconductor technology. With a total of 2 patents, he has made significant advancements in the field of memory devices. His innovative methods have paved the way for improved fabrication techniques in semiconductor manufacturing.

Latest Patents

Guan Hua Li's latest patents focus on semiconductor memory devices. One of his patents describes a method for fabricating a semiconductor memory device, which includes providing a substrate and forming a stacked layer on it. This stacked layer consists of a tunneling dielectric layer and a floating gate layer, which are sequentially formed on the substrate. The method further involves etching the stacked layer and the substrate to create a plurality of stacked structures, resulting in parallel first trenches. Additionally, the process includes forming second and third trenches, applying a second dielectric layer on the floating gate layer, and creating a control gate layer. The method concludes with the formation of fourth trenches and the removal of a sacrificial layer along these trenches.

Another patent by Guan Hua Li also details a similar method for fabricating a semiconductor memory device, emphasizing the importance of the stacked layer and the various trenches formed during the process. These innovations contribute to the efficiency and effectiveness of semiconductor memory devices.

Career Highlights

Guan Hua Li has worked with notable companies in the semiconductor industry, including Semiconductor Manufacturing International Corporation in both Beijing and Shanghai. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in semiconductor technology.

Collaborations

Throughout his career, Guan Hua Li has collaborated with esteemed colleagues such as Sheng Fen Chiu and Hae Wan Yang. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Guan Hua Li's contributions to semiconductor technology through his patents and career experiences highlight his role as a key innovator in the field. His work continues to influence the development of advanced memory devices, showcasing the importance of innovation in technology.