Chao-An Liu

Title: Chao-An Liu: Innovator in DRAM Fabrication

Introduction

Chao-An Liu is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the field of semiconductor technology, particularly in the fabrication of Dynamic Random-Access Memory (DRAM). His innovative methods have paved the way for advancements in memory technology.

Latest Patents

Chao-An Liu holds a patent for a method of fabricating DRAM. This method involves providing a substrate and forming a first mask layer that covers the substrate. The first mask layer consists of a hydrogen-containing silicon nitride layer and a silicon oxide layer. The hydrogen-containing silicon nitride layer has the chemical formula: SiNH, where x is between 4 and 8, y is between 3.5 and 9.5, and z equals 1. The process includes patterning the first mask layer to create a first patterned mask layer, etching the substrate using this mask to form a word line trench, and finally forming a word line within the trench.

Career Highlights

Chao-An Liu has worked with prominent companies in the semiconductor industry, including United Microelectronics Corporation and Fujian Jinhua Integrated Circuit Co., Ltd. His experience in these organizations has contributed to his expertise in DRAM technology and fabrication processes.

Collaborations

Throughout his career, Chao-An Liu has collaborated with talented individuals such as Tzu-Chin Wu and Ching-Hsiang Chang. These collaborations have fostered innovation and development in the field of semiconductor technology.

Conclusion

Chao-An Liu is a distinguished inventor whose work in DRAM fabrication has had a lasting impact on the semiconductor industry. His innovative methods and collaborations continue to influence advancements in memory technology.