Xianlei Cao

Title: Innovations of Xianlei Cao

Introduction

Xianlei Cao is a prominent inventor based in Hefei, China. He has made significant contributions to the field of semiconductor technology, holding a total of eight patents. His work focuses on enhancing memory and refresh circuits, which are crucial for improving the performance of electronic devices.

Latest Patents

Cao's latest patents include a refresh circuit and memory design. This innovation features a preprocessing module that receives a word line activation command and a clock signal. It outputs a word line address corresponding to the current command when a count value reaches a preset threshold. Additionally, an address processing module counts all received word line address signals and outputs the most frequently occurring address as a row hammer address. The design also includes a first processing unit that generates supplementary refresh addresses and a second processing unit that creates a normal refresh address based on a refresh command. A refresh unit then performs operations according to the acquired address signal, while a control unit manages the output of refresh addresses.

Another notable patent involves semiconductor structures of anti-fuse devices and core devices with different dielectric layers. This structure comprises a core device region and an anti-fuse device region on the same substrate. It features a first dielectric layer with a specific dielectric constant and a second dielectric layer with a higher dielectric constant. A conductive layer is also included, enhancing the functionality of the semiconductor devices.

Career Highlights

Xianlei Cao is currently employed at Changxin Memory Technologies, Inc., where he continues to innovate in the semiconductor field. His expertise and contributions have positioned him as a key figure in advancing memory technology.

Collaborations

Cao collaborates with notable colleagues, including Xian Fan and Yinchuan Gu, who contribute to his research and development efforts.

Conclusion

Xianlei Cao's work in semiconductor technology and memory circuits showcases his innovative spirit and dedication to advancing electronic device performance. His patents reflect a deep understanding of complex systems and a commitment to pushing the boundaries of technology.