Location History:
- Sunnyvale, CA (US) (2003 - 2007)
- San Jose, CA (US) (2007 - 2015)
Company Filing History:
31 out of 1,075 
11 out of 12,883 
3 out of 3,549 
Years Active: 2003-2015
Areas of Expertise:
Title: Innovations by Zhizheng Liu: Pioneering Advances in Memory Technology
Introduction
Zhizheng Liu, based in San Jose, CA, is a prolific inventor known for his significant contributions to the field of semiconductor technology. With an impressive portfolio of 47 patents, Liu has been at the forefront of innovation, particularly in memory devices.
Latest Patents
Among his latest inventions, Liu has developed a patent for a barrier region underlying source/drain regions for dual-bit memory devices. This innovation features a memory cell that includes a substrate and a stacked gate structure equipped with a charge trapping dielectric layer capable of storing data. The invention enhances memory cell design by strategically placing a barrier region beneath the source or drain, which incorporates inert species, thereby improving performance.
Another key patent focuses on adjacent wordline disturb reduction using boron/indium implant techniques. This technology aims to minimize parasitic current in semiconductor devices. The implementation involves memory devices with wordlines positioned over a semiconductor substrate, where strategic implantation of indium and boron is executed to reduce adjacent wordline disturb, showcasing Liu's ingenuity in addressing common issues in semiconductor design.
Career Highlights
Zhizheng Liu has worked with notable companies, including Spansion LLC and Advanced Micro Devices Corporation. His roles in these organizations have allowed him to hone his expertise in semiconductor technologies and contribute to advancements in memory technology.
Collaborations
Throughout his career, Liu has collaborated with esteemed professionals, including Yi He and Mark W. Randolph. These associations have enabled him to exchange ideas and push the boundaries of innovation within the industry.
Conclusion
Zhizheng Liu's contributions to semiconductor technology and memory devices are invaluable. With numerous patents to his name, his work continues to influence the industry, paving the way for future advancements in memory technology. His innovative spirit ensures that he remains a key figure in the journey towards more efficient and effective memory solutions.