Yu-Hsien Hsu

Title: Yu-Hsien Hsu: Innovator in Three-Dimensional Memory Devices

Introduction

Yu-Hsien Hsu is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of memory devices, particularly in the development of three-dimensional memory technologies. With a total of 3 patents to his name, Hsu continues to push the boundaries of innovation in this critical area of electronics.

Latest Patents

Hsu's latest patents showcase his expertise in three-dimensional memory devices. One of his notable inventions is a "Three-dimensional memory device containing contact via structure extending through source contact layer and dielectric spacer assembly." This patent describes a dielectric spacer assembly that includes an annular dielectric isolation structure formed through in-process source-level material layers. The invention features an alternating stack of insulating layers and spacer material layers, along with a contact via cavity that is filled with a dielectric spacer and a sacrificial via fill structure. This design protects the dielectric spacer during the replacement of a source-level sacrificial layer with a source contact layer.

Another significant patent is the "Three-dimensional memory device using a buried source line with a thin semiconductor oxide tunneling layer." This invention includes a source-level material layer stack located over a substrate, which consists of a lower source-level semiconductor layer, a semiconductor oxide tunneling layer, a source contact layer made of doped semiconductor material, and an upper source-level semiconductor layer. The design incorporates an alternating stack of electrically conductive layers and insulating layers, along with memory stack structures that extend through the alternating stack and into the upper portion of the lower source-level semiconductor layer.

Career Highlights

Yu-Hsien Hsu is currently employed at Sandisk Technologies Inc., where he continues to innovate and develop advanced memory solutions. His work has been instrumental in enhancing the performance and efficiency of memory devices, making significant strides in the industry.

Collaborations

Hsu has collaborated with notable colleagues, including Satoshi Shimizu and Kiyohiko Sakakibara. These partnerships have contributed to the advancement of technology in the field of memory devices.

Conclusion

Yu-Hsien Hsu is a key figure in the development of three-dimensional memory technologies. His innovative patents and contributions to Sandisk Technologies Inc. highlight his commitment to advancing the field of electronics. Hsu's work continues to influence the future of