Wan-Yi Liu is a prominent inventor based in Kaohsiung, Taiwan. He has made significant contributions to the field of semiconductor technology, particularly in the development of flash memory cells. With a total of 5 patents to his name, Liu's work has had a substantial impact on the industry.

Latest Patents

Liu's latest patents include a method for forming a flash memory cell. This invention outlines a process that begins with providing a substrate, followed by the sequential formation of a gate dielectric layer, a first polysilicon layer, and a hard mask layer. The method involves removing portions of these layers to create holes that expose the substrate, followed by the formation of a dielectric layer using a high-density plasma chemical vapor deposition (HDPCVD) process. Additionally, Liu has developed a method for forming shallow trench isolation (STI) structures. This process includes the formation of a pad oxide layer and a mask layer over a substrate, followed by the creation of a trench and the deposition of insulation materials to complete the STI structure.

Career Highlights

Wan-Yi Liu is currently employed at Macronix International Co., Ltd., where he continues to innovate in the field of memory technology. His expertise in semiconductor fabrication processes has positioned him as a key player in the industry.

Collaborations

Liu has collaborated with notable colleagues such as Ping-Yi Chang and Chi-Tung Huang, contributing to various projects that enhance the capabilities of flash memory technology.

Conclusion

Wan-Yi Liu's contributions to the field of semiconductor technology, particularly in flash memory, demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to advancing memory technology, making him a significant figure in the industry.

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