This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Nan Ya Technology Corporation, Industrial Technology Research Institute, Powerchip Semiconductor Corporation. Active years: 2010-2012.
Location History:
- Taoyuan County, TW (2010)
- Taipei County, TW (2011)
- New Taipei, TW (2012)
Company Filing History:



Years Active: 2010-2012
Title: The Innovative Contributions of Li-Shu Tu
Introduction
Li-Shu Tu is a prominent inventor based in Taipei, Taiwan. She has made significant contributions to the field of phase-change memory technology. With a total of 3 patents to her name, her work has garnered attention for its innovative approaches and practical applications.
Latest Patents
Li-Shu Tu's latest patents include a method for fabricating a phase-change memory cell. This method involves providing a substrate with buried address lines and a first dielectric layer. A conductive electrode is formed in the first conductive layer, with the top portion exposed. A second dielectric layer is deposited on the surface of the exposed top portion, defining a recess around it. A third dielectric layer is then deposited over the second dielectric layer. Portions of both the third and second dielectric layers are removed to expose the top surface of the conductive electrode. The top portion is salicidized to form a heating stem, and the remaining third dielectric layer is selectively removed from the recess. Finally, a phase-change material layer covers the heating stem and the second dielectric layer, which is etched to form a phase-change storage cap. Another patent describes a phase-change memory cell structure that includes a bottom diode on a substrate, a heating stem on the bottom diode, and a phase-change storage cap capping the heating stem.
Career Highlights
Throughout her career, Li-Shu Tu has worked with notable organizations such as Nan Ya Technology Corporation and the Industrial Technology Research Institute. Her experience in these companies has allowed her to develop and refine her innovative ideas in the field of memory technology.
Collaborations
Due to space constraints, the collaborations section has been omitted.
Conclusion
Li-Shu Tu's contributions to phase-change memory technology highlight her innovative spirit and dedication to advancing the field. Her patents reflect her expertise and commitment to developing cutting-edge solutions.