Company Filing History:
Years Active: 2014-2020
Title: Wei Gao - Innovator in ESD Protection Technology
Introduction
Wei Gao is a prominent inventor based in Singapore, known for his significant contributions to the field of electronic device protection. With a total of 8 patents to his name, he has made remarkable advancements in the development of silicon controlled rectifier (SCR) based electrostatic discharge (ESD) protection devices.
Latest Patents
One of Wei Gao's latest patents is a silicon controlled rectifier (SCR) based ESD protection device. This innovative device features a 4-layered PNPN structure, which includes NPN and PNP junction transistors disposed in silicon-on-insulator (SOI). The design incorporates first and second device wells (N-well and P-well) that form an NP junction near the midline. The first and second contact regions in the device wells are coupled to high and low power sources, specifically the I/O pad and ground. Internal isolation regions, which are shallower shallow trench isolation (STI), partially separate the first and second contact regions without touching the bottom of the surface substrate. A vertical gate is positioned over the NP junction or a shallower STI, overlapping the junction and separating the second contact regions in the x-direction. Additionally, one or more horizontal gates separate the second contact regions in the y-direction, guiding the device wells underneath the shallower STI to the outer edges to connect with the first contact regions for body contacts. The process for forming this device is also disclosed and is compatible with CMOS processes.
Career Highlights
Wei Gao is currently employed at Globalfoundries Singapore Pte. Ltd., where he continues to innovate and develop cutting-edge technologies in the semiconductor industry. His work has significantly impacted the design and functionality of electronic devices, enhancing their reliability and performance.
Collaborations
Throughout his career, Wei Gao has collaborated with notable colleagues, including Chien-Hsin Lee and Manjunatha Govinda Prabhu. These collaborations have fostered a creative environment that has led to the successful development of advanced technologies.
Conclusion
Wei Gao's contributions to the field of ESD protection technology exemplify his dedication to innovation and excellence. His patents and ongoing work at Globalfoundries Singapore Pte. Ltd. continue to shape the future of electronic device protection.
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