This inventor holds 5 USPTO granted patents. Top assignee: National Semiconductor Corporation. Active years: 2001-2012.
Company Filing History:
Years Active: 2001-2012
Title: Innovations of Chen H Tsay in Electrostatic Discharge Protection
Introduction
Chen H Tsay is a notable inventor based in San Jose, CA, who has made significant contributions to the field of electrostatic discharge (ESD) protection. With a total of 5 patents to his name, Tsay has developed innovative solutions that enhance the reliability and safety of electronic devices.
Latest Patents
One of Tsay's latest patents is the "Dual-directional electrostatic discharge protection method." This invention describes a two-terminal ESD protection structure formed by an alternating arrangement of adjacent p-n-p-n-p semiconductor regions. It provides protection against both positive and negative ESD pulses. When an ESD pulse appears across the two terminals, one of the inherent n-p-n-p thyristors is triggered into a snap-back mode, forming a low impedance path to discharge the ESD current. Some embodiments of this structure have enhanced current handling capabilities and are formed by combining several standard cells, including corner, center, and edge cells, arranged to facilitate current flow from multiple locations.
Another significant patent is the "Dual-directional electrostatic discharge protection device." This two-terminal ESD protection structure consists of five adjacent semiconductor regions of alternating conductivity types, with the middle region electrically floating. When subjected to an ESD voltage, the structure triggers one of its two inherent thyristors into a snap-back mode, providing a low impedance path for discharging the ESD current.
Career Highlights
Chen H Tsay is currently employed at National Semiconductor Corporation, where he continues to innovate in the field of semiconductor technology. His work focuses on developing advanced ESD protection solutions that are crucial for the reliability of electronic components.
Collaborations
Throughout his career, Tsay has collaborated with notable colleagues, including Albert Z H Wang and Peter Deane. These collaborations have contributed to the advancement of ESD protection technologies and have fostered a productive research environment.
Conclusion
Chen H Tsay's contributions to electrostatic discharge protection through his innovative patents have significantly impacted the semiconductor industry. His work continues to enhance the safety and reliability of electronic devices, making him a key figure in this field.