Company Filing History:
Years Active: 1991-1992
Title: Kowk Fai Lee: Innovator in ESD Protection Circuits
Introduction
Kowk Fai Lee is a notable inventor based in Irvine, CA, specializing in electrostatic discharge (ESD) protection circuits. With a total of 2 patents, he has made significant contributions to the field of integrated circuit protection.
Latest Patents
Kowk Fai Lee's latest patents include an ESD protection circuit with a segmented buffer transistor. This innovative circuit employs a segmented field effect buffer transistor positioned between the input/output pad and the active devices on the integrated circuit. The design features an extended resistive structure that is configured in series with the segmented buffer transistor and the input/output electrical contact pad. During normal circuit operations, the extended resistive structure maintains a low resistance value, introducing virtually no additional load to the input/output buffer circuitry. However, during an ESD discharge event, the resistive structure shifts to a significantly higher resistance, effectively reducing current values and protecting the buffer circuit. Additionally, a thick oxide snap-back device is utilized to provide a parallel ESD discharge path with low power dissipation.
Another of his patents is an electrostatic discharge protection circuit that employs an extended resistive structure with bimodal resistance characteristics. This structure is integrated with the input/output buffer circuit and the input/output electrical contact pad on an integrated circuit. Similar to his previous patent, it operates with low resistance during normal operations and shifts to a higher resistance during ESD discharge, thereby safeguarding the buffer circuit.
Career Highlights
Kowk Fai Lee is currently employed at Western Digital Corporation, where he continues to innovate in the field of ESD protection. His work has been instrumental in enhancing the reliability and durability of integrated circuits.
Collaborations
Kowk has collaborated with notable coworkers, including Alan Y Lee and Melvin L Marmet, who contribute to the innovative environment at Western Digital Corporation.
Conclusion
Kowk Fai Lee's contributions to ESD protection circuits demonstrate his commitment to advancing technology in integrated circuits. His innovative patents reflect a deep understanding of circuit design and protection mechanisms.