Company Filing History:
Years Active: 1993-1997
Title: Innovations of Ka-Chiu Woo
Introduction
Ka-Chiu Woo is a notable inventor based in Hopewell Junction, NY (US). He has made significant contributions to the field of electrical engineering, particularly in testing and fault isolation of high-density passive boards and substrates. With a total of 4 patents to his name, his work has advanced the capabilities of electronic testing.
Latest Patents
One of Ka-Chiu Woo's latest patents is a system and method for testing and fault isolation of high-density passive boards. This invention allows for simultaneous network resistance and capacitance measurements using a small number of moving probes. By minimizing the need for electrical switching and excessive probe movement, the test time is significantly reduced. Additionally, the patent covers simultaneous network capacitance and leakage measurement through phase-sensitive detection. This dual-frequency measurement technique enables the determination of both capacitance and resistance values, enhancing defect detection capabilities.
Another notable patent involves voltage-stressing and testing of networks using moving probes. This method tests a network-under-test relative to other networks within a device by applying a transient voltage. The goal is to assess the integrity of the network-under-test by determining if the stressed leakage resistance is acceptable.
Career Highlights
Ka-Chiu Woo is currently employed at International Business Machines Corporation (IBM), where he continues to innovate and contribute to advancements in electronic testing technologies. His work has been instrumental in improving the efficiency and accuracy of testing methods in the industry.
Collaborations
Throughout his career, Ka-Chiu Woo has collaborated with esteemed colleagues such as Shinwu Chiang and Huntington W. Curtis. These collaborations have further enriched his work and contributed to the development of innovative solutions in the field.
Conclusion
Ka-Chiu Woo's contributions to the field of electrical engineering through his patents and collaborations have significantly advanced testing methodologies. His innovative approaches continue to influence the industry and enhance the reliability of electronic devices.