Ching-Fu Tsou

Title: Ching-Fu Tsou: Innovator in Thermoelectric Fingerprint Sensing Technology

Introduction: Ching-Fu Tsou is a notable inventor based in Taichung, Taiwan. He has made significant contributions to the field of fingerprint sensing technology. His innovative approach utilizes thermoelectric sensors to enhance biometric security measures.

Latest Patents: Ching-Fu Tsou holds a patent for a "Thermoelectric sensor for fingerprint thermal imaging." This invention provides a fingerprint sensing mechanism that employs a two-dimensional thermoelectric sensor array. It captures thermal images related to the ridges and valleys of a finger. The fabrication method is fully compatible with integrated circuit processing. By using human body temperature as a stimulation source, a temperature difference is generated from the ridge of a fingerprint. This temperature gradient is then converted into an electrical signal. The arrangement of multiple thermoelectric sensors in a two-dimensional array forms a comprehensive fingerprint sensor, allowing for the electrical signal output of the ridge profile of the fingerprint.

Career Highlights: Ching-Fu Tsou is associated with Ligh Tuning Technology Inc., where he continues to develop innovative technologies. His work focuses on enhancing the accuracy and efficiency of biometric systems.

Collaborations: Some of his notable coworkers include Bruce C. S. Chou and Yuan-Wei Cheng, who contribute to the collaborative efforts in advancing technology at their company.

Conclusion: Ching-Fu Tsou's contributions to thermoelectric fingerprint sensing technology exemplify the innovative spirit in the field of biometrics. His work not only enhances security measures but also paves the way for future advancements in fingerprint sensing technology.