Weili Yeh

Title: **Weili Yeh: Innovating Photo-Ionization Detection in San Jose, CA**

Introduction

Weili Yeh, an accomplished inventor based in San Jose, California, has made significant contributions in the field of photo-ionization detection technology. With her innovative approach and keen insight, she holds a notable patent that enhances the effectiveness of ultraviolet lamps used in detection systems.

Latest Patents

Yeh's patent, titled "Automatic drive adjustment of ultraviolet lamps in photo-ionization detectors," introduces a sophisticated method of calibrating UV lamp drive power. This invention allows for a calibration operation that determines measurement signals across various drive power levels, ultimately selecting optimal levels for normal operation. The technology not only supports a broader range of lamp performances, thereby improving manufacturing yields, but also extends the functional lifespan of photo-ionization detectors (PIDs). During regular usage, the PID adjusts the drive power level to counterbalance degradation in lamp performance, ensuring consistent UV intensity for precise measurements. Moreover, the calibration process allows the PID to select multiple power levels for diverse gas concentration measurements, thereby expanding its operational range.

Career Highlights

Weili Yeh has established herself as a vital member of Rae Systems, Inc., where she applies her expertise in sensor technology. Her contributions to the company underscore her commitment to advancing detection technologies that have far-reaching applications in various industries.

Collaborations

Throughout her career, Weili has collaborated with noted colleagues such as Wenpeng Hsueh and Peter C. Hsi. These collaborations have fostered an environment of innovation and have led to advancements in the field of photo-ionization detection, highlighting the importance of teamwork in scientific progress.

Conclusion

In conclusion, Weili Yeh's inventive spirit and expertise have significantly impacted the development of photo-ionization detectors. Her patent showcases her commitment to enhancing technology that ensures accuracy in gas detection, solidifying her position as an influential figure in the field. As her career progresses, it will be exciting to see how her innovations continue to shape the landscape of detection technologies.