Chien-Wei Liu

Title: Chien-Wei Liu: Innovator in Gas Sensing Technology

Introduction

Chien-Wei Liu is a notable inventor based in Douliu, Taiwan. He has made significant contributions to the field of gas sensing technology, particularly through his innovative designs and methodologies.

Latest Patents

Chien-Wei Liu holds a patent for a "Miniature gas sensor and method for manufacturing the same." This invention features a gas sensor structure that includes a gas sensing chip with a hollow structure at the back of the sensing material. An insulating layer is positioned beneath the sensing material, while a micro heating element surrounds it. The sensing material adheres to sensing electrodes and consists of a complex structure that includes a metal oxide semiconductor and a roughened lanthanum-carbonate gas sensing layer. The thickness of the metal oxide semiconductor ranges from 0.2 μm to 10 μm, and the roughened lanthanum-carbonate gas sensing layer measures between 0.1 μm and 4 μm. Additionally, the size of the back etching holes is smaller than 1x1 mm. This innovative gas sensor structure allows for the fabrication of a suspended gas sensing structure on a silicon substrate, minimizing the chip size.

Career Highlights

Chien-Wei Liu is affiliated with the National Applied Research Laboratories, where he continues to advance his research and development in gas sensing technologies. His work has garnered attention for its potential applications in various industries.

Collaborations

Chien-Wei Liu collaborates with talented individuals such as Yu-Jen Hsiao and Ting-Jen Hsueh, contributing to a dynamic research environment that fosters innovation.

Conclusion

Chien-Wei Liu's contributions to gas sensing technology exemplify the impact of innovative thinking in engineering. His patent for a miniature gas sensor showcases his commitment to advancing this field.