Introduction: Han-Guan Chew is a prominent inventor based in Singapore, known for his significant contributions to semiconductor technology. With a total of 10 patents to his name, Chew's innovative approaches have made a remarkable impact in the field, particularly in the area of silicon etching and CMOS fabrication.

Latest Patents: Among his latest patents, Han-Guan Chew has developed a groundbreaking Silicon Nitride Etching technique in a single wafer apparatus. This method involves precise heating of phosphoric and sulfuric acids, which are mixed and further heated to create an effective etching solution for silicon nitride layers. Additionally, his patent for fabricating an interconnection structure in a CMOS showcases a unique method that starts with the formation of a dummy electrode, paving the way for more efficient work-function metal layer applications.

Career Highlights: Chew's career has been prominently tied to Taiwan Semiconductor Manufacturing Company Limited, where he has played a vital role in developing cutting-edge technology. His work in the semiconductor industry, particularly in advancing etching and fabrication methods, has contributed to the overall improvement in manufacturing processes.

Collaborations: Throughout his career, Han-Guan Chew has collaborated with esteemed colleagues such as Ming Zhu and Lee-Wee Teo. These partnerships have enabled him to expand his research and innovate at a faster pace, leading to multiple patents and advancements in the semiconductor field.

Conclusion: Han-Guan Chew exemplifies the spirit of innovation in the semiconductor industry. His contributions and patents demonstrate not only his technical expertise but also his dedication to advancing technology. As he continues to push the boundaries of invention, Han-Guan Chew remains an influential figure in the development of modern semiconductor solutions.

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