Hsinchu, Taiwan

Cherng-Yui Chang

This inventor holds 2 USPTO granted patents. Top assignee: Taiwan Semiconductor Manufacturing Comp. Ltd.. Active years: 1998-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Cherng-Yui Chang. Retrieved from https://idiyas.com/inventor/cherng-yui-chang

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 24(Granted Patents)


Company Filing History:


Years Active: 1998-1999

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2 patents (USPTO):Explore Patents

Title: Cherng-Yui Chang: Innovator in Semiconductor Technology

Introduction

Cherng-Yui Chang is a notable inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of semiconductor technology, particularly through his innovative patents. With a total of 2 patents, Chang's work focuses on enhancing the efficiency and effectiveness of semiconductor manufacturing processes.

Latest Patents

One of Cherng-Yui Chang's latest patents is a combination nozzle and vacuum hood that is self-cleaning. This invention provides a unique solution by integrating a nozzle with a vacuum hood. The vacuum hood features a chamber that surrounds the nozzle tip, effectively removing any residue through a vacuum that flows past the nozzle tip. This innovative design prevents residue from interfering with the spraying action or dripping down. The method allows for the dispensing of fluid from the nozzle without any dripping, which is crucial in semiconductor manufacturing. The process involves several steps, including dispensing fluid on a rotating semiconductor wafer, terminating fluid flow, and creating an upward flow of gas to capture any fluid residue.

Career Highlights

Cherng-Yui Chang is currently employed at Taiwan Semiconductor Manufacturing Company Ltd. His work at this leading semiconductor manufacturer has positioned him as a key player in advancing technology in the industry.

Collaborations

Chang has collaborated with notable coworkers, including Chung-Hao Tzeng and Dong-Shiuh Cheng. These collaborations have further enriched his contributions to the field.

Conclusion

Cherng-Yui Chang's innovative work in semiconductor technology, particularly his self-cleaning nozzle and vacuum hood, showcases his commitment to improving manufacturing processes. His contributions are vital to the ongoing advancements in the semiconductor industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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