Shanghai, China

Yunqing Dai

This inventor holds 3 USPTO granted patents. Top assignees: Shanghai Huali Microelectronics Corporation, Shanghai Huali Integrated Circuit Corporation. Active years: 2014-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yunqing Dai. Retrieved from https://idiyas.com/inventor/yunqing-dai

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


% Patents Active = 66.7

Average Co-Inventor Count = 2.4

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2014-2026

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3 patents (USPTO):Explore Patents

Title: Innovations of Yunqing Dai

Introduction

Yunqing Dai is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on methods and systems that enhance the efficiency and accuracy of semiconductor fabrication processes.

Latest Patents

Yunqing Dai's latest patents include a method for fabricating multiple work function layers. This innovative method involves forming transistor gates with notches, creating a blocking layer, and sequentially depositing work function layers while removing them from specific gates. This process ensures that the thickness of the work function layers decreases gradually, optimizing the fabrication of semiconductor devices.

Another notable patent is an optimization method and system for overlay error compensation. This method sets process parameters for each semiconductor layer, measures overlay errors, and corrects parameters based on these measurements. This approach significantly improves the alignment and accuracy of semiconductor layers during the manufacturing process.

Career Highlights

Yunqing Dai has worked with leading companies in the semiconductor industry, including Shanghai Huali Microelectronics Corporation and Shanghai Huali Integrated Circuit Corporation. His experience in these organizations has allowed him to develop and refine his innovative techniques in semiconductor fabrication.

Collaborations

Throughout his career, Yunqing has collaborated with notable professionals in the field, including Jian Wang and ZhiBiao Mao. These collaborations have contributed to the advancement of semiconductor technologies and the successful implementation of his patented methods.

Conclusion

Yunqing Dai's contributions to semiconductor technology through his innovative patents and collaborations highlight his role as a key figure in the industry. His work continues to influence the development of more efficient semiconductor manufacturing processes.

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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