Hsinchu, Taiwan

Teng-Chun Tsai

This inventor holds 215 USPTO granted patents and 8 published patent applications, primarily in Semiconductor Fabrication (CPC class H01L29-66795). Top assignees: Taiwan Semiconductor Manufacturing Comp. Ltd., United Microelectronics Corp., Uwiz Technology Co., Ltd.. Active years: 2001-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Teng-Chun Tsai. Retrieved from https://idiyas.com/inventor/teng-chun-tsai

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

USPTO Granted Patents = 215 

% Patents Active = 88.8

Average Co-Inventor Count = 5.0

ph-index = 10

Forward Citations = 1,507(Granted Patents)

Forward Citations (Not Self Cited) = 1,284(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Tainan, TW (2010 - 2019)
  • Hsin-Chu, TW (2001 - 2024)

Company Filing History:


Years Active: 2001-2026

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Areas of Expertise:
FinFET
Chemical Mechanical Polishing
Semiconductor Structure
Polishing Pad
Contact Plugs
Slurry Composition
Interconnects
Hard Mask
Selective Growth
Integrated Circuit
Dummy Fin Structures
215 patents (USPTO):Explore Patents

Title: Teng-Chun Tsai: A Pioneer in Semiconductor Device Innovations

Introduction:

In the realm of semiconductor device technologies, Teng-Chun Tsai has emerged as an extraordinary inventor, hailing from Hsinchu, Taiwan. With a prolific portfolio of 188 patents, Tsai has made substantial contributions to the field. This article explores his latest patents, notable career highlights, collaborations, and his lasting impact on the industry.

Latest Patents:

Among Tsai's recent patents is the invention of "Contact Plugs for Semiconductor Device." This patent describes a method of forming a semiconductor device, including the formation of a gate, an epitaxial source/drain region, and a non-conformal deposition of a conductive material. By utilizing a bottom-up filling technique, this innovation enhances the overall performance and reliability of semiconductor devices.

Another noteworthy patent by Tsai is the "Semiconductor Structure with Oxidized Ruthenium." This invention revolutionizes the field by introducing a novel structure that includes a conductive layer, a dielectric layer, a ruthenium material in contact with the conductive layer, and ruthenium oxide material laterally between the ruthenium component and the dielectric layer. This design enhances device performance while maintaining compatibility with existing manufacturing processes.

Career Highlights:

Throughout his illustrious career, Teng-Chun Tsai has exhibited his brilliance while collaborating with renowned companies in the semiconductor industry. Tsai has worked with Taiwan Semiconductor Manufacturing Company Limited (TSMC), one of the world's largest semiconductor foundries. His contributions to TSMC have played a pivotal role in strengthening their position as a global leader in semiconductor manufacturing.

Additionally, Tsai has worked with United Microelectronics Corporation (UMC), a prominent semiconductor company, renowned for its cutting-edge technology. His expertise and innovative ideas have undoubtedly contributed to UMC's growth and technological advancements.

Collaborations:

Tsai's professional journey has been enriched by collaborations with esteemed colleagues. Notable among these are Li-Ting Wang, a brilliant researcher known for her contributions to semiconductor materials, and Shen-Nan Lee, an expert in the field of device engineering. Collaborative efforts with such outstanding individuals have undoubtedly fueled Tsai's creativity and facilitated the creation of groundbreaking innovations.

Conclusion:

Teng-Chun Tsai's remarkable achievements in the realm of semiconductor device innovations have left an indelible mark on the industry. With a staggering number of 188 patents to his name, his recent inventions, such as the "Contact Plugs for Semiconductor Device" and "Semiconductor Structure with Oxidized Ruthenium," showcase his unwavering commitment to enhancing device performance and reliability.

Through his collaborations with companies like TSMC and UMC, Tsai has played an influential role in driving cutting-edge research and development within the semiconductor domain. As we look towards the future of this ever-evolving field, his contributions will continue to inspire further innovations and shape the landscape of semiconductor technology for years to come.

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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