Miaoli, Taiwan

Han-Chi Liu

This inventor holds 16 USPTO granted patents, primarily in Image Sensor Technology. Top assignee: Taiwan Semiconductor Manufacturing Comp. Ltd.. Active years: 2008-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Han-Chi Liu. Retrieved from https://idiyas.com/inventor/han-chi-liu-myy5srjp

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

Calculating rank

% Patents Active = 68.8

Average Co-Inventor Count = 4.1

ph-index = 3

Forward Citations = 42(Granted Patents)


Location History:

  • Miaoli County, TW (2010 - 2013)
  • Shiang, TW (2010 - 2014)
  • Miaoli, TW (2014)
  • Fusin Village, TW (2016)
  • Dahu Shiang, TW (2008 - 2019)

Company Filing History:


Years Active: 2008-2019

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Areas of Expertise:
Image Sensor
Backside Illumination
Crosstalk Improvement
Quantum Efficiency
Backside Depletion
Dark Current Reduction
Pixel Well Implant
Refractive Index
Doping Method
Device Manufacturing
Device Structure
Image Sensor Devices
16 patents (USPTO):Explore Patents

Title: Exploring the Innovations of Inventor Han-Chi Liu

Introduction

Han-Chi Liu, an accomplished inventor based in Miaoli County, Taiwan, has made significant contributions to the field of image sensing technology. With a remarkable portfolio of 16 patents, Liu continues to push the boundaries of innovation through his groundbreaking work at Taiwan Semiconductor Manufacturing Company Ltd.

Latest Patents

Two of Liu's latest patents showcase his expertise and inventive spirit in the area of image sensors. The first patent focuses on an image sensor featuring enhanced backside illumination quantum efficiency. This innovative system and method involve a substrate with distinct pixel and logic regions. The design includes a first resist protect oxide (RPO) layer over the pixel region, alongside the formation of silicide contacts that optimize the device's performance. These advancements not only improve light reflection back to the sensor but also mitigate damage caused by overetching.

The second patent highlights a new structure for crosstalk improvement using a P on N semiconductor composition. This invention comprises a semiconductor substrate combined with a unique photo-sensitive structure and a multi-layer interconnect (MLI) design. By incorporating a color filter and microlens, Liu's approach enhances the sensor's capability to capture high-quality images while minimizing crosstalk issues.

Career Highlights

Throughout his career, Han-Chi Liu has established himself as a leading figure in semiconductor innovation. His dedication to research and development at Taiwan Semiconductor Manufacturing Company Ltd. has resulted in numerous technological advancements that continue to shape the future of image sensing applications.

Collaborations

In his journey, Liu has worked alongside talented professionals like Chung-Wei Chang and Shou-Gwo Wuu. Their collaborations have fostered a dynamic environment for innovation, contributing to the success of several cutting-edge projects and patents.

Conclusion

Han-Chi Liu's impressive array of patents and his role at Taiwan Semiconductor Manufacturing Company Ltd. illustrate his significant impact on the field of image sensing technology. His continual pursuit of innovation not only benefits his company but also propels the entire industry forward. As Liu's work progresses, his inventions will undoubtedly play a crucial role in shaping the future of imaging technology.

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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