Weichu Qiu

Title: Weichu Qiu: Semiconductor Photodetector Structures

Introduction

Weichu Qiu is an inventor associated with GlobalFoundries Singapore Pte. Ltd. in Singapore. His patent work concerns semiconductor structures that integrate photodetectors with deep-trench isolation and electrical connections.

Latest Patents

Qiu is credited with 1 patent: “Structures Including a Photodetector and Multiple Deep Trenches.” The invention describes a semiconductor structure with a photodetector, such as a single-photon avalanche diode, formed in a well within a semiconductor layer. A deep-trench isolation region surrounds the photodetector and includes a conductor layer extending through the semiconductor layer. The structure also includes a bond pad connected through the semiconductor layer by a second conductor layer. These features bring photodetection, isolation, and electrical connection together in a compact semiconductor design.

Career Highlights

Qiu’s listed patent reflects work on semiconductor device architecture, particularly the integration of photodetectors and deep-trench structures. His affiliation with GlobalFoundries Singapore Pte. Ltd. connects this work to semiconductor manufacturing and technology development.

Collaborations

Qiu’s listed coworkers include Wanbing Yi and Yong Chau Ng. Their shared association with the patent points to collaborative work on photodetector structures and related semiconductor methods.

Conclusion

Weichu Qiu’s patent highlights an approach to integrating a photodetector, deep-trench isolation, and electrical connections within a semiconductor structure.