Allen P Ho

Title: Innovations by Allen P Ho

Introduction

Allen P Ho is a notable inventor based in Sunnyvale, CA. He has made significant contributions to the field of semiconductor technology, holding 2 patents that showcase his expertise and innovative spirit. His work primarily focuses on methods that enhance the performance and efficiency of semiconductor devices.

Latest Patents

One of Allen P Ho's latest patents is a method of forming wide, deep dielectric filled isolation trenches in silicon semiconductor substrates. This method involves creating a wide plug of chemical vapor deposited silicon dioxide in the trench and filling the remaining unfilled portions with a layer of silicon dioxide. The result is chemically pure, planar wide deep dielectric filled isolation trenches, which can also be used to produce narrow deep dielectric filled isolation trenches simultaneously.

Another significant patent is the polysilicon-base self-aligned bipolar transistor process. This process improves the formation of bipolar transistors in silicon substrates. It includes several steps such as depositing a layer of doped polysilicon, applying silicon dioxide, and utilizing photolithography to mask the intrinsic base region. The process ultimately enhances the performance of bipolar transistors, making them more efficient.

Career Highlights

Allen P Ho is currently employed at International Business Machines Corporation (IBM), where he continues to innovate and contribute to advancements in semiconductor technology. His work has had a lasting impact on the industry, and he is recognized for his technical expertise and innovative approaches.

Collaborations

Throughout his career, Allen has collaborated with esteemed colleagues such as Cheng Tzong Horng and Shao-Fu S Chu. These collaborations have further enriched his work and contributed to the development of groundbreaking technologies in the semiconductor field.

Conclusion

Allen P Ho's contributions to semiconductor technology through his patents and work at IBM highlight his role as a leading inventor in the industry. His innovative methods and processes continue to influence the development of advanced semiconductor devices.