Steve Kosier

Title: Steve Kosier: Innovator in High-Voltage MOSFET Technology

Introduction

Steve Kosier is a notable inventor based in Lakeville, MN (US). He has made significant contributions to the field of semiconductor technology, particularly in high-voltage MOSFET structures. With a total of 2 patents, his work has advanced the understanding and application of integrated circuits.

Latest Patents

Kosier's latest patents include innovative designs that enhance the performance of high-voltage MOSFETs. One of his patents focuses on a bond-pad structure that minimizes pad-substrate capacitance, which is crucial for the efficiency of high-voltage MOSFETs. This design features upper and lower polysilicon plates that are strategically placed between a metal bonding pad and a semiconductor substrate. The encapsulation of the lower polysilicon plate in dielectric materials allows it to float, while the upper plate is connected to the MOSFET's source. This configuration effectively reduces capacitance, improving the device's performance.

Another significant patent by Kosier involves a guard ring structure aimed at reducing crosstalk and latch-up in integrated circuits. This design includes a guard ring that surrounds power devices, which helps to mitigate parasitic current gain. The guard ring is formed in a semiconductor body layer and consists of a central ring of the same conductivity type as the body layer, along with additional flanking rings of the opposite conductivity type. This unbiased configuration is particularly effective in minimizing parasitic gain, enhancing the overall performance of integrated circuits.

Career Highlights

Throughout his career, Steve Kosier has worked with several companies, including Polarfab, LLC and Polar Semiconductor, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.

Collaborations

Kosier has collaborated with notable professionals in the field, including Sandhya Gupta and John Charles Beckman. These collaborations have contributed to the advancement of his projects and patents.

Conclusion

Steve Kosier's contributions to high-voltage MOSFET technology and integrated circuits demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to improving semiconductor performance, making him a significant figure in the field.