Janna Casady

Title: Janna Casady: Innovator in Semiconductor Technology

Introduction

Janna Casady is a prominent inventor based in Starkville, MS (US), known for her significant contributions to semiconductor technology. With a total of three patents to her name, she has made remarkable advancements in the field of vertical junction field effect transistors and silicon carbide devices.

Latest Patents

One of her latest patents focuses on vertical junction field effect transistors (VJFETs) with improved thermal characteristics. This invention addresses the challenge of heat dissipation at high current flow while maintaining desirable specific on-resistance and normalized saturated drain current properties. The VJFETs feature electrically active source regions in contact with the source metal and electrically inactive source regions that help dissipate heat generated during current flow.

Another notable patent describes self-aligned silicon carbide power MESFETs with enhanced current stability. This device includes raised source and drain regions separated by a gate recess, which reduces surface trapping effects even at low gate biases. The manufacturing process involves a self-aligned technique that utilizes an n-doped SiC layer on an n-doped SiC channel layer, leading to improved device performance.

Career Highlights

Janna has worked with reputable companies such as Semisouth Laboratories, Inc. and Power Integrations, Inc. Her experience in these organizations has allowed her to refine her skills and contribute to cutting-edge semiconductor technologies.

Collaborations

Throughout her career, Janna has collaborated with notable colleagues, including Igor Sankin and Joseph Neil Merrett. These partnerships have fostered innovation and have been instrumental in her research and development efforts.

Conclusion

Janna Casady's work in semiconductor technology exemplifies her dedication to innovation and excellence. Her patents reflect her expertise and commitment to advancing the field, making her a significant figure in the industry.