Yoko Maeda

Title: Yoko Maeda: Innovator in Composite Substrate Technology

Introduction

Yoko Maeda is a prominent inventor based in Itami, Japan, known for her significant contributions to the field of semiconductor technology. With a total of two patents to her name, she has made remarkable advancements in the manufacturing of composite substrates.

Latest Patents

Maeda's latest patents include a groundbreaking invention titled "Composite Substrate." This invention describes an epitaxial-deposition composite substrate with a diameter of more than about 50 mm. It features a nitride-compound semiconductor first substrate bonded to a second substrate, which can be made of identical or different materials. The first substrate undergoes ion implantation, and its nitrogen-face side is coated with a special film of a specific thickness. The bonding side of the second substrate also has a special coating, ensuring that the join created occupies at least 90% of the surface area where the two substrates meet. Another patent, "Method of Manufacturing Composite Substrate," outlines a detailed process for creating composite substrates, including steps for ion implantation, bonding, and temperature management to achieve optimal results.

Career Highlights

Yoko Maeda has established herself as a key figure in her field through her innovative work at Sumitomo Electric Industries, Limited. Her expertise in semiconductor technology has led to advancements that enhance the performance and reliability of composite substrates.

Collaborations

Maeda collaborates with notable colleagues, including Fumitaka Sato and Akihiro Hachigo, contributing to a dynamic research environment that fosters innovation and development in semiconductor technologies.

Conclusion

Yoko Maeda's contributions to composite substrate technology exemplify her dedication to innovation in the semiconductor industry. Her patents reflect a deep understanding of materials and manufacturing processes, positioning her as a leading inventor in her field.