Yoshimasa Horii

Title: The Innovative Contributions of Yoshimasa Horii in Semiconductor Technology

Introduction: Yoshimasa Horii, an esteemed inventor based in Kawasaki, Japan, has made significant strides in the realm of semiconductor technology. With an impressive portfolio of 17 patents, he has demonstrated a commitment to pushing the boundaries of innovation in the industry.

Latest Patents: Among his latest inventions, Horii holds a patent for a manufacturing method of a semiconductor device. This method involves a capacitor lower electrode formed on an adhesive layer with a surface roughness of 0.79 nm or less. This electrode possesses a (111) orientation that is inclined from a perpendicular direction to the substrate's upper surface by 2.3° or less, paired with a ferroelectric layer that maintains a similar orientation with an inclination of 3.5° or less. This innovative design aims to enhance miniaturization, high integration, and the reliability of memory structures. Furthermore, his patent titled "Semiconductor device and its manufacturing method" showcases a 1 transistor 1 capacitor (1T1C) structure, which optimizes the configuration of ferroelectric capacitor structures in memory cells, optimizing the use of interlayer insulating films of varying heights.

Career Highlights: Throughout his career, Yoshimasa Horii has worked with notable companies, including Fujitsu Corporation and Fujitsu Semiconductor Limited. His contributions have laid essential groundwork in the evolution of semiconductor devices, confirming his status as a pivotal figure in the field.

Collaborations: Horii's journey has also been marked by collaborations with esteemed colleagues, such as Kazuaki Takai and Wensheng Wang. These collaborations have fostered a productive environment where innovative ideas flourish, further enhancing the advancements in semiconductor technology.

Conclusion: Yoshimasa Horii's relentless pursuit of innovation has significantly impacted semiconductor manufacturing methods. His groundbreaking patents reflect not only his technical expertise but also his dedication to enhancing device reliability and miniaturization. As a prominent inventor in the industry, Horii continues to inspire future generations of engineers and inventors in the semiconductor sector.