Horonobu Kitajima

Title: Horonobu Kitajima: Innovator in Semiconductor Technology

Introduction

Horonobu Kitajima is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the area of mask alignment systems. His innovative work has led to the development of a unique patent that enhances the precision of semiconductor manufacturing processes.

Latest Patents

Horonobu Kitajima holds a patent for the "Alignment of mask and semiconductor wafer using linear Fresnel zone plate." This system is designed to align a mask and a semiconductor wafer effectively. It comprises a radiation source that produces a radiation beam, a dual focus linear Fresnel zone plate on the mask for focusing the radiation beam onto the semiconductor wafer, and a diffraction grating on the wafer's surface. The system also includes a detector for detecting the diffracted beam and a movable stage for supporting the semiconductor wafer, all controlled by a responsive controller.

Career Highlights

Kitajima is associated with Fujitsu Corporation, where he has been instrumental in advancing semiconductor technologies. His work has not only contributed to the efficiency of manufacturing processes but has also positioned Fujitsu as a leader in the semiconductor industry.

Collaborations

Throughout his career, Horonobu Kitajima has collaborated with esteemed colleagues such as Shigeru Maruyama and Shunsuke Fueki. These collaborations have fostered innovation and have been pivotal in the development of cutting-edge technologies in the semiconductor field.

Conclusion

Horonobu Kitajima's contributions to semiconductor technology through his innovative patent and collaborations highlight his importance in the industry. His work continues to influence advancements in manufacturing processes, ensuring greater precision and efficiency in semiconductor production.