Goichi Yokoyama

Title: Goichi Yokoyama: Innovator in Semiconductor Technologies

Introduction

Goichi Yokoyama, an accomplished inventor based in Iruma, Japan, has made significant strides in the field of semiconductor technology. With two patents to his name, his work is pivotal in enhancing the efficiency and yield of semiconductor devices, which are essential components in modern electronics.

Latest Patents

Yokoyama’s latest patents include innovative advancements in the manufacturing method of semiconductor devices and the devices themselves. The first patent details a structure that achieves a desired integrated circuit by adhering multiple semiconductor substrates together. This method introduces a penetrating electrode that extends from the main surface to the rear surface of each semiconductor substrate, separated by a unique penetrating separation portion. By implementing this technique, the fabrication of semiconductor devices with improved three-dimensional structures is possible, ultimately enhancing their performance characteristics.

The second patent focuses on improving the manufacturing yield of multi-chip semiconductor devices stacked upon each other. It outlines a method where the conductive grooves' opening shapes are rectangular, ensuring a balanced number of conductive grooves directed in both the X and Y directions across the wafer. This design mitigates film stress during the embedding of the conductive film, thereby preventing issues like exfoliation, micro-cracks in the conductive film, and warping of the wafer.

Career Highlights

Goichi Yokoyama's professional journey includes significant tenure at prominent companies such as Hitachi, Ltd. and Honda Motor Co., Ltd. His experience in these industry-leading organizations has contributed to his expertise and innovation in semiconductor technology.

Collaborations

Throughout his career, Yokoyama has collaborated with notable colleagues, including Satoshi Moriya and Toshio Saito. Their collective expertise and teamwork have played a crucial role in advancing semiconductor innovations.

Conclusion

In conclusion, Goichi Yokoyama stands out as a key figure in the world of semiconductor inventions. His patents reflect a commitment to improving device efficiency and manufacturing processes, making substantial contributions to the electronics industry. His work not only exemplifies innovation but also sets a standard for future advancements in semiconductor technology.