Takashi Ushijima

Title: Takashi Ushijima: Innovator in Semiconductor Manufacturing

Introduction

Takashi Ushijima is a notable inventor based in Nisshin, Japan. He has made significant contributions to the field of semiconductor manufacturing, particularly through his innovative patent. His work has implications for the efficiency and effectiveness of semiconductor devices, which are crucial in modern electronics.

Latest Patents

Ushijima holds a patent for a manufacturing method of semiconductor devices. This method includes a trench forming step, a laser irradiation step, and a peeling step. In the trench forming step, a trench is created on the first main surface of a semiconductor substrate that has a device structure. The laser irradiation step involves irradiating a laser from the second main surface of the substrate to a plane surface at a predetermined depth. Finally, the peeling step allows for the device layer to be peeled off from the substrate along the plane surface where the laser was applied. This innovative approach can be performed with trenches that are either unfilled or filled with a material that has a lower coefficient of thermal expansion than the semiconductor substrate.

Career Highlights

Throughout his career, Takashi Ushijima has worked with prominent companies in the automotive and technology sectors. He has been associated with Denso Corporation and Toyota Motor Corporation, where he has contributed to advancements in semiconductor technology.

Collaborations

Ushijima has collaborated with notable colleagues, including Kozo Kato and Yoshitaka Nagasato. Their combined expertise has likely enhanced the development of innovative solutions in semiconductor manufacturing.

Conclusion

Takashi Ushijima's contributions to semiconductor manufacturing through his patented methods highlight his role as an influential inventor in the field. His work continues to impact the technology landscape, paving the way for future innovations.