Yasutaka Horigome

Title: Yasutaka Horigome: Innovator in Semiconductor Technology

Introduction

Yasutaka Horigome is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work focuses on advancements in mask blanks and phase shift masks, which are crucial for semiconductor manufacturing.

Latest Patents

Horigome's latest patents include innovative designs for mask blanks and methods for manufacturing semiconductor devices. One of his notable inventions is a mask blank that features a phase shift film on a light-permeable substrate. This film includes a nitrogen-containing layer made from a silicon nitride-based material and an oxygen-containing layer made from a silicon oxide-based material. The invention specifies that the ratio of the maximum peak of photoelectron intensity in the nitrogen-containing layer to that in the light-permeable substrate should be 1.09 or less. Another patent describes a mask blank with a phase shift film composed of a material containing a non-metallic element and silicon, which includes multiple layers with specific refractive indexes and extinction coefficients.

Career Highlights

Yasutaka Horigome is currently associated with Hoya Corporation, a leading company in the optical and semiconductor industries. His work has been instrumental in enhancing the efficiency and effectiveness of semiconductor manufacturing processes.

Collaborations

Horigome has collaborated with notable colleagues, including Hitoshi Maeda and Ryo Ohkubo. Their combined expertise has contributed to the development of advanced technologies in the semiconductor field.

Conclusion

Yasutaka Horigome's innovative contributions to semiconductor technology through his patents and collaborations highlight his importance in the industry. His work continues to influence advancements in manufacturing processes, making him a key figure in the field.