Keisuke Koga

Title: Keisuke Koga: Innovator in Proximity Exposure Technology

Introduction

Keisuke Koga is a prominent inventor based in Tokyo, Japan. He is known for his innovative contributions to the field of proximity exposure technology. His work has significantly impacted the way mask patterns are replicated in various applications.

Latest Patents

Koga holds a patent for a "Proximity exposure method and machine therefor." This invention involves a method and apparatus for proximity exposure, where replications of mask patterns are executed. As a mask closely approaches a substrate, the displacement of the mask is detected. The atmospheric pressure between the mask and the substrate, or around the side of the mask opposite the substrate, is controlled to cancel the displacement of the mask. The apparatus includes positioning apparatus, a light source for exposing the mask pattern, displacement measuring means, and atmospheric pressure controlling means. He has 1 patent to his name.

Career Highlights

Koga is currently employed at Sortec Corporation, where he continues to develop and refine his innovative technologies. His work at Sortec has allowed him to collaborate with other talented professionals in the field.

Collaborations

Some of his notable coworkers include Nobufumi Atoda and Tohru Itoh. Their combined expertise contributes to the advancement of technology in their respective areas.

Conclusion

Keisuke Koga's contributions to proximity exposure technology exemplify the spirit of innovation. His patent and ongoing work at Sortec Corporation highlight his commitment to advancing the field.