Company Filing History:
Years Active: 1995-1996
Title: Yoshichika Iwamoto: Innovator in Alignment Technology
Introduction
Yoshichika Iwamoto, an accomplished inventor based in Kumagaya, Japan, holds three significant patents in the field of alignment technology. His work has contributed to advancements in processing area alignment, positioning methods, and apparatus used in manufacturing processes.
Latest Patents
Iwamoto's latest inventions include an innovative alignment method and alignment apparatus that utilize statistical calculations. This method focuses on aligning various processing areas on a substrate to predetermined reference positions within a static coordinate system. By measuring the coordinate positions of select processing areas and applying weighted statistical calculations, Iwamoto’s method ensures precise alignment crucial for manufacturing and productivity.
In addition, his positioning method and apparatus involve determining coordinates for exposure areas on photosensitive substrates. This novel approach calculates array coordinates based on measured positions, allowing precise alignment of a photosensitive substrate during exposure. The process further leverages statistical calculations to ensure that specific marks on a mask are accurately exposed on the substrate, improving efficiency and output quality.
Career Highlights
Throughout his career, Yoshichika Iwamoto has worked with prominent companies, particularly the Nikon Corporation, where he made significant contributions to the development of alignment technologies. His expertise in aligning exposure areas and substrate positioning has been influential in enhancing manufacturing processes.
Collaborations
Iwamoto has collaborated with notable colleagues in his field, including Hiroki Tateno and Nobuyuki Irie. These partnerships have facilitated the exchange of innovative ideas and techniques, allowing for richer advancements in the technology related to alignment and positioning.
Conclusion
Yoshichika Iwamoto's contributions to alignment methods and positioning technologies highlight his role as a significant inventor in the field. His innovative approaches, demonstrated through his patents, reflect his commitment to advancing manufacturing processes and improving efficiency in the industry. As his work continues to influence technology, Iwamoto stands out as a pivotal figure in the landscape of modern invention.