This inventor holds 5 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1999-2003.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kanagawa-ken, JP (2001)
- Kawasaki, JP (1999 - 2003)
Company Filing History:
Years Active: 1999-2003
Title: Eiji Murakami: Innovator in Charged Beam Exposure Systems
Introduction
Eiji Murakami is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of charged beam exposure systems, holding a total of 5 patents. His work has advanced the technology used in pattern lithography, which is essential for various applications in electronics and materials science.
Latest Patents
Murakami's latest patents include a charged beam exposure system and an electron beam exposure apparatus. The charged beam exposure system features a movable stage for supporting a specimen, a charged beam generator, and a main deflector for deflecting the charged beam. It also includes a stage moving unit for scanning, along with a pattern writing time calculation unit and a writing speed calculation unit. This system allows for multi-pass writing, where multiple stripes cover one frame, optimizing the writing speed based on pattern density.
The electron beam exposure apparatus is designed for lithographing patterns with reference to pattern data by deflecting an electron beam. It consists of a controller that analyzes pattern data, an extracting unit that retrieves parts of the data, and a dividing unit that breaks down the data into smaller sub-patterns. This innovative approach allows for efficient lithography by enabling multiple lithography processes on shared sub-patterns.
Career Highlights
Eiji Murakami is currently employed at Kabushiki Kaisha Toshiba, where he continues to develop cutting-edge technologies in the field of charged beam exposure. His expertise and innovative mindset have positioned him as a key player in advancing lithography systems.
Collaborations
Murakami has collaborated with notable colleagues such as Hitoshi Higurashi and Shigehiro Hara. Their combined efforts have contributed to the success of various projects and innovations within their field.
Conclusion
Eiji Murakami's contributions to charged beam exposure systems and electron beam lithography have significantly impacted the technology landscape. His patents reflect a commitment to innovation and excellence in engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile