Location History:
- Hitachinaka, JP (2003 - 2014)
- Tokyo, JP (2014 - 2019)
Company Filing History:
Years Active: 2003-2019
Title: Yuji Kasai: Innovator in Charged Particle Beam Technology
Introduction
Yuji Kasai is a prominent inventor based in Hitachinaka, Japan. He has made significant contributions to the field of charged particle beam technology, holding a total of 8 patents. His work has advanced the capabilities of charged particle beam devices, which are essential in various scientific and industrial applications.
Latest Patents
Among his latest patents is a charged particle beam apparatus that includes a charged particle source generating a charged particle beam. This device features a focus adjustment unit for adjusting the focal position of the beam, a deflection unit for scanning the beam on a sample, and a detection unit that identifies charged particles generated when the sample is irradiated. Additionally, it includes a detected charged particle selection unit and a control processing unit that optimizes focus and reference adjustments based on detection information. Another notable patent is a method for removing foreign substances in a charged particle beam device. This method involves applying a higher magnetic field and electric field to draw foreign substances close to an objective lens, allowing for their removal through a specialized voltage application process.
Career Highlights
Yuji Kasai has worked with notable companies such as Hitachi High-Technologies Corporation and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative technologies in charged particle beam applications.
Collaborations
Throughout his career, Kasai has collaborated with esteemed colleagues, including Hiroshi Makino and Hiroyuki Shinada. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Yuji Kasai's contributions to charged particle beam technology have established him as a key figure in the field. His innovative patents and collaborations reflect his commitment to advancing scientific research and industrial applications.