Sumio Sasaki

Title: Sumio Sasaki: Innovator in Electron Measurement Technologies

Introduction

Sumio Sasaki is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of electron measurement technologies, holding a total of 2 patents. His work focuses on the analysis of backscattered electrons, which has important applications in various scientific and industrial fields.

Latest Patents

Sasaki's latest patents include an "Apparatus and method for measuring energy spectrum of backscattered electrons." This invention relates to an apparatus designed to analyze the energy of backscattered electrons generated from a specimen. The apparatus features an electron beam source for generating a primary electron beam, an electron optical system for directing the beam to the specimen, and an energy analyzing system to detect the energy spectrum of backscattered electrons emitted from the specimen. The energy analyzing system incorporates a Wien filter to disperse the backscattered electrons and a detector to measure their energy spectrum.

Another notable patent is the "Secondary particle detection system of scanning electron microscope." This invention includes a retarding power source that applies a retarding voltage to a specimen, a combined objective lens to focus the primary beam, and an electrostatic deflection system to direct the primary beam across the specimen's surface. The system also features scintillation detectors to detect secondary electrons emitted from the specimen, enhancing the capabilities of scanning electron microscopes.

Career Highlights

Throughout his career, Sumio Sasaki has worked with various companies, including Tasmit, Inc. and Ngr Limited. His experience in these organizations has contributed to his expertise in electron measurement technologies and has allowed him to develop innovative solutions in this field.

Collaborations

Sasaki has collaborated with notable individuals such as Makoto Kato and Yukihiro Tanaka. These collaborations have likely enriched his work and contributed to the advancements in the technologies he has developed.

Conclusion

Sumio Sasaki is a distinguished inventor whose work in electron measurement technologies has led to significant advancements in the field. His patents reflect his innovative approach and dedication to improving scientific analysis methods.