Kunihiko Uchida

Title: Innovations by Kunihiko Uchida: A Journey in Electron Optics

Introduction

Kunihiko Uchida is an esteemed inventor based in Tokyo, Japan, recognized for his contributions to the field of electron optics. With a cumulative total of two patents, his work focuses on advancing technologies used in scanning electron microscopy.

Latest Patents

Uchida's latest patents include a "Method and apparatus for automatic focusing of scanning electron," which involves innovative methods for adjusting the focal plane of the electron beam to align with the specimen's surface. This process employs an auxiliary coreless coil with low inductance placed close to the objective lens, allowing varying current to manipulate the focal plane toward the optical axis. As the specimen is scanned by the electron beam, the secondary electrons are captured by a detector, and the maximum signal is selected for further processing. Another notable patent is an "Electromagnetic lens," which details a conical design optimizing spherical and chromatic aberration coefficients by adjusting the apex angle, allowing a beam of charged particles to pass through a coil wound around a conical bobbin.

Career Highlights

Kunihiko Uchida has made significant strides throughout his career at Jeol Ltd., a leading company in electron microscopy and related technologies. His inventive spirit and technical acumen have greatly contributed to the advancement of electron optics, pushing the boundaries of what is possible in this vibrant field.

Collaborations

Uchida has collaborated with notable colleagues, including Atsushi Yamada and Mitsuru Yamada. Their partnerships have fostered a dynamic environment for innovation and have led to the successful creation and refinement of advanced technological solutions within the company.

Conclusion

Overall, Kunihiko Uchida stands out as a prominent figure in the realm of electron optics innovation. His inventions not only enhance the capabilities of scanning electron microscopes but also represent critical advancements in scientific research methodologies. As such, his contributions continue to pave the way for new discoveries in various fields relying on precise electron microscopy.