Noriaki Honma

Title: Noriaki Honma: Innovator in Measurement Technology

Introduction

Noriaki Honma is a distinguished inventor based in Nishitama, Japan. He has made significant contributions to the field of measurement technology, holding a total of 4 patents. His innovative work focuses on developing advanced apparatuses for measuring particles in liquids and carrier lifetimes in semiconductor wafers.

Latest Patents

One of Honma's latest patents is an "Apparatus for measuring particles in liquid." This apparatus includes a design that allows a sample liquid to flow from a nozzle into a gas stream. It features an arrangement for radiating light into the sample liquid stream coaxially with the stream's axis. Additionally, it collects light scattered by particles in the sample liquid stream and detects the collective light rays outside the stream.

Another notable patent is the "Apparatus for measuring carrier lifetimes of a semiconductor wafer." This invention utilizes two photon beams of different wavelengths to alternately irradiate a semiconductor sample. The apparatus detects the generated photovoltages through capacitance coupling and evaluates the minority carrier lifetime in the semiconductor sample based on the amplitude variations of the detected signals.

Career Highlights

Noriaki Honma is currently employed at Hitachi, Ltd., where he continues to push the boundaries of measurement technology. His work has been instrumental in enhancing the accuracy and efficiency of various measurement processes.

Collaborations

Honma has collaborated with notable coworkers, including Chusuke Munakata and Yoshitoshi Ito. Their combined expertise has contributed to the successful development of innovative measurement solutions.

Conclusion

Noriaki Honma's contributions to measurement technology through his patents and work at Hitachi, Ltd. highlight his role as a leading inventor in the field. His innovative approaches continue to influence advancements in measurement techniques.