Masao Tokunaga

Title: Masao Tokunaga: Innovator in Phosphor Layer Technology

Introduction

Masao Tokunaga is a notable inventor based in Takatsuki, Japan. He is recognized for his contributions to the field of cathode ray tube technology, particularly in the development of methods for creating phosphor layers. His innovative approach has led to advancements in the quality and efficiency of phosphor application.

Latest Patents

Tokunaga holds a patent for a "Method for making a phosphor layer." This method involves applying a centrifugal force exceeding 100G in a direction parallel to the axis of a glass bulb toward its bottom panel. This technique facilitates the forced sedimentation of phosphor powder onto the inner surface of the bottom panel. As a result, a phosphor layer with a very fine and dense configuration and uniform thickness can be achieved, even when using small medium grain sizes of phosphor powder under 4 µm.

Career Highlights

Masao Tokunaga has made significant strides in his career, working with Matsushita Electronics Corporation. His work has been instrumental in enhancing the performance of cathode ray tubes, which are essential components in various electronic devices. His innovative methods have contributed to the advancement of display technologies.

Collaborations

Throughout his career, Tokunaga has collaborated with esteemed colleagues, including Masamichi Kimura and Mutsuo Masuda. These collaborations have fostered a creative environment that has led to further innovations in the field.

Conclusion

Masao Tokunaga's contributions to phosphor layer technology exemplify the impact of innovative thinking in the electronics industry. His patented methods continue to influence the development of high-quality display technologies.