Kumiko Akashika

Title: Kumiko Akashika: Innovator in Surface and Stress Measurement Technologies

Introduction

Kumiko Akashika is a prominent inventor based in Kyoto, Japan. She has made significant contributions to the field of measurement technologies, particularly in the areas of surface form and stress measurement. With a total of 2 patents, her work has advanced the capabilities of measuring techniques used in various applications.

Latest Patents

Kumiko's latest patents include a surface form measuring apparatus and a stress measuring apparatus, along with their respective methods. The stress measuring apparatus utilizes reflected light emitted to a substrate through an objective lens. This innovative design allows for the acquisition of an image of a light shielding pattern positioned at the aperture stop part of the optical system. The control part of the apparatus processes outputs from the imaging part to obtain gradient vectors and surface form data of the substrate. This enables the easy and rapid measurement of stress in films formed on the substrate. Additionally, her film thickness measurement apparatus employs an ellipsometer to acquire the polarization state of a film on a substrate, enhancing the precision of film thickness measurements.

Career Highlights

Kumiko Akashika is associated with Dainippon Screen Mfg. Co., Ltd., where she has been instrumental in developing advanced measurement technologies. Her work has not only contributed to the company's innovation portfolio but has also positioned her as a key figure in the field of optical measurement.

Collaborations

Throughout her career, Kumiko has collaborated with notable colleagues, including Masahiro Horie and Fujikazu Kitamura. These collaborations have fostered a creative environment that has led to the development of cutting-edge technologies in measurement.

Conclusion

Kumiko Akashika's contributions to measurement technologies exemplify her innovative spirit and dedication to advancing the field. Her patents reflect a commitment to improving measurement techniques, making her a significant figure in the industry.