Ayaka Sawada

Title: Ayaka Sawada and Advances in Ferrous Alloy Foil

Introduction

Ayaka Sawada is an inventor associated with Nippon Steel Chemical & Material Co., Ltd. Her patent work concerns extremely thin ferrous alloy foil for metal masks used to improve the precision of electronic components. The supplied information lists 1 patent for her.

Latest Patents

Sawada is named on the patent “Ferrous alloy foil, manufacturing method therefor, and component using same.” The invention addresses etching failures and pinholes in ferrous alloy foil with a thickness of 10–30 μm.

The patent describes a foil composition based primarily on iron, with specified limits for elements including carbon, silicon, manganese, nickel, chromium, nitrogen, aluminum, cobalt, magnesium, calcium, titanium, phosphorus, and sulfur. It also sets limits on the composition and size distribution of inclusions, aiming to reduce defects that can affect foil processing and performance.

Career Highlights

The available information connects Sawada’s patent activity with Nippon Steel Chemical & Material Co., Ltd. Her listed invention focuses on material composition and inclusion control, addressing manufacturing challenges in thin foil used for precision metal masks.

Collaborations

Hiroto Unno and Atsushi Yashiro are identified as Sawada’s coworkers. The supplied information does not specify their roles in the patent or the nature of their collaboration.

Conclusion

Ayaka Sawada’s listed patent addresses the quality and manufacturability of thin ferrous alloy foil, with potential relevance to precision metal masks and electronic components.