Company Filing History:
Years Active: 2000
Title: **Atsuko Fujii: Pioneer in Dielectric Ceramic Innovation**
Introduction
Atsuko Fujii is an accomplished inventor based in Funabashi, Japan, known for her contributions to the field of dielectric ceramics. With her innovative approach, she has secured a patent that showcases her expertise in materials science.
Latest Patents
Atsuko Fujii holds a notable patent for a dielectric ceramic composition. This invention includes a compound from the BaTiO3—Nb2O5—Co3O4 group, which contains a specific range of components. The composition consists of 1.1-1.4 mole percent of Nb2O5 and Co3O4, where the molar ratio of Nb2O5 to Co3O4 ranges from 4.4 to 5.0. Additionally, it includes a selection of additives: 0.02-0.06% by weight of MnCO3, 0.02-0.25% by weight of Nd2O3, 0.02-0.10% by weight of Y2O3, and 0.05-0.15% by weight of Al2O3. Laminated ceramic capacitors utilizing this dielectric ceramic material have demonstrated impressive performance characteristics, including a capacity changing ratio of less than 15% over a temperature range from -55°C to +125°C, a dielectric loss of less than 3.5%, and a dielectric constant exceeding 4000.
Career Highlights
Fujii's career has been marked by her role at U.S. Philips Corporation, where she has significantly impacted the development of ceramic materials. Her innovative work in dielectric ceramics has opened new avenues for research and development within the industry, especially in creating high-performance electronic components.
Collaborations
Throughout her career, Atsuko Fujii has collaborated with several esteemed colleagues, including Hitoshi Masumura and Kiyotaka Saito. These collaborations have contributed to the success and advancement of her inventions, enhancing the capabilities and applications of dielectric ceramic technologies.
Conclusion
Atsuko Fujii stands out as a prominent figure in the field of ceramic materials, with her patented dielectric ceramic composition representing a substantial contribution to electronics and materials science. Her work not only highlights her innovative spirit but also emphasizes the importance of collaboration in achieving groundbreaking advancements in technology.