Masami Etchu is a prominent inventor based in Yokohama, Japan. With an impressive portfolio of 17 patents, she has made significant contributions to the field of polymer technology, particularly in the development of specialty films. Her work is characterized by innovations that enhance material properties for various applications in the electronics and packaging industries.

Latest Patents

Among her latest patents are:

1. **Biaxially Oriented, Polyethylene-2,6-Naphthalate Film**

This innovative film is designed for producing magnetic recording media. It boasts a Young's modulus of at least 550 kg/mm² in the longitudinal direction and 800 kg/mm² in the transverse direction, with a notable requirement that the transverse modulus exceeds the longitudinal by over 200 kg/mm². Additionally, it features a surface roughness of Ra 1-12 nm and low heat shrinkage, while comprising 0.005-2% by weight of inorganic or organic fine particles.

2. **Biaxially Oriented Polyester Film**

This film excels in resisting both dry and wet heat deterioration, making it suitable for environments with high moisture content. Its versatile applications include electrical insulating films, transparent electrode films, and films for electromagnetic wave absorption, such as inspection windows in microwave ovens. The polyester composition primarily consists of 99.5 to 95 mole % of ethylene-2,6-naphthalenedicarboxylate, with specific density and viscosity parameters ensuring high performance.

Career Highlights

Masami Etchu is a leading inventor at Teijin Limited, a recognized name in the specialty materials sector. Her focus on developing advanced polymer films has been instrumental in the company's product innovations and competitiveness in the market.

Collaborations

Throughout her career, Masami has collaborated with talented individuals such as Masahiro Hosoi and Yasuhiro Saeki. Together, they have contributed to the advancement of polymer technology, fostering a collaborative environment that enhances creativity and innovation within the organization.

Conclusion

Masami Etchu's contributions to the field of polymer technology through her innovative patents set her apart as a leading figure in materials science. With her ongoing commitment to research and development at Teijin Limited, she continues to pave the way for future innovations that will shape various industries reliant on specialty films.

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