Company Filing History:
Years Active: 2016-2023
Title: Inventor Masafumi Hirose: Innovations in Wafer Processing
Introduction
Masafumi Hirose is a notable inventor based in Tokyo, Japan, known for his significant contributions to the field of wafer processing. With a total of three patents to his name, Hirose has developed innovative solutions aimed at enhancing efficiency and reliability in various applications.
Latest Patents
Hirose's latest patents include a formulation and processing solution for the wafer dicing process. This formulation comprises 1.0 to 1.5 mass % of a partially saponified polyvinyl alcohol with a polymerization degree of 200 to 400 and a saponification degree of 75 to 85 mol %. It also includes 0.4 to 0.6 mass % of polyoxyethylene-polyoxypropylene glycol ether, with specific molecular weights and ratios, along with pure water. This processing solution, diluted extensively, effectively removes dicing offcuts and adhesive residue from the wafer during the dicing process.
Another key patent is a protective film material for laser processing, which includes a water-soluble adhesive combined with a water-soluble laser beam absorbent. This film is engineered to absorb laser beams at a specific wavelength, significantly reducing debris generation during processing. The water-soluble adhesive is ideally a blend of polyvinyl alcohol and poly-N-vinyl acetamide, offering a reliable and effective solution for laser beam applications.
Career Highlights
Hirose works at Nikka Seiko Co., Ltd., where he continues to apply his expertise in materials and processing techniques. His innovative work has positioned him as a valuable asset within the company, contributing to advancements in semiconductor manufacturing and laser processing technologies.
Collaborations
Throughout his career, Hirose has collaborated with distinguished colleagues including Tsuyoshi Tadano and Masaaki Shinjo. These collaborations have fostered a creative environment, leading to the successful development of cutting-edge technologies and solutions.
Conclusion
In summary, Masafumi Hirose's work exemplifies innovation and dedication in the field of wafer processing. His patents and collaborations showcase a commitment to improving manufacturing techniques, which significantly impact the electronics industry. As technology continues to evolve, Hirose's contributions will undoubtedly play a crucial role in shaping future advancements.