This inventor holds 3 USPTO granted patents. Top assignee: Sekisui Chemical Co., Ltd.. Active years: 2015-2017.
Company Filing History:
Years Active: 2015-2017
Title: Innovations by Shujiro Sadanaga in Semiconductor Technology
Introduction
Shujiro Sadanaga is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of adhesives for mounting flip chips. His work focuses on enhancing the reliability of semiconductor devices by addressing common issues such as voids during production.
Latest Patents
Sadanaga holds 3 patents related to his innovative methods. His latest patents include a method for producing a semiconductor device that aims to achieve high reliability by suppressing voids. The first patent details a flip-chip mounting adhesive designed for this method. The process involves several steps: positioning a semiconductor chip on a substrate using an adhesive, heating the chip to bond it to the substrate, and removing voids by heating the adhesive under a pressurized atmosphere. The adhesive is characterized by an activation energy of 100 kJ/mol or less, with specific reaction rates at elevated temperatures.
Career Highlights
Sadanaga is currently associated with Sekisui Chemical Co., Ltd., where he continues to innovate in the semiconductor field. His work has been instrumental in advancing the technology used in semiconductor manufacturing, making it more efficient and reliable.
Collaborations
Some of his notable coworkers include Sayaka Wakioka and Yoshio Nishimura, who contribute to the collaborative efforts in research and development within the company.
Conclusion
Shujiro Sadanaga's contributions to semiconductor technology through his innovative patents and collaborative work highlight his importance in the field. His focus on improving manufacturing processes ensures that semiconductor devices are more reliable and efficient.