Company Filing History:
Years Active: 1990-1992
Title: Shigeru Moriyama: Innovator in Semiconductor Technology
Introduction
Shigeru Moriyama is a prominent inventor based in Himeji, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on improving the manufacturing processes and quality of semiconductor devices.
Latest Patents
Moriyama's latest patents include a method of rendering the impurity concentration of a semiconductor wafer. This invention provides a method for manufacturing semiconductor devices that involves ion-implanting impurities such as As, P, Sb, Si, B, Ga, and Al into a wafer before a predetermined manufacturing process. The wafer is then annealed at a temperature of at least 900°C. This process improves the nonuniformity of impurity concentration, decreases the differences in characteristics among the semiconductor devices, increases product yield, and enhances the overall quality of the devices.
Another notable patent is a method of producing a semiconductor device that features both front and back surfaces. This semiconductor device consists of a substrate with multiple semiconductor regions, a front surface electrode in contact with these regions, and a back surface electrode made of a gold alloy layer and a silver layer. After forming the front surface electrode, the back side of the substrate is polished, followed by the formation of the gold alloy and silver layers on the polished back surface.
Career Highlights
Shigeru Moriyama is associated with Kabushiki Kaisha Toshiba, a leading company in the technology sector. His work at Toshiba has allowed him to contribute to advancements in semiconductor technology, making a lasting impact on the industry.
Collaborations
Moriyama has collaborated with notable coworkers such as Kinzo Tao and Yoshio Yamamoto. Their combined expertise has furthered the development of innovative semiconductor solutions.
Conclusion
Shigeru Moriyama's contributions to semiconductor technology through his patents and work at Toshiba highlight his role as an influential inventor in the field. His innovations continue to shape the future of semiconductor manufacturing and device quality.