Location History:
- Hyogo, JP (1986)
- Nagareyama, JP (1991 - 1992)
Company Filing History:
Years Active: 1986-1992
Title: Shun-ichi Hiraki: Innovator in Semiconductor Technology
Introduction
Shun-ichi Hiraki is a notable inventor based in Nagareyama, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on improving the manufacturing processes of semiconductor devices, which are crucial in modern electronics.
Latest Patents
Hiraki's latest patents include a method of rendering the impurity concentration of a semiconductor wafer. This invention involves ion-implanting various impurities into a wafer before a predetermined manufacturing process, followed by annealing at high temperatures. This method enhances the uniformity of impurity concentration, reduces variability in semiconductor device characteristics, and ultimately improves product yield and quality. Another significant patent is a method of manufacturing semiconductor devices that addresses unwanted crystal defects generated by ion implantation. This process involves heat treatment in an inert gas atmosphere to recrystallize the implanted region, followed by additional heat treatment in an oxygen-containing atmosphere. These innovations contribute to the reliability of semiconductor devices, such as power MOSFETs.
Career Highlights
Hiraki is associated with Kabushiki Kaisha Toshiba, a leading company in the technology sector. His work at Toshiba has allowed him to apply his innovative ideas in a practical setting, contributing to advancements in semiconductor manufacturing.
Collaborations
Hiraki has collaborated with notable coworkers, including Shigeo Yawata and Yoshikazu Usuki. Their combined expertise has fostered a productive environment for innovation in semiconductor technology.
Conclusion
Shun-ichi Hiraki's contributions to semiconductor technology through his patents and work at Toshiba highlight his role as a key innovator in the field. His inventions not only enhance manufacturing processes but also improve the overall quality and reliability of semiconductor devices.