Company Filing History:
Years Active: 1980-1981
Title: Tamaki Kuki: Innovator in Junction Field Effect Transistors
Introduction
Tamaki Kuki is a prominent inventor based in Hamamatsu-shi, Japan. She has made significant contributions to the field of semiconductor technology, particularly in the development of junction field effect transistors (JFETs). With a total of 2 patents to her name, Kuki's work has advanced the understanding and manufacturing processes of these essential electronic components.
Latest Patents
Kuki's latest patents focus on the design and manufacturing methods of vertical and horizontal type junction FETs. These patents describe a channel-gate structure formed by a double diffusion process, where two treatments for diffusing different impurities are executed through an identical opening in a diffusion mask. For vertical type junction FETs, this process is applied to stacked upper and lower semiconductor layers with opposite conducting types. This results in a channel region adjacent to the upper semiconductor layer, which serves as a first gate region, and a second gate region that is remote from the first. In horizontal type junction FETs, the same double diffusion process is applied to a single semiconductor layer, forming a first gate region and a channel region adjacent to it. The width of each channel region is precisely determined, corresponding to the difference in diffusion depths from the two treatments. Additionally, the impurity concentration and concentration profile of each channel region are independently determined from those of the drain or source region. The manufacturing process ensures that the second gate region is self-aligned to overlap the corresponding channel region.
Career Highlights
Tamaki Kuki is currently employed at Nippon Gakki Seizo Kabushiki Kaisha, where she continues to innovate in the field of semiconductor technology. Her work has been instrumental in enhancing the performance and efficiency of junction field effect transistors, which are critical components in various electronic devices.
Collaborations
Kuki collaborates with notable colleagues, including Takashi Yoshida and Takeshi Matsuyama. Their combined expertise contributes to the advancement of semiconductor technologies and the successful development of innovative solutions in the industry.
Conclusion
Tamaki Kuki's contributions to the field of junction field effect transistors exemplify her dedication to innovation and excellence in semiconductor technology. Her patents and collaborative efforts continue to shape the future of electronic components.