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Title: Masaki Konishi: Innovator in Silicon Carbide Semiconductor Technology
Introduction
Masaki Konishi is a prominent inventor based in Toyota, Japan. He has made significant contributions to the field of semiconductor technology, particularly in silicon carbide devices. With a total of 9 patents to his name, Konishi has established himself as a key figure in innovation.
Latest Patents
Among his latest patents is a silicon carbide semiconductor device that includes various components such as a substrate, a drift layer, a current dispersion layer, a base region, a source region, trenches, a gate insulation film, a gate electrode, a source electrode, a drain electrode, and a bottom layer. This innovative device features a current dispersion layer arranged on the drift layer, which has a first conductive type with an impurity concentration higher than that of the drift layer. Additionally, the bottom layer has a second conductive type and is arranged under the base region, covering the bottom of each trench, including the corner portion, with a depth equal to or deeper than the current dispersion layer.
Another notable patent is a method of manufacturing a silicon carbide semiconductor device. This method involves forming a drift layer on a substrate, creating a base layer on the drift layer, and forming a trench that penetrates the base layer to reach the drift layer. The process includes rounding off parts of the trench corners, covering the inner wall of the trench with an organic film, implanting an impurity into the base layer, and forming a source region by activating the implanted impurity.
Career Highlights
Masaki Konishi has worked with notable companies such as Denso Corporation and Toyota Motor Corporation. His experience in these organizations has allowed him to develop and refine his expertise in semiconductor technology.
Collaborations
Throughout his career, Konishi has collaborated with talented individuals, including Hirokazu Fujiwara and Takeo Yamamoto. These collaborations have contributed to his innovative work in the semiconductor field.
Conclusion
Masaki Konishi's contributions to silicon carbide semiconductor technology highlight his role as a leading inventor in the industry. His patents and career achievements reflect his dedication to advancing technology and innovation.