Company Filing History:
Years Active: 2004
Title: Kazuhiro Mochizuki: Innovator in Heterojunction Bipolar Transistors
Introduction
Kazuhiro Mochizuki is a notable inventor based in Nagasaki, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of heterojunction bipolar transistors (HBTs). His innovative work focuses on improving the performance and efficiency of these devices.
Latest Patents
Mochizuki holds a patent for an invention titled "HBT with nitrogen-containing current blocking base collector interface and method for current blocking." This patent describes an improved HBT design that reduces the current blocking effect at the base-collector interface. By incorporating nitrogen at the base-collector interface, the conduction band energy of the collector can be aligned with that of the base, enhancing device performance. The preferred embodiment utilizes a nitrogen concentration of approximately 2% in a thin layer of about 20 nm at the base-collector interface. His invention includes both GaAs HBTs and InP transistors in various configurations, such as single and double heterojunction bipolar transistors and blocked hole bipolar transistors.
Career Highlights
Mochizuki is affiliated with the University of California, where he continues to advance research in semiconductor technologies. His work has garnered attention for its potential applications in various electronic devices, contributing to the evolution of modern electronics.
Collaborations
Mochizuki has collaborated with esteemed colleagues, including Charles W. Tu and Peter M. Asbeck. These partnerships have fostered a collaborative environment that enhances innovation and research in the field of semiconductor technology.
Conclusion
Kazuhiro Mochizuki's contributions to the development of heterojunction bipolar transistors exemplify the impact of innovative thinking in technology. His patent on the nitrogen-containing current blocking interface represents a significant advancement in semiconductor design.
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