Company Filing History:
Years Active: 1989-1990
Title: Harumi Namba: Innovator in Semiconductor Laser Technology
Introduction
Harumi Namba is a prominent inventor based in Itami, Japan, known for her significant contributions to semiconductor laser technology. With a total of 2 patents, she has made remarkable advancements in the field, particularly in methods that enhance the performance and integration of semiconductor lasers.
Latest Patents
Namba's latest patents include a method of making a semiconductor laser using superlattice disordering. This innovation involves a buried heterojunction semiconductor laser that is suitable for integration with other electronic circuitry. The method allows for the width of a central stripe of the active region to be reduced beyond the physical size limitations of the connecting electrode. This design enables the semiconductor laser to oscillate in a stable manner with low threshold current. Additionally, the semiconductor laser features a portion of the surface of the upper cladding layer located above the disordered active layer regions, which is electrically connected with the upper cladding layer above the nondisordered central stripe. Consequently, the central stripe electrode can be wider than the central stripe itself.
Career Highlights
Namba is affiliated with Mitsubishi Denki Kabushiki Kaisha, where she continues to push the boundaries of semiconductor technology. Her work has been instrumental in developing lasers that are not only efficient but also compatible with various electronic systems.
Collaborations
Throughout her career, Namba has collaborated with notable colleagues, including Etsuji Omura and Katsuhiko Goto. These partnerships have fostered an environment of innovation and creativity, leading to groundbreaking advancements in their field.
Conclusion
Harumi Namba's contributions to semiconductor laser technology exemplify her dedication to innovation and excellence. Her patents reflect a deep understanding of the complexities involved in semiconductor design, paving the way for future advancements in electronic circuitry integration.
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