Company Filing History:
Years Active: 1993-1995
Title: Hiroo Munekata: Innovator in Hetero-superlattice Technology
Introduction
Hiroo Munekata is a notable inventor based in Mahopac, NY (US). He has made significant contributions to the field of semiconductor technology, particularly in the development of hetero-superlattice structures. With a total of 2 patents, Munekata's work has paved the way for advancements in high-frequency light emission and magnetic signal conversion.
Latest Patents
One of Munekata's latest patents is titled "Hetero-superlattice PN junctions." This invention focuses on creating a hetero superlattice pn junction that combines n and p type superlattices into a single junction. The design allows for high-frequency light emission by utilizing a bandgap sufficient for blue or higher light. The process involves molecular beam epitaxy to form thin layers of well and barrier materials, which are carefully doped and adjusted to create an effective wide bandgap material.
Another significant patent is "Device for selective magnetization and method." This invention describes a method and device for converting electronic signals into magnetic signals in diluted magnetic semiconductors (DMS) materials. The device allows for the reversible control of carrier concentration, enabling transitions between different magnetic states based on the voltage supplied. This innovative approach utilizes superexchange interactions to achieve magnetic phase transitions.
Career Highlights
Hiroo Munekata is currently associated with International Business Machines Corporation (IBM), where he continues to push the boundaries of semiconductor research. His work has been instrumental in advancing technologies that have applications in various electronic devices.
Collaborations
Munekata has collaborated with notable colleagues, including Leroy L Chang and Supratik Guha. These partnerships have fostered a collaborative environment that enhances innovation and research in their respective fields.
Conclusion
Hiroo Munekata's contributions to the field of semiconductor technology through his patents and collaborations highlight his role as a leading inventor. His work continues to influence advancements in high-frequency light emission and magnetic signal conversion.