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Years Active: 2012-2017
Title: Innovations of Allan MacDonald
Introduction
Allan MacDonald is a prominent inventor based in Austin, Texas, known for his significant contributions to the field of transistors and semiconductor technology. With a total of four patents to his name, MacDonald has made strides in improving energy efficiency and functionality in electronic devices.
Latest Patents
One of his latest patents is a transistor that employs collective magnetic effects, providing improved energy efficiency. This innovative device offers a mechanism for controlling charge current flow in transistors, overcoming voltage limitations associated with conventional MOSFETs. The design includes two or more magnetic stacks with an easy-in-plane ferromagnetic film sandwiched between oppositely magnetically oriented perpendicular magnetization anisotropy (PMA) ferromagnets. This configuration allows for charge current flow through one stack to control the current-voltage negative differential resistance characteristics of the second stack through collective magnetic interactions. This technology can be utilized in various digital logic gates, consuming less energy than traditional CMOS integrated circuits.
Another notable patent is the Topological Insulator-based Field-Effect Transistor (TINFET). This device features a first and second gate dielectric layer separated by a topological insulator (TI) layer. The design includes gate contacts connected to the dielectric layers and surface contacts connected to the TI layer, enhancing the performance and efficiency of electronic components.
Career Highlights
MacDonald has had a distinguished career, working with esteemed institutions such as the University of Texas System and Texas A&M University System. His work has significantly impacted the field of semiconductor research and development.
Collaborations
Throughout his career, Allan MacDonald has collaborated with notable colleagues, including Sanjay K. Banerjee and Leonard Franklin Register II. These collaborations have furthered advancements in the field of electronics and materials science.
Conclusion
Allan MacDonald is a key figure in the innovation of semiconductor technology, with patents that enhance energy efficiency and functionality in electronic devices. His contributions continue to influence the future of electronics and materials science.