This inventor holds 9 USPTO granted patents. Top assignees: Santa Barbara Research Center, Raytheon Company. Active years: 1990-2001.
Company Filing History:
Years Active: 1990-2001
Title: The Innovations of William L. Ahlgren
Introduction
William L. Ahlgren is a notable inventor based in Goleta, California. He has made significant contributions to the field of semiconductor technology, holding a total of 9 patents. His work primarily focuses on the development of advanced materials and devices that enhance the performance of semiconductor applications.
Latest Patents
One of Ahlgren's latest patents is titled "Ohmic contacts for p-type wide bandgap II-VI semiconductor materials." This invention describes a semiconductor device that includes an active element and contacts that allow for low-resistance external electrical connections. The active element consists of an active layer formed from group II-VI elements, with an n-doped layer on one side and a p-doped layer on the other. The p-doped layer can be a ZnSe-based or ZnTe-based alloy, and the electrical contact to this layer features a graded-alloy contact layer that varies in bandgap. Another significant patent is "Multilayer buffer structure including II-VI compounds on a silicon." This invention involves a HgCdTe compound that epitaxially contacts a buffer structure made of II-VI compounds, which in turn contacts a silicon substrate. The buffer structure is designed to optimize the performance of the semiconductor device.
Career Highlights
Throughout his career, Ahlgren has worked with prominent companies such as Santa Barbara Research Center and Raytheon Company. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.
Collaborations
Ahlgren has collaborated with notable individuals in the field, including Eric Frank Schulte and William J. Hamilton, Jr. These collaborations have contributed to the advancement of semiconductor research and development.
Conclusion
William L. Ahlgren's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the field, paving the way for future innovations in semiconductor materials and devices.