Company Filing History:
2 out of 622 
2 out of 490 
Years Active: 1976-1993
Title: Walter Precht: Innovator in Semiconductor Technology
Introduction
Walter Precht is an accomplished inventor based in Towson, MD, known for his significant contributions to semiconductor technology. With a total of four patents to his name, his work has had a profound impact on the development of silicon carbide semiconductor devices, paving the way for advancements in high-temperature and high-power applications.
Latest Patents
One of Precht's most notable patents involves a semiconductor wafer base designed for silicon carbide devices. This invention features a single crystal substrate composed of a transition metal carbide alloy with a cubic crystal structure. It incorporates an unpolytyped, single crystal 3C-silicon carbide overlay that is epitaxially related to the substrate. The substrate itself is preferably an alloy of titanium carbide, tantalum carbide, vanadium carbide, and niobium carbide, with a lattice parameter differing from 3C-silicon carbide by less than approximately 1%. This innovative combination allows for the production of large, single crystal substrates that are free from cracks or defects, making them highly suitable for the epitaxial deposition of 3C-silicon carbide. Techniques such as chemical vapor deposition and reactive evaporation can be utilized for the deposition process. Furthermore, the 3C-silicon carbide material is particularly beneficial for fabricating semiconductor devices that operate efficiently in high temperatures, high powers, and harsh corrosive environments.
Career Highlights
Throughout his professional journey, Walter Precht has made significant contributions while working for renowned companies, including Advanced Technology Materials, Inc. and Martin Marietta Corporation. His expertise and innovative spirit have consistently driven advancements in the semiconductor field.
Collaborations
In his pursuit of innovation, Precht has collaborated with esteemed colleagues, including Richard Koba and Donald Kupp. Together, they have shared ideas and expertise, contributing to the development of groundbreaking technologies in semiconductor design and fabrication.
Conclusion
Walter Precht stands out as an influential inventor in the realm of semiconductor technology, with a keen focus on enhancing the capabilities of silicon carbide devices. His unique patents and collaborative efforts with industry professionals attest to his dedication to innovation, making significant strides in the field. Through his work, Precht continues to contribute to advancements that will shape the future of high-performance semiconductor applications.