Location History:
- Monroeville, PA (US) (1977 - 1981)
- Murrysville Boro, PA (US) (1991)
- Murrysville, PA (US) (1990 - 1998)
- Murraysville, PA (US) (1999)
- Export, PA (US) (1998 - 2000)
Company Filing History:
9 out of 3,387 
7 out of 8,033 Years Active: 1977-2000
Title: Richard H. Hopkins: A Pioneering Inventor in Silicon Technology
Introduction
Richard H. Hopkins, an esteemed inventor based in Murrysville, PA, holds an impressive portfolio of 16 patents. His innovative contributions primarily focus on advanced methods for growing high-purity silicon and semiconductor-grade silicon carbide, which are crucial in various tech applications.
Latest Patents
Hopkins's most recent patents include an advanced physical vapor transport method and apparatus designed for growing high-purity silicon feedstock. In this innovative process, the silicon feedstock is melted and vaporized within a physical vapor transport furnace. The vaporized silicon is then reacted with a high-purity carbon member, such as a porous carbon disc, positioned directly above the molten silicon. The reaction generates gaseous species that are deposited on a silicon carbide seed crystal located above the disc, facilitating the growth of monocrystalline silicon carbide. Additionally, in another embodiment, various gases, potentially including a carbon-containing gas, are introduced into the furnace to enhance the growth process. Another notable patent details a method for growing high purity single crystal silicon, specifically focusing on the production of semiconductor-grade silicon carbide boules using similar processes.
Career Highlights
Throughout his career, Richard H. Hopkins has contributed his expertise to reputable corporations such as Northrop Grumman Systems Corporation and Westinghouse Electric Corporation. His work has significantly advanced the field of semiconductor technology.
Collaborations
During his journey, Hopkins collaborated with several professionals in the industry, including Donovan L. Barrett and the late Raymond G. Seidensticker. These collaborations have helped propel his inventions to new heights, solidifying advancements in silicon technology.
Conclusion
Richard H. Hopkins stands out as a pivotal figure in the field of semiconductor innovations. With a solid foundation of patents and a career characterized by collaborative efforts, he continues to influence technology through his groundbreaking work in silicon and silicon carbide growth methods.