Location History:
- Cottage Grove, MN (US) (2012 - 2015)
- Denmark Township, MN (US) (2019)
Company Filing History:
Years Active: 2012-2019
Title: Richard Charles Bresnahan: Innovator in Vacuum Deposition Technology
Introduction
Richard Charles Bresnahan is a notable inventor based in Cottage Grove, MN (US). He has made significant contributions to the field of vacuum deposition technology, holding a total of 3 patents. His work focuses on improving the efficiency and reliability of deposition sources used in various applications.
Latest Patents
Bresnahan's latest patents include innovative systems that enhance the functionality of vacuum deposition sources. One of his key inventions is the "Bellows-free retractable vacuum deposition sources." This system eliminates the need for a bellows, allowing for source replacement or recharging without breaking the ultra-high vacuum of a growth module. The design includes source heads that offer a differential pumping option, which significantly improves the base pressure around the source head, thereby extending the lifetime of sources in challenging environments.
Another notable patent is for "Vacuum deposition sources having heated effusion orifices." This invention provides deposition sources that can efficiently vaporize materials for the deposition of thin films. These sources are particularly effective for high melting point materials and are exemplified in the deposition of copper, indium, and gallium for photovoltaic devices.
Career Highlights
Richard Bresnahan is currently associated with Veeco Instruments Inc., a company known for its advanced manufacturing equipment and technology. His work at Veeco has positioned him as a leader in the development of innovative deposition technologies.
Collaborations
Throughout his career, Bresnahan has collaborated with talented individuals such as Scott Wayne Priddy and David William Gotthold. These collaborations have contributed to the advancement of technology in the field of vacuum deposition.
Conclusion
Richard Charles Bresnahan's contributions to vacuum deposition technology have made a significant impact in the industry. His innovative patents and work at Veeco Instruments Inc. highlight his role as a key inventor in this specialized field.