Location History:
- Bruchkobel, DE (1978 - 1979)
- Bruckhkobel, DE (1979)
- Garden City, NY (US) (1982 - 1983)
Company Filing History:
Years Active: 1978-1983
Title: Nils Harmsen: Innovator in Dental Alloys and Electrical Contacts
Introduction
Nils Harmsen is a notable inventor based in Bruchkobel, Germany. He has made significant contributions to the fields of dental materials and electrical engineering. With a total of seven patents to his name, Harmsen's work reflects a commitment to innovation and quality.
Latest Patents
One of Harmsen's latest patents is a silver base casting alloy specifically designed for dental use. This alloy features a yellow color and is particularly useful for the manufacture of crowns, bridges, and other dental prostheses. The composition of this dental alloy consists of 40-60% silver, 15-20% indium, 8-15% copper, 0.1-2% nickel, 0.1-2% zinc, and includes 0-10% gold and/or 0-30% palladium. The total content of gold and palladium ranges between 10 and 30%.
Another significant patent is for a low-power electrical contact, which is particularly suitable for switching and plug-in connections. This contact comprises an outer contact layer and a substrate made from a copper base alloy. The contact layer consists of an alloy containing 35-55% gold, 18-33.5% silver, and 30-40% palladium, along with either 1-6% indium or 0.5-2% tin combined with 0.5-2% indium. An intermediate layer of nickel or copper-nickel may be placed between the contact layer and the substrate.
Career Highlights
Nils Harmsen is currently associated with W.C. Heraeus GmbH, a company known for its innovative solutions in various fields. His work at this company has allowed him to develop cutting-edge materials that enhance the performance and reliability of dental and electrical applications.
Collaborations
Throughout his career, Harmsen has collaborated with notable colleagues, including Elke Biberbach and Franz Sperner. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Nils Harmsen's contributions to the fields of dental alloys and electrical contacts demonstrate his innovative spirit and dedication to improving technology. His patents reflect a blend of practical application and scientific advancement, making him a