This inventor holds 6 USPTO granted patents. Top assignees: Optical Coating Laboratory, Inc., Flex Products, Inc.. Active years: 1983-1990.
Location History:
- Sebastapol, CA (US) (1986)
- Sebastopol, CA (US) (1983 - 1990)
Company Filing History:
Years Active: 1983-1990
Title: Innovations of Peter H Berning
Introduction
Peter H Berning is a notable inventor based in Sebastopol, CA (US). He has made significant contributions to the field of optical technology, particularly in the development of thin film optical variable articles. With a total of 6 patents to his name, Berning's work focuses on enhancing currency authentication through innovative optical methods.
Latest Patents
One of Berning's latest patents is a thin film optical variable article and method that exhibits a gold to green color shift. This invention is designed for use in a reflection mode, specifically for currency authentication. The article is adapted to be carried by a substantially opaque currency sheet, which serves as a substrate. It includes a transparent, optically thick element that carries a colorant and features a multilayer interference coating. The coating is strategically designed to face the currency sheet, while the colorant carrying element acts as a superstrate that interacts with incident light. The multilayer interference coating consists of an opaque layer of aluminum, followed by magnesium fluoride, and a layer of chromium that allows substantial transmission. The colorant, which has a yellow hue, provides a coppery-gold appearance at normal light incidence, shifting to a vivid green at non-normal angles. This innovative design operates in a subtractive mode, modifying the normal incidence gold color and enhancing the color shift properties as observed in reflection.
Career Highlights
Throughout his career, Berning has worked with reputable companies such as Optical Coating Laboratory, Inc. and Flex Products, Inc. His experience in these organizations has contributed to his expertise in optical coatings and materials.
Collaborations
Berning has collaborated with notable individuals in the field, including Roger Winston Phillips and Patrick K Higgins. These collaborations have likely enriched his work and expanded the impact of his inventions.
Conclusion
Peter H Berning's innovative contributions to optical technology, particularly in currency authentication, highlight his role as a significant inventor. His patents reflect a deep understanding of optical properties and their practical applications.