Company Filing History:
8 out of 8,033 
1 out of 832,680 Years Active: 1976-1987
Title: The Innovative Mind of Chi-sheng Liu in Optical Technologies
Introduction
Chi-sheng Liu, based in Monroeville, PA, has made significant contributions to the field of optical technology through his inventive spirit. With a portfolio of 9 patents, he has played a pivotal role in developing advanced optical systems that enhance performance across various applications.
Latest Patents
Among his latest inventions, Chi-sheng Liu has developed groundbreaking technologies, including a large aperture, very high temperature, hermetically sealed optical structure. This invention focuses on creating a metal vapor Raman cell structure for laser wavelength conversion. The innovative method he introduced for mounting a sapphire window onto a metal tube with a dissimilar coefficient of thermal expansion has practical implications for manufacturing Raman cells. The steps of cutting a narrow circular groove in the sapphire window, securely mounting the metal tube, and applying sealing material ensure operational efficiency under high-temperature conditions.
Additionally, Liu has worked on mercury halide lasers that utilize electrodes selectively coated with a mercury gettering material. This design not only establishes a glow discharge in the lasing medium but also maintains an optimal ratio of mercury to bromine, extending the operational lifespan of the laser.
Career Highlights
Chi-sheng Liu's career has been marked by influential positions at prominent companies, including Westinghouse Electric Corporation. His technical expertise and innovative mindset have contributed to the advancement of laser technologies, positioning him as a leading inventor in his field.
Collaborations
Throughout his career, Liu has collaborated with notable professionals, including Lelland A Weaver and Roy K Williams. These partnerships have allowed him to harness diverse viewpoints and foster innovative ideas, ultimately leading to the successful realization of his inventions.
Conclusion
Chi-sheng Liu continues to be a driving force in the realm of optical technologies. His inventive contributions, particularly in laser systems and hermetically sealed optical structures, not only push the boundaries of scientific understanding but also pave the way for future innovations in the industry. As technology continues to evolve, the impact of his work will be felt for years to come.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.