Company Filing History:
Years Active: 2002-2004
Title: Innovations of Donald G Polensky
Introduction
Donald G Polensky is a notable inventor based in Morgan Hill, CA (US). He has made significant contributions to the field of materials science, particularly in the development of glass-ceramics for light filters. With a total of 3 patents, his work has garnered attention for its innovative approach to optical materials.
Latest Patents
Polensky's latest patents focus on glass-ceramics designed for light filters. These materials are capable of preventing variations in refractive index within a band-pass filter. The glass-ceramics have a coefficient of thermal expansion ranging from 95×10 /°C to 140×10 /°C, suitable for temperatures between -20°C and +70°C. They exhibit a Young's modulus of 85 GPa and a bending strength of 10 kg/mm. Additionally, these materials achieve a light transmittance of 60% or more for a plate thickness of 10 mm within a wavelength range of 950 nm to 1600 nm. The predominant crystal phases in these glass-ceramics include lithium disilicate and one selected from the group consisting of α-quartz, α-quartz solid solution, α-cristobalite, and α-cristobalite solid solution.
Career Highlights
Donald G Polensky is associated with Kabushiki Kaisha Ohara, where he continues to innovate in the field of optical materials. His work has been instrumental in advancing the capabilities of light filters, making them more efficient and effective for various applications.
Collaborations
Polensky has collaborated with notable coworkers, including Naoyuki Goto and Mariko Kataoka. Their combined expertise has contributed to the successful development of his patented technologies.
Conclusion
Donald G Polensky's contributions to the field of glass-ceramics for light filters demonstrate his innovative spirit and commitment to advancing materials science. His patents reflect a deep understanding of optical properties and material behavior, positioning him as a key figure in this specialized area.