Company Filing History:
Years Active: 1990-2006
Title: The Innovative Contributions of David S. Stone
Introduction
David S. Stone is a notable inventor based in Marion, MA (US), recognized for his significant contributions to the field of polymer compositions and devices. With a total of three patents to his name, Stone has made strides in the area of thermooptically controlled switching and filtering technologies.
Latest Patents
Stone's latest patents focus on compositions and devices that enable thermooptic control of signal attenuation across various regions of the electromagnetic spectrum, including ultraviolet, visible, and near infrared (NIR). These inventions utilize polymer mixtures that exhibit a cloud point phase transition at specific temperatures suitable for thermooptically controlled devices. One of the preferred embodiments includes a mixture of high molecular weight chlorotrifluoroethylene fluid and wax, achieving an 'ON-state' insertion loss of below 0.1 dB/cm and an extinction ratio of 22 dB/cm in the 1550 nm NIR telecommunication band.
Career Highlights
Throughout his career, David S. Stone has worked with several companies, including Lightspan, LLC and Sippican Ocean Systems, Inc. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Stone has collaborated with various professionals in his field, including Mark A. Carlson, enhancing the scope and impact of his inventions.
Conclusion
David S. Stone's work in thermooptically controlled devices showcases his innovative spirit and dedication to advancing technology. His contributions continue to influence the field and inspire future developments.