Location History:
- Chalfont, PA (US) (1983 - 1986)
- Fanwood, NJ (US) (1989 - 1993)
Company Filing History:
9 out of 1,194 
3 out of 3,395 
2 out of 2,176 
Years Active: 1983-1993
Title: The Innovative Contributions of Palaiyur S Kalyanaraman
Introduction
Palaiyur S Kalyanaraman is a notable inventor based in Fanwood, NJ (US), recognized for his significant contributions to optical information storage technology. With a total of 14 patents to his name, Kalyanaraman has made remarkable advancements in the field, particularly through his innovative approaches to enhancing optical recording processes.
Latest Patents
One of Kalyanaraman's latest patents is titled "Enhancement of positive contrast in optical recording." This invention introduces a superior process for optical information storage by utilizing a mixture of azaannulene compounds in the recording layer. The resulting recording layer demonstrates a large positive contrast in the recorded areas when exposed to laser radiation. This positive contrast surpasses that of recording layers made from individual azaannulenes, leading to high sensitivity and the ability to use low laser powers for effective recording.
Another significant patent is "Optical information medium exhibiting sharp threshold for marking." This invention features an optical information medium composed of an organic information layer and a resinous continuous film overcoat layer. The overcoat layer is designed to be no thicker than, and preferably thinner than, the information layer, with a thickness of about 100 angstroms or less. The use of a water-soluble polymer for the overcoat layer results in an optical information medium that exhibits an extremely sharp threshold for marking, along with an improved carrier-to-noise ratio.
Career Highlights
Throughout his career, Kalyanaraman has worked with prominent companies such as Hoechst Celanese Corporation and Rohm and Haas Company. His experience in these organizations has contributed to his expertise in the field of optical technologies and innovations.
Collaborations
Kalyanaraman has collaborated with notable colleagues, including Balaram B Gupta and Russell A Gaudiana. These partnerships have likely fostered a creative environment that has led to the development of groundbreaking inventions.
Conclusion
Palaiyur S Kalyanaraman's contributions to optical information storage technology are significant and impactful. His innovative patents and collaborations highlight his dedication to advancing the field. His work continues to influence the development of more efficient optical recording methods.