This inventor holds 1 USPTO granted patent. Top assignee: Northern Telecom Limited. Active years: 1999.
Company Filing History:
Years Active: 1999
Title: Joannie Marks: Innovator in Optoelectronic Integrated Circuits
Introduction
Joannie Marks is a notable inventor based in Ottawa, Canada. She has made significant contributions to the field of optoelectronic integrated circuits. Her innovative work has led to the development of a unique thin film resistor that enhances the performance of these circuits.
Latest Patents
Joannie Marks holds a patent for a thin film resistor designed for optoelectronic integrated circuits. This invention features a stable low resistance, thin film resistor comprising a bilayer of platinum on titanium. The resistive layer is protected by a dielectric layer, such as silicon dioxide or silicon nitride, which reduces degradation from humidity and high-temperature operations exceeding 300 degrees Celsius. The resistor can be formed on various substrates, including silicon dioxide, silicon nitride, and semiconductor substrates. This technology has applications in integrated resistive heaters for wavelength fine-tuning of semiconductor laser arrays.
Career Highlights
Joannie Marks has worked at Northern Telecom Limited, where she has been able to apply her expertise in developing cutting-edge technologies. Her work has not only advanced the field of optoelectronics but has also contributed to the broader telecommunications industry.
Collaborations
Throughout her career, Joannie has collaborated with esteemed colleagues, including Frank Reginald Shepherd and Guo P Li. These partnerships have fostered innovation and have been instrumental in the success of her projects.
Conclusion
Joannie Marks is a pioneering inventor whose work in thin film resistors for optoelectronic integrated circuits has made a lasting impact. Her contributions continue to influence advancements in technology and telecommunications.