Location History:
- Summit, NJ (US) (1978)
- Renens, CH (1980)
Company Filing History:
Years Active: 1978-1980
Title: The Innovations of Marc Ilegems
Introduction
Marc Ilegems is a notable inventor based in Summit, NJ (US). He has made significant contributions to the field of laser technology and photodiodes. With a total of 2 patents, his work has advanced the understanding and application of semiconductor devices.
Latest Patents
One of Marc Ilegems' latest patents is the "Buried Double Heterostructure Laser Device." This invention describes a buried double heterostructure laser device that utilizes a wafer of double heterostructure material formed into narrow mesa stripes. A native oxide coating is applied to the side walls of the mesa, and semiconductor material with a closely matched index of refraction is deposited over the mesa structure. This design achieves vertical carrier and optical confinement, resulting in devices that exhibit continuous wave threshold currents at room temperature as low as 55 mA.
Another significant patent is for "Integrated Optical Detectors." This invention involves a plurality of double heterostructure photodiodes coupled together by interleaved n.sup.+ -p.sup.+ tunnel junctions. The resulting multi-layered integrated structure has an open circuit photovoltage that approaches the sum of the individual photodiodes' open circuit photovoltages. Various embodiments of this invention allow for different configurations of radiation detection, showcasing the versatility of Ilegems' work.
Career Highlights
Marc Ilegems has had a distinguished career at Bell Telephone Laboratories. His innovative work in semiconductor technology has positioned him as a key figure in the development of advanced laser devices and optical detectors. His contributions have not only enhanced the capabilities of these technologies but have also paved the way for future advancements in the field.
Collaborations
Throughout his career, Marc Ilegems has collaborated with notable colleagues, including Louis A. Koszi and Bertram Schwartz. These partnerships have fostered an environment of innovation and have led to the successful development of groundbreaking technologies.
Conclusion
Marc Ilegems is a prominent inventor whose work has significantly impacted the fields of laser technology and photodiodes. His patents reflect a deep understanding of semiconductor materials and their applications. Through his career at Bell Telephone Laboratories, he has made lasting contributions that continue to influence the industry.
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