Company Filing History:
Years Active: 1977-2002
Title: The Innovations of Paul H Citrin
Introduction
Paul H Citrin is a notable inventor based in Westfield, NJ (US), recognized for his contributions to semiconductor technology. With a total of 2 patents, Citrin has made significant advancements in the field, particularly in the development of silicon semiconductor devices.
Latest Patents
Citrin's latest patents include groundbreaking work on silicon semiconductor devices with δ-doped layers. His research challenges conventional wisdom regarding the formation of DP defects, revealing that electrical saturation in highly doped 2D layers of silicon does not occur as previously thought. One aspect of his invention allows for free-carrier concentrations exceeding approximately 7×10 cm in single crystal silicon layers δ-doped with a Group V element. In one embodiment, he achieves free-carrier concentrations greater than about 2×10 cm in single crystal silicon δ-doped with antimony (Sb). Additionally, his work includes the fabrication of integrated circuits that ensure minimal electrically inactive precipitates and deactivating dopant centers.
Another significant patent involves a technique for preparing stoichiometric III-V compound semiconductor surfaces. This technique utilizes a repetitive anodizing and etching sequence in an aqueous solution of appropriate pH and a basic solution. Surfaces treated through this method demonstrate correct surface stoichiometry and minimal carbon contamination, enhancing the quality of semiconductor materials.
Career Highlights
Throughout his career, Citrin has worked with prestigious organizations such as Bell Telephone Laboratories and Agere Systems. His experience in these companies has contributed to his expertise in semiconductor technology and innovation.
Collaborations
Citrin has collaborated with notable individuals in the field, including Chuan C Chang and Bertram Schwartz. These partnerships have likely enriched his research and development efforts.
Conclusion
Paul H Citrin's contributions to semiconductor technology through his patents and career achievements highlight his role as an influential inventor. His innovative approaches continue to shape the future of semiconductor devices and materials.