Company Filing History:
8 out of 2,276 
1 out of 64 Years Active: 1976-1984
Title: The Innovations of John C Dyment
Introduction
John C Dyment is a notable inventor based in Kanata, Canada, recognized for his contributions to the field of semiconductor lasers. With a total of nine patents to his name, Dyment has made significant advancements in laser technology, particularly in the screening and performance of laser diodes.
Latest Patents
One of Dyment's latest patents is a method for screening laser diodes. This innovative method involves passing a range of pulsed current through double heterostructure laser diodes at normal operating temperatures. The lasing threshold current and slope efficiency are monitored, followed by a burn-in process at high junction temperatures. After this process, the diode is re-evaluated to determine its performance. If the threshold current or slope efficiency changes beyond a predetermined amount, the diode is rejected. This method ensures that only high-quality laser diodes are selected for further testing and installation. Another significant patent involves semiconductor lasers with integrally formed light-emitting diodes (LEDs). This design helps suppress transient relaxation oscillations and spontaneous pulsations, enhancing the stability and performance of the laser.
Career Highlights
Throughout his career, John C Dyment has worked with prominent companies such as Northern Telecom Limited and Northern Electric Company Limited. His experience in these organizations has contributed to his expertise in laser technology and innovation.
Collaborations
Dyment has collaborated with notable individuals in the field, including Anthony J Springthorpe and Kiu-Chi D Chik. These collaborations have likely enriched his work and led to further advancements in his inventions.
Conclusion
John C Dyment's contributions to laser technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative methods for screening laser diodes and improving semiconductor lasers demonstrate his commitment to advancing technology.