Company Filing History:
1 out of 832,843 Years Active: 2004
Title: Innovations of Ping-Chih Chang
Introduction
Ping-Chih Chang is an accomplished inventor based in Albuquerque, NM (US). He has made significant contributions to the field of electronics, particularly in the development of advanced transistor technologies. His innovative work has led to the granting of a patent that showcases his expertise and creativity.
Latest Patents
One of Ping-Chih Chang's notable patents is for an NPN double heterostructure bipolar transistor with an InGaAsN base region. This invention involves a unique design where the base region consists of a layer of p-type-doped indium gallium arsenide nitride (InGaAsN) sandwiched between n-type-doped collector and emitter regions. The incorporation of InGaAsN for the base region effectively lowers the transistor's turn-on voltage, thereby reducing power dissipation within the device. This NPN transistor is particularly useful for forming low-power electronic circuitry and can be fabricated on a gallium arsenide (GaAs) substrate at commercial GaAs foundries. The patent highlights methods for fabricating this innovative NPN transistor.
Career Highlights
Throughout his career, Ping-Chih Chang has demonstrated a commitment to advancing technology in the electronics sector. His work has not only resulted in a patent but has also contributed to the broader understanding of transistor design and functionality. His innovative approach has positioned him as a key figure in the field.
Collaborations
Ping-Chih Chang has collaborated with notable colleagues, including Albert G Baca and Nein-Yi Li. These partnerships have fostered an environment of innovation and have led to the development of cutting-edge technologies in the electronics industry.
Conclusion
Ping-Chih Chang's contributions to the field of electronics, particularly through his patented NPN double heterostructure bipolar transistor, highlight his role as an influential inventor. His work continues to impact the development of low-power electronic circuitry, showcasing the importance of innovation in technology.