Company Filing History:
Years Active: 2003-2015
Title: Innovations of Chien-Ping Chang in Power Semiconductors
Introduction
Chien-Ping Chang is a notable inventor based in Hsinchu, Taiwan, recognized for his significant contributions to the field of power semiconductors. With a total of 12 patents to his name, Chang has made remarkable advancements that enhance the efficiency and manufacturing processes of semiconductor devices.
Latest Patents
One of his latest patents is titled "Power semiconductor and manufacturing method thereof." This invention describes a power semiconductor that includes a semiconductor substrate, a metal oxide semiconductor layer, an N-type buffer layer, and a P-type injection layer. The semiconductor substrate features a first surface and a second surface, with the metal oxide semiconductor layer defining an N-type drift layer on the first surface. The N-type buffer layer is formed on the second surface through ion implantation, while the P-type injection layer is also created on the N-type buffer layer through ion implantation. This innovative design allows for adjustable ion concentration, improving electron hole injection efficiency and simplifying the fabrication process, ultimately reducing time and costs.
Another significant patent is the "Manufacturing method of power semiconductor." This method involves several steps, including providing a first and second semiconductor substrate, forming a metal oxide semiconductor layer on the first surface of the first substrate, and grinding the second surface of the first substrate. The N-type buffer layer and P-type injection layer are formed on the third surface of the second substrate through ion implantation. The process culminates in combining the two substrates to create a third semiconductor substrate. This method enhances process flexibility and expands the characteristics of power semiconductors.
Career Highlights
Chien-Ping Chang has worked with prominent companies in the semiconductor industry, including Mosel Vitelic Corporation and Mosel Vitalec Inc. His experience in these organizations has contributed to his expertise and innovative capabilities in semiconductor technology.
Collaborations
Chang has collaborated with notable colleagues, including Mao-Song Tseng and Chiao-Shun Chuang, further enriching his work and contributions to the field.
Conclusion
Chien-Ping Chang's innovations in power semiconductors demonstrate his commitment to advancing technology in this critical area. His patents reflect a deep understanding of semiconductor manufacturing processes and a drive to improve efficiency and effectiveness in the industry.
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