Company Filing History:
3 out of 11 
2 out of 2,340 
1 out of 4 
Years Active: 1998-2002
Title: Kyeong Ho Chang: Innovator in Semiconductor Technology
Introduction
Kyeong Ho Chang is a notable inventor based in Seoul, South Korea, recognized for his significant contributions to semiconductor technology. With a total of seven patents to his name, he has made impactful advancements that enhance the reliability and efficiency of semiconductor packaging.
Latest Patents
Among his latest innovations, Kyeong Ho Chang developed an insulating adhesive tape specifically designed for semiconductor chip packages that utilize a copper lead frame. This insulating tape incorporates a tripartite structure with adhesive layers on both sides of a base film. The unique feature of this tape is its coefficient of thermal expansion, which ranges from 16.0 to 23.5 ppm/°C, making it instrumental in improving the reliability of lead-on-chip (LOC) semiconductor chip packages.
In addition, Chang has devised a method for preparing polyamic acid and polyimide that boasts three-dimensional molecular structures. These polymers are distinguished by their superior adhesive strength and high-temperature stability, while retaining their inherent thermal resistance and mechanical properties. This method is pivotal for producing high-temperature adhesive tapes suitable for semiconductor assembly, allowing for enhanced performance in demanding applications.
Career Highlights
Kyeong Ho Chang has an impressive career trajectory that includes working with esteemed companies such as Saehan Industries and Hyundai Electronics Industries. His experience in these leading firms underscores his expertise and the relevance of his inventions in the semiconductor industry.
Collaborations
Throughout his career, Chang has collaborated with notable colleagues, including Soon Sik Kim and Kyung Rok Lee. These partnerships have fueled innovative development and fostered a collaborative spirit in advancing semiconductor technologies.
Conclusion
Kyeong Ho Chang stands out as a remarkable inventor in the field of semiconductor technology. His contributions through various patents not only position him as a leader in innovation but also significantly enhance the capabilities of semiconductor chip packaging. As technology continues to evolve, Chang's work remains pivotal in addressing the challenges and demands of modern electronics.