Location History:
- Keelung, TW (2016 - 2020)
- Hsinchu, TW (2024)
Company Filing History:
15 out of 7,088 
1 out of 1 Years Active: 2016-2025
Title: Innovations of Inventor Kai-Kuen Chang
Introduction
Kai-Kuen Chang is a prominent inventor based in Keelung, Taiwan. He has made significant contributions to the field of semiconductor technology, holding a total of 16 patents. His work focuses on high voltage transistors and semiconductor devices, showcasing his expertise and innovative spirit.
Latest Patents
One of his latest patents is a fabricating method of a high voltage transistor. This method involves providing a high voltage transistor that includes a substrate, with a gate structure disposed on it. The design features a source drift region and a drain drift region, which are embedded within the substrate and located on either side of the gate structure. The process includes defining a predetermined region for the drain drift region using a photo mask that incorporates a comb-like pattern. An ion implantation process is then performed to implant dopants into this region, followed by diffusion to form the drain drift region.
Another notable patent is for a high voltage semiconductor device. This device consists of a semiconductor substrate, a first drift region, a gate structure, and various spacer and insulation structures. The design ensures that the first insulation structure is directly connected with the first drift region, enhancing the device's performance and reliability.
Career Highlights
Kai-Kuen Chang has worked with notable companies in the semiconductor industry, including United Microelectronics Corporation and United Microelectronics Corp. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in semiconductor technology.
Collaborations
Throughout his career, Chang has collaborated with talented individuals such as Shih-Yin Hsiao and Ping-Hung Chiang. These collaborations have fostered an environment of creativity and innovation, leading to the development of advanced technologies.
Conclusion
Kai-Kuen Chang's contributions to the field of semiconductor technology are significant and impactful. His innovative patents and collaborations highlight his dedication to advancing technology in this critical area. His work continues to influence the industry and inspire future inventors.