Company Filing History:
1 out of 9,144 
1 out of 1,196 Years Active: 1998-2007
Title: Innovations of Chung Yen Chang
Introduction
Chung Yen Chang is a notable inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of semiconductor technology, particularly in the growth of epitaxial layers. With a total of 2 patents, his work has advanced the understanding and application of materials in various technological domains.
Latest Patents
One of his latest patents is titled "Growth of GaAs epitaxial layers on Si substrate by using a novel GeSi buffer layer." This invention provides a process for growing Ge epitaxial layers on a silicon substrate using ultra-high vacuum chemical vapor deposition (UHVCVD). The process involves pre-cleaning a silicon wafer, growing a high Ge-composition epitaxial layer, and subsequently growing a GaAs layer on the Ge film. This innovative method effectively manages dislocations and enhances the quality of the epitaxial layers.
Another significant patent is the "Electro magnetic controlled platinum infrared filament ignitor." This device features a simple construction that includes a screw nut, a top pin, an electromagnetic induction coil, and a platinum filament. The ignitor is designed for efficient ignition in gas turbines, reciprocating engines, and gas burners, showcasing durability and effectiveness.
Career Highlights
Chung Yen Chang has worked with prominent institutions such as the Industrial Technology Research Institute and National Yang Ming Chiao Tung University. His experience in these organizations has allowed him to collaborate with leading experts in the field and contribute to groundbreaking research.
Collaborations
Some of his notable coworkers include Wu-Chi Ho and Chii Ron Kuo. Their collaborative efforts have furthered advancements in semiconductor technologies and innovations.
Conclusion
Chung Yen Chang's contributions to the field of semiconductor technology through his patents and collaborations highlight his role as a significant inventor. His innovative approaches continue to influence the industry and pave the way for future advancements.