Company Filing History:
1 out of 9,138 
1 out of 3,595 
Years Active: 1992-2006
Title: Innovations of Wen Chung Chang: Pioneer in Semiconductor Technology
Introduction
Wen Chung Chang is a distinguished inventor based in Hsinchu, Taiwan, known for his significant contributions to the field of semiconductor technology. With a portfolio of two innovative patents, Chang has made strides in photolithographic processes and rare earth magnet production.
Latest Patents
Chang's latest patents showcase his expertise in complex engineering solutions. The first patent, titled "Structure applied to a photolithographic process and method for fabricating a semiconductor device," introduces a structure consisting of a film layer, optical isolation layer, anti-reflection coating, and photoresist layer. This innovative design effectively prevents light from penetrating the film layer during the photolithographic process, thus ensuring that critical dimensions remain unaffected even with variations in film thickness.
His second patent, "Process for producing rare earth magnet," details a method that enhances the production of rare earth magnets through improved magnetic properties. By incorporating a specific titanate coupling agent to improve the oxidation resistance of raw materials and a special degassing step, this process ultimately results in magnets with superior maximum magnetic energy product and coercive force.
Career Highlights
Throughout his career, Wen Chung Chang has worked with esteemed organizations, including the Industrial Technology Research Institute and Macronix International Co., Ltd. His roles in these companies have allowed him to innovate and contribute to significant advancements in technology and materials.
Collaborations
Chang has collaborated with notable professionals, including Cheng Hua Lin and Shi K. Chen. These partnerships exemplify the collaborative spirit within the field of innovation, emphasizing the importance of teamwork in driving technological advancements.
Conclusion
In summary, Wen Chung Chang's contributions to semiconductor technology and rare earth magnets highlight his role as a leading inventor. His innovative patents reflect a commitment to enhancing performance and efficiency in technological processes, marking him as a noteworthy figure in the realm of innovation.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.