Location History:
- Hsinchu, TW (2002 - 2003)
- Hsinchu Hsien, TW (2004)
Company Filing History:
Years Active: 2002-2004
Title: Innovations by Charles C. Chang in Inkjet Technology
Introduction
Charles C. Chang is a prominent inventor based in Hsinchu, Taiwan, known for his significant contributions to inkjet technology. With a total of 12 patents to his name, he has paved the way for advancements in the manufacturing processes related to inkjet print head chips. His work focuses on enhancing efficiency and reducing costs in the production of these essential components, which have widespread applications in various printing technologies.
Latest Patents
Among his recent patents, two stand out for their innovation and practicality. The first patent highlights a manufacturing method for an ID circuit of inkjet chips. This specification outlines a streamlined process for forming an ID circuit at a predetermined position for an ink feed slot near a print head chip. Notably, this method can adapt to the ink feed slot processing without the need for cutting the ID circuit, thus simplifying manufacturing and ensuring that the ID circuit can effectively recognize the type of inkjet chip.
The second patent focuses on a driver transistor structure of an inkjet print head chip and details an advanced method for producing the same. This invention features several body contacts distributed across the source of a large area Metal Oxide Semiconductor Field Effect Transistor (MOSFET). By minimizing the distance between the MOSFET channel and the body contact, the design significantly decreases resistance, thus preventing secondary breakdowns. This innovation allows for a 20% reduction in the physical space required for the driver transistor structure, ultimately contributing to lower production costs for each chip.
Career Highlights
Charles C. Chang is currently associated with the Industrial Technology Research Institute, where he continues to drive innovation in semiconductor technology. His dedication to research and development has marked him as a valuable asset in the field, enabling advancements that benefit the industry as a whole.
Collaborations
Throughout his career, Chang has collaborated with talented colleagues, notably Shyh-Haur Su and Chieh-Wen Wang. Together, they have worked on various projects that foster innovation and push the boundaries of what is possible within inkjet technology.
Conclusion
In conclusion, Charles C. Chang’s inventive spirit and commitment to enhancing manufacturing processes in inkjet technology have earned him recognition in his field. His cutting-edge patents not only improve the functionality of inkjet print head chips but also contribute to cost-effective manufacturing practices in the industry. With several ongoing and future projects, Chang is likely to continue influencing the landscape of inkjet technology for years to come.
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.