Location History:
- Tainan County, TW (2010 - 2014)
- Tainan, TW (2013 - 2024)
Company Filing History:
24 out of 40,635 
11 out of 7,074 
Years Active: 2010-2025
Title: **Chih-Hao Yu: A Pioneer in Semiconductor Innovations**
Introduction
Chih-Hao Yu, located in Tainan, Taiwan, is a renowned inventor in the field of semiconductor technology. With an impressive portfolio of 34 patents, he has contributed significantly to advancements in semiconductor devices. His innovative methods and unique approaches have paved the way for more efficient and effective semiconductor manufacturing processes.
Latest Patents
Among Chih-Hao Yu's latest patents is the innovative method for gate formation of semiconductor devices. This method involves creating an active region on a substrate, utilizing a sacrificial gate stack, and measuring specific gate lengths to select appropriate etching recipes. The end result is the formation of a gate trench, followed by the construction of a metal gate stack.
Another notable patent is the development of a multi-gate semiconductor device that features an inner spacer. This manufacturing method includes creating a fin structure with alternating first and second semiconductor layers, implementing a sacrificial gate structure, and strategically etching source/drain regions. The inclusion of insulating layers and the growth of source/drain epitaxial features form a pivotal part of this innovative process.
Career Highlights
Chih-Hao Yu has had a distinguished career, holding positions at prestigious companies such as Taiwan Semiconductor Manufacturing Company Ltd. and United Microelectronics Corporation. His extensive experience in these leading semiconductor firms has provided him with a solid foundation to drive innovation and development in the industry.
Collaborations
Throughout his career, Chih-Hao has collaborated with esteemed professionals, including coworkers Cheng-Hsien Chou and Li-Wei Cheng. These collaborations have undoubtedly enhanced the scope and quality of his work, leading to groundbreaking advancements in semiconductor technologies.
Conclusion
Chih-Hao Yu is a remarkable inventor whose contributions to semiconductor technologies are immeasurable. His extensive patent portfolio reflects his dedication to innovation and excellence in the field. As the semiconductor industry continues to evolve, the impact of his work will undoubtedly resonate 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.