Location History:
- San Jose, CA (US) (2007 - 2013)
- Saratoga, CA (US) (2011 - 2022)
Company Filing History:
Years Active: 2007-2022
Title: **Charles C. Chiang: Innovator in Lithographic Hotspot Detection**
Introduction
Charles C. Chiang is a prolific inventor based in San Jose, California, with a remarkable portfolio comprising 31 patents. His contributions to the field of semiconductor design and manufacturing are particularly notable, focusing on advanced methodologies for lithographic hotspot detection.
Latest Patents
Two of his most recent patents exemplify his innovative approaches to detecting hotspots in lithographic patterns. The first patent, titled “Lithographic hotspot detection using multiple machine learning kernels,” presents a sophisticated system that classifies hotspot training data into various clusters based on their topologies. This system also handles non-hotspot data by categorizing it into appropriate topological clusters. A key feature of this innovation is the extraction of critical features from both hotspot and non-hotspot clusters, enabling the creation of specific machine learning kernels designed to identify diverse hotspot topologies.
The second patent, “DRC-based hotspot detection considering edge tolerance and incomplete specification,” introduces a range-pattern-matching method for detecting process hotspots. This patent emphasizes extracting critical topological features and converting them into design rules using Modified Transitive Closure Graphs (MTCGs). By systematically applying these rules throughout the design layout, the process seeks to identify true hotspot locations through advanced searching and matching techniques.
Career Highlights
Charles C. Chiang has made significant strides in his career at Synopsys, Inc., a leading company in electronic design automation. His role has positioned him as an essential figure in enhancing methodologies for lithographic hotspot detection, contributing to improved design accuracy and efficiency.
Collaborations
Throughout his career, Chiang has collaborated with talented colleagues, including Subarnarekha Sinha and Qing Su. These partnerships have facilitated the development of groundbreaking technologies and have contributed to the advancement of their field.
Conclusion
Charles C. Chiang's innovative work in lithographic hotspot detection underscores his expertise and commitment to improving semiconductor design practices. With his ongoing research and numerous patents, he continues to influence the industry, paving the way for future technological advancements.
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.