Company Filing History:
Years Active: 2005-2011
Title: **Innovative Mind: The Patents of Hok-Kin Choi**
Introduction
Hok-Kin Choi is a prominent inventor based in San Jose, California, holding eight patents to his name. His work is at the forefront of technological advancements, particularly in the field of photoresist materials for semiconductor fabrication.
Latest Patents
Among his latest innovations are groundbreaking patents, including "Methods and compositions for reducing line wide roughness." This invention introduces a non-chemically amplified photoresist designed to minimize line wide roughness (LWR). Key elements of this invention include a developer-soluble resin (DSR) and a photoactive compound (PAC), which work together to enhance the performance of photoresists. By ensuring an even distribution of the PAC within the DSR, his invention diminishes acid diffusion, effectively reducing LWR and defects in semiconductor devices. This technology is particularly valuable in extreme ultraviolet (EUV) lithography, where LWR can be reduced to below 1.5 nm, facilitating the fabrication of devices with feature sizes of approximately 15 nm.
Another significant achievement is his patent related to techniques for characterizing multiple acid solutions. This invention provides methodologies for accurately determining the concentrations of one or more acid components within such solutions, which is crucial for various applications in the semiconductor industry.
Career Highlights
Hok-Kin Choi currently contributes his expertise at Intel Corporation, a leading company in semiconductor manufacturing. His role involves extensive research and development, focusing on enhancing the capabilities of materials used in the production process. With a robust foundation in engineering and a passion for innovation, Choi continues to make significant strides in his field.
Collaborations
Throughout his career, Choi has collaborated with talented colleagues, including Vani Thirumala and Huey-Chiang Liou. These partnerships foster a collaborative environment that encourages creativity and swift advancements in technology. Together, they aim to push the boundaries of what is possible in semiconductor manufacturing.
Conclusion
Hok-Kin Choi's contributions to innovation and invention in the semiconductor industry highlight his dedication to improving manufacturing processes. Through his patents and collaborative efforts, he demonstrates how innovative thinking can lead to significant advancements in technology. As he continues his work at Intel Corporation, he remains an inspirational figure in the field, paving the way for future discoveries and inventions.