This inventor holds 4 USPTO granted patents. Top assignee: International Business Machines Corporation. Active years: 1990-1999.
Location History:
- Wappingers Falls, NY (US) (1990)
- Hopewell Junction, NY (US) (1994)
- Kyongbuk, KR (1995 - 1999)
Company Filing History:
Years Active: 1990-1999
Title: Moonhor Ree: Innovator in Photosensitive Polyimide Precursors
Introduction
Moonhor Ree is a notable inventor based in Kyongbuk, South Korea. He has made significant contributions to the field of materials science, particularly in the development of photosensitive polyimide precursors. With a total of 4 patents to his name, Ree's work has implications for various applications in technology and manufacturing.
Latest Patents
Ree's latest patents focus on new photosensitive polyamic acid precursors. These precursors are characterized by a specific formula where Z is a tetravalent organic radical containing at least one aromatic ring, Z' is a divalent organic radical with at least one aromatic ring, and R* is a photo polymerizable group. Notably, preferred compounds include BPDA-PDA and BPDA-ODA polyamic acid precursors. The compositions developed in this invention are active in i-line, g-line, and i-/g-line applications, demonstrating excellent photoresolution. The films produced exhibit remarkable self-adhesion and adhesion to glass ceramic and silicon wafer substrates. They also possess low internal stress, minimal solvent swelling, high thermal stability, and outstanding mechanical properties, including high modulus/tensile strength and high elongation at break.
Career Highlights
Moonhor Ree is currently associated with the International Business Machines Corporation (IBM). His work at IBM has allowed him to explore innovative solutions in the realm of materials science, contributing to advancements in technology.
Collaborations
Throughout his career, Ree has collaborated with esteemed colleagues such as Willi Volksen and George Czornyj. These collaborations have further enriched his research and development efforts.
Conclusion
Moonhor Ree's contributions to the field of photosensitive polyimide precursors highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving material properties for various applications.