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IBM Journal of Research and Development  
Volume 41, Number 1/2, Page 69 (1997)
Optical lithography
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Chemical amplification resists: History and development within IBM

by H. Ito
The chemical amplification concept was invented at IBM Research and quickly brought into use in the production of dynamic random access memory devices in the company. It has remained as an important foundation for the design of advanced resist systems for use in short-wavelength (<300-nm) lithographic technologies.
Related Subjects: Chemistry and chemical engineering; Lithography; Optical lithography; Photo-processes; Photoresists