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New negative tone resists for sub-quarter micron lithography

โœ Scribed by H. Sachdev; R. Kwong; W. Huang; A. Katnani; K. Sachdev


Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
601 KB
Volume
27
Category
Article
ISSN
0167-9317

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Electron beam lithography of HSQ/PMMA bi
โœ Haifang Yang; Aizi Jin; Qiang Luo; Junjie Li; Changzhi Gu; Zheng Cui ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 797 KB

A HSQ/PMMA bilayer resist system, in which HSQ as negative tone electron beam resist top layer and PMMA as bottom layer, has been investigated for negative tone lift-off process. Patterns are first defined on the HSQ resist using electron beam lithography, and then transferred into the bottom PMMA l