journal article·2026

Tone inversion patterning of negative tone dry resist using reactive plasma-based dry development

Min Cheol Kim, Hee Ju Kim, Kyoung Chan Kim, Dong Woo Kim, Geun Young Yeom

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Abstract

A CVD-deposited Sn-based inorganic resist undergoes ligand dissociation and Sn–O–Sn network formation upon ArF exposure. Plasma development enables dual-tone patterning: Cl 2 /Ar retains the crosslinked network for negative tone, while CH 4 /Cl 2 /Ar removes the exposed regions for positive tone.
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Research context

OpenAlex topics: Advancements in Photolithography Techniques · Copper Interconnects and Reliability · Nanofabrication and Lithography Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Display Engineering, Sungkyunkwan University, Suwon 16419, Korea

School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 16419, Korea

SKKU Advanced Institute of Nano Technology (SAINT), Sungkyunkwan University, Suwon 16419, Korea

Funding

National Research Foundation of Korea

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