Ultra-fast etching of photoresist by reactive atmospheric-pressure thermal plasma jet with surface temperature measurement

Atmospheric-pressure reactive thermal plasma jet (R-TPJ) with Ar and O _2 gas mixture was applied to the etching of photoresist (PR) on a silicon wafer. Optical interference contactless thermometry (OICT) and optical emission spectroscopy were carried out to clarify the relationship between the etch...

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Bibliographic Details
Main Authors: Kyohei Matsumoto, Hibiki Kato, Jiawen Yu, Hiroaki Hanafusa, Seiichiro Higashi
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:Applied Physics Express
Subjects:
Online Access:https://doi.org/10.35848/1882-0786/ada374
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