Method of manufacturing semiconductor device

Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step

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Details

156656, 156657, 1566591, 1566611, 156662, 156904, 437228, 437233, H01L 2306, B44C 122, C03C 1500, C23F 100

Patent

active

053022408

ABSTRACT:
A dry-etching method comprising the steps of forming carbon film on a substrate to be etched, forming a resist pattern on said carbon thin film, selectively etching said carbon film using said resist pattern as a mask by a plasma of a gas mixture of a gas containing fluorine atoms and a gas containing oxygen atoms which are mixed at an atomic ratio of fluorine to oxygen of 198:1 to 1:2 so as to form a carbon film pattern, and selectively etching said substrate to be etched using said carbon film pattern as a mask or said resist pattern and said carbon film pattern as masks.

REFERENCES:
patent: 5022959 (1991-06-01), Itoh
patent: 5240554 (1993-08-01), Hori et al.

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