Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Finishing or perfecting composition or product
Reexamination Certificate
2005-03-01
2005-03-01
Le, Hoa Van (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Finishing or perfecting composition or product
Reexamination Certificate
active
06861210
ABSTRACT:
The present invention relates to a resist remover composition for removing resists during manufacturing processes of semiconductor devices such as integrated circuits, large scale integrated circuits and very large scale integrated circuits. The composition comprises a) 10 to 40 wt. % of water-soluble organic amine compound, b) 10 to 60 wt. % of water-soluble polar organic solvent, c) 10 to 30 wt. % of water, and d) 0.1 to 10 wt. % of organic phenol compound containing two or more hydroxyl groups, and it is characterized in that the water-soluble polar organic solvent is 2-hydroxyisobutyric acid methylester (HBM).
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Baik Ji-Hum
Oh Chang-Il
Yoo Chong-Soon
Baker & Botts L.L.P.
Dongjin Semichen Co., Ltd.
Le Hoa Van
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