Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Processing feature prior to imaging
Patent
1997-11-13
2000-07-11
Nuzzolillo, Maria
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Processing feature prior to imaging
430330, 438758, G03C 500
Patent
active
060870761
ABSTRACT:
A method of manufacturing semiconductor devices includes a coating step for coating a substrate using a resist solution including a base resin and a low-oxygen or oxygen-free solvent in which oxygen is removed by nitrogen bubbling, a heating step for heating the substrate coated with the resist, an exposing step for exposing the substrate with radiation to transfer a pattern, and a developing step for developing the exposed substrate. The coating step, the heating step, the exposing step and the developing step are performed under an environment controlled in a low-oxygen or oxygen-free state.
REFERENCES:
patent: 5723259 (1998-03-01), Oikawa et al.
Chiba Keiko
Maehara Hiroshi
Sakai Keita
Canon Kabushiki Kaisha
Nuzzolillo Maria
Weiner Laura
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