G - Physics – 03 – F
Patent
G - Physics
03
F
G03F 7/022 (2006.01) G03F 7/039 (2006.01)
Patent
CA 2102148
ABSTRACT OF THE DISCLOSURE According to the present invention, there is provided the following positive resist composition which is excellent in properties such as resolution, profile, depth of focus, etc. and free from scum: a positive resist composition comprising (a) a novolac resin obtained through a condensation reaction of an aldehyde compound and a mixture of phenol compounds comprising m-cresol, p-cresol and 2,5-xylenol, (b) a light-sensitive quinonediazide material containing the quinonediazidesulfonic acid diester of the compound having not less than three phenolic hydroxyl groups in an amount of 40% or more as expressed in terms of pattern area measured by high performance liquid chromatography, and (c) an alkali-soluble compound having a molecular weight of lower than 900.
Ebina Chinehito
Moriuma Hiroshi
Osaki Haruyoshi
Uetani Yasunori
Fetherstonhaugh & Co.
Sumitomo Chemical Company Limited
LandOfFree
Positive resist composition does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Positive resist composition, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Positive resist composition will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-2064231