Assignee
YCCHEM CO LTD
KR·0 granted patents·8 pending applications·0 citations·filing 2022–2025
Top patents by PatentIndex Score
8 records- 0170US2025199405A1Chemically-amplified positive photoresist composition for pattern profile improvement and etch resistance enhancementYCCHEM CO LTD·Filed 2025·Application pending·0 cites
- 0270US2025199406A1Chemically amplified positive photoresist composition for improving pattern profile and enhancing adhesionYCCHEM CO LTD·Filed 2025·Application pending·0 cites
- 0363US2025013154A1Spin-on carbon hard mask composition with high planarization performance and patterning method using sameYCCHEM CO LTD·Filed 2024·Application pending·0 cites
- 0459US2025383599A1Chemically amplified positive photoresist composition for improving pattern profile and resolutionYCCHEM CO LTD·Filed 2022·Application pending·0 cites
- 0559US2025236813A1Rinse solution composition for extreme ultraviolet photolithography and pattern formation method using sameYCCHEM CO LTD·Filed 2025·Application pending·0 cites
- 0659US2024417620A1Molybdenum film etchant composition and etching method using sameYCCHEM CO LTD·Filed 2024·Application pending·0 cites
- 0754US2026005022A1Spin on carbon hardmask compositions with low evaporation loss and patterning method by using the sameYCCHEM CO LTD·Filed 2022·Application pending·0 cites
- 0853US2025129266A1Slurry composition for final polishing of silicon wafer for reducing number of surface defects and haze and final polishing method using sameYCCHEM CO LTD·Filed 2022·Application pending·0 cites
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