Inventor
PARK SUN YI
KR11 patents
⚠️ This page may combine multiple inventors who share the name “PARK SUN YI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA KUMHO PETROCHEM CO LTD
10 patentsUS6268106B1Jul 31, 2001
Chemically amplified positive photoresist composition
KOREA KUMHO PETROCHEM CO LTD25 citations92
US6146810ANov 14, 2000
Resist polymer and chemical amplified resist composition containing the same
KOREA KUMHO PETROCHEM CO LTD22 citations92
US6369143B1Apr 9, 2002
Polymer for radiation-sensitive resist and resist composition containing the same
KOREA KUMHO PETROCHEM CO LTD18 citations83
US6358666B1Mar 19, 2002
Chemically amplified resist composition containing norbornane type low molecular additive
KOREA KUMHO PETROCHEM CO LTD19 citations83
US5882835AMar 16, 1999
Positive photoresist resin and chemical amplified positive photoresist composition containing the same
KOREA KUMHO PETROCHEM CO LTD18 citations83
US5665841ASep 9, 1997
Acetal group-containing alkoxy-styrene polymers, method of preparing the same and chemical amplified photoresist composition mainly comprising the same
KOREA KUMHO PETROCHEM CO LTD15 citations82
US5723258AMar 3, 1998
Acetal group-containing alkoxy-styrene polymers, method of preparing the same and chemical amplified photoresist composition mainly comprising the same
KOREA KUMHO PETROCHEM CO LTD8 citations73
US5989775ANov 23, 1999
Copolymer useful for positive photoresist and chemical amplification positive photoresist composition comprising the same
KOREA KUMHO PETROCHEM CO LTD4 citations62
US5916995AJun 29, 1999
Acetal-substituted aromatic hydroxy compounds and negative photoresist compositions comprising the same
KOREA KUMHO PETROCHEM CO LTD6 citations62
US5677103AOct 14, 1997
Positive photoresist composition
KOREA KUMHO PETROCHEM CO LTD6 citations62