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Inventor
CHANG FENG-YIH
TW
2 patents
⚠️ This page may combine multiple inventors who share the name “CHANG FENG-YIH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEN CHIEH-TE
1 patent
US8835324B2
Sep 16, 2014
Method for forming contact holes
CHEN CHIEH-TE
1 citations
45
CHANG FENG-YIH
1 patent
US8293639B2
Oct 23, 2012
Method for controlling ADI-AEI CD difference ratio of openings having different sizes
CHANG FENG-YIH
0 citations
30