CY

C. H. Yu

TSMC: 4 patents #4,745 of 12,232Top 40%
📍 Keelung, TW: #156 of 650 inventorsTop 25%
Overall (All Time): #1,281,626 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5926722 Planarization of shallow trench isolation by differential etchback and chemical mechanical polishing S. M. Jang 1999-07-20
5858879 Method for etching metal lines with enhanced profile control L. C. Chao, M. H. Huang 1999-01-12
5807789 Method for forming a shallow trench with tapered profile and round corners for the application of shallow trench isolation (STI) Chao-Cheng Chen, C. S. Tsai 1998-09-15
5786262 Self-planarized gapfilling for shallow trench isolation S. M. Jang, Y. H. CHEN 1998-07-28