PY

Po-Wen Yen

UM United Microelectronics: 5 patents #1,074 of 4,560Top 25%
Overall (All Time): #1,052,695 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5773082 Method for applying photoresist on wafer Chi-Fa Ku, Chih-Hsing Hsin 1998-06-30
5637186 Method and monitor testsite pattern for measuring critical dimension openings Chih-Chiang Liu, Hsi-Hsin Hong 1997-06-10
5580701 Process for elimination of standing wave effect of photoresist Water Lur 1996-12-03
5445989 Method of forming device isolation regions Water Lur 1995-08-29
5413963 Method for depositing an insulating interlayer in a semiconductor metallurgy system Army Chung, Her-Song Liaw 1995-05-09