PL

Po-Tsun Liu

UM United Microelectronics: 3 patents #41 of 457Top 9%
Overall (2002): #22,682 of 266,432Top 9%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6498070 Air gap semiconductor structure and method of manufacture Ting-Chang Chang, Yi-Shien Mor 2002-12-24
6435943 Method of chemical mechanical polishing organic silicon material with low dielectric constant Ting-Chang Chang 2002-08-20
6423652 Post-processing treatment of low dielectric constant material Ting-Chang Chang, Yi-Shien Mor 2002-07-23