HC

Hong-Long Chang

PT Promos Technologies: 3 patents #3 of 44Top 7%
📍 Baoshan, CA: #1 of 17 inventorsTop 6%
Overall (2002): #28,547 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6500766 Post-cleaning method of a via etching process Hungyueh Lu, Fang-Fei Liu 2002-12-31
6410417 Method of forming tungsten interconnect and vias without tungsten loss during wet stripping of photoresist polymer Nien-Yu Tsai, Chun-Wei Chen, Ming-Li Kung 2002-06-25
6399509 Defects reduction for a metal etcher Hung Yueh Lu, Ray C. Lee 2002-06-04