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Dive into the research topics where Lizhong Sun is active.

Publication


Featured researches published by Lizhong Sun.


international interconnect technology conference | 2001

A low cost and residue-free abrasive-free copper CMP process with low dishing, erosion and oxide loss

Shijian Li; Lizhong Sun; Stan D. Tsai; Feng Q. Liu; Liang Chen

Traditional slurry copper (Cu) CMP processes have disadvantages in terms of dishing, erosion, Cu and oxide losses, micro-scratches and cost due in part to the presence of abrasive particles during polishing. A stable abrasive-free (AF) Cu CMP process and a low-abrasive barrier removal process have been developed. With these processes it has been possible to repeatably demonstrate metal-residue free wafers with low dishing, low erosion, low metal and oxide losses, over-polishing insensitivity, and low cost.


Archive | 2003

Conductive polishing article for electrochemical mechanical polishing

Paul D. Butterfield; Liang-Yuh Chen; Yongqi Hu; Antoine P. Manens; Rashid Mavliev; Stan D. Tsai; Feng Q. Liu; Ralph M. Wadensweiler; Lizhong Sun; Siew Neo; Alain Duboust


Archive | 1999

Method and apparatus for electrochemical-mechanical planarization

Lizhong Sun; Stan D. Tsai; Fred C. Redeker


Archive | 2001

Advanced electrolytic polish (AEP) assisted metal wafer planarization method and apparatus

Lizhong Sun; Stan D. Tsai; Fritz Redeker


Archive | 2002

Method and apparatus for face-up substrate polishing

Alain Duboust; Shou-sung Chang; Liang-Yuh Chen; Yan Wang; Siew Neo; Lizhong Sun; Feng Q. Liu


Archive | 2005

Electrolyte with good planarization capability, high removal rate and smooth surface finish for electrochemically controlled copper CMP

Lizhong Sun; Feng Q. Liu; Siew Neo; Stan D. Tsai; Liang-Yuh Chen


Archive | 2001

Electrolyte composition and treatment for electrolytic chemical mechanical polishing

Alain Duboust; Lizhong Sun; Feng Q. Liu; Yuchun Wang; Yan Wang; Siew Neo; Liang-Yuh Chen


Archive | 2002

Barrier removal at low polish pressure

Stan D. Tsai; Rashid Mavliev; Lizhong Sun; Feng Q. Liu; Liang-Yuh Chen; Ratson Morad


Archive | 2001

Method and apparatus for two-step barrier layer polishing

Lizhong Sun; Stan D. Tsai; Shijian Li


Archive | 2000

Method and composition for the selective removal of residual materials and barrier materials during substrate planarization

Stan D. Tsai; Lizhong Sun; Shijian Li

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