Chemical mechanical polishing for planarisation of advanced IC processes

H. Lifka, W. Doedel, T. Souts, P. H. Woerlee

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2 Citations (Scopus)

Abstract

An CMP process will be presented which is optimised for low layout sensitivity and good uniformity. The best results were obtained by using a stack of two polishing cloths, instead of a single cloth. This results in a better planarisation capability while improving the uniformity compared to a single hard polishing cloth. The feasibility of the novel CMP process was demonstrated on a 64k SRAM.

Original languageEnglish
Title of host publicationESSDERC 1993 - Proceedings of the 23rd European Solid State Device Research Conference
EditorsJ. P. Noblanc, P. Gentil, M. Verdone, J. Borel, A. Nouailhat
PublisherIEEE Computer Society
Pages557-560
Number of pages4
ISBN (Print)9782863321355, 2863321358
Publication statusPublished - 1 Jan 1993
Externally publishedYes
Event23rd European Solid State Device Research Conference, ESSDERC 1993 - Grenoble, France
Duration: 13 Sept 199316 Sept 1993

Conference

Conference23rd European Solid State Device Research Conference, ESSDERC 1993
Country/TerritoryFrance
CityGrenoble
Period13/09/9316/09/93

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