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Corrosion in Aluminum Chemical Mechanical Planarization for Sub-Quarter Micron Dynamic Random Access Memory Devices

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dc.contributor.authorKim, Jae Jeong-
dc.contributor.authorKim, Jun Yong-
dc.contributor.authorJeong, Chae Ho-
dc.contributor.authorPark, Nae Hak-
dc.contributor.authorHan, Sang Bum-
dc.contributor.authorPark, Jin Won-
dc.contributor.authorLee, Won-Jun-
dc.date.accessioned2010-04-15T07:38:15Z-
dc.date.available2010-04-15T07:38:15Z-
dc.date.issued2002-02-
dc.identifier.citationJapanese Journal of Applied Physics 41 (2002) 925-929en
dc.identifier.issn0021-4922-
dc.identifier.urihttps://hdl.handle.net/10371/63265-
dc.description.abstractIn the Al chemical mechanical planarization (CMP) process, which is aimed at the application of Al damascene to sub-quarter-micron dynamic random access memory (DRAM) interconnection, corrosion has been the main focus of investigation. The corrosion characteristics vary accordingly to the deposition conditions of the Al and metal structures. Galvanic corrosion seemed to be the major corrosive mechanism at the Al interface. The dependency of corrosion on pattern size was also examined. To prevent corrosion, hydrogen peroxide treatment of the Al surface and reduction of the contact with deionized water were both highly effective. The Al damascene process was applied with the corrosion reduction method to Al lines down to 0.24 µm width, resulting in an approximate 9% decrease in the sheet resistance.en
dc.language.isoenen
dc.publisherJapan Society of Applied Physicsen
dc.subjectchemical mechanical planarizationen
dc.subjectaluminumen
dc.subjectcorrosionen
dc.subjectdamasceneen
dc.subjecthydrogen peroxideen
dc.subjectaluminaen
dc.titleCorrosion in Aluminum Chemical Mechanical Planarization for Sub-Quarter Micron Dynamic Random Access Memory Devicesen
dc.typeArticleen
dc.contributor.AlternativeAuthor김재정-
dc.contributor.AlternativeAuthor김준용-
dc.contributor.AlternativeAuthor정채호-
dc.contributor.AlternativeAuthor박래학-
dc.contributor.AlternativeAuthor한상범-
dc.contributor.AlternativeAuthor박진원-
dc.contributor.AlternativeAuthor이원준-
dc.identifier.doi10.1143/JJAP.41.925-
Appears in Collections:
College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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