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Electroless copper seed layer deposition on tantalum nitride barrier film

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Electroless copper seed layer deposition on tantalum nitride barrier film

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dc.contributor.author Chong, S. P.
dc.contributor.author Ee, Elden Yong Chiang
dc.contributor.author Chen, Zhong
dc.contributor.author Law, S. B.
dc.date.accessioned 2012-05-28T08:20:32Z
dc.date.available 2012-05-28T08:20:32Z
dc.date.copyright 2004
dc.date.issued 2012-05-28
dc.identifier.citation Chong, S. P., Ee, E. Y. C., Chen, Z., & Law, S. B. (2004). Electroless copper seed layer deposition on tantalum nitride barrier film. Surface and coatings technology, 198(1-3), 287-290.
dc.identifier.uri http://hdl.handle.net/10220/8157
dc.description.abstract Electroless (EL) deposition is used as a seeding technology for Cu metallization in the back-end-of-line semiconductor fabrication process. In this work, effect of deposition time and annealing treatment on the properties of electroless copper seed layer are reported. It is found that all seed layers exceeding 2-min deposition possess a (111) texture. The grain size, morphology and resistivity of the electroless Cu vary with deposition time. The largest grain size obtained by current work is around 70 nm. This corresponds to the lowest resistivity of 4.30 μΩ cm. The surface roughness of as-deposited Cu films ranges from 36.6 to 51.9 nm. Annealing results in the growth of copper grains and improvement in surface roughness and film conductivity. The annealing treatment does not change the existing texture.
dc.format.extent 18 p.
dc.language.iso en
dc.relation.ispartofseries Surface and coatings technology
dc.rights © 2004 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Surface and Coatings Technology, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1016/j.surfcoat.2004.10.086].
dc.title Electroless copper seed layer deposition on tantalum nitride barrier film
dc.type Journal Article
dc.contributor.school School of Materials Science and Engineering
dc.identifier.doi http://dx.doi.org/10.1016/j.surfcoat.2004.10.086
dc.description.version Accepted version

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