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Open Access
Study on Surface Characteristic of the Copper Nitride Films by Absorbed Oxygen

Musun KWAK, Jongho JEON, Kyoungri KIM, Yoonseon YI, Sangjin AN, Donsik CHOI, Youngseok CHOI, Kyongdeuk JEONG

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Summary :

The copper nitride surface characteristics according to atmospheric pressure plasma (APP) and excimer ultraviolet (EUV) treatment were compared using XPS and AFM. As the result of XPS analysis result, in C1s, the organic material removal effect was greater for EUV treatment than for APP, and the oxygen content was found to be low. In Cu (933 eV) area, the shoulder peak of Cu compound was detected, and the reduction was greater for EUV processing than for APP. In the AFM phase image which could be analyzed using the superficial viscoelasticity, the same trend was observed. On the copper nitride surface, the weak boundary O layer is formed according to the clean processing, and such phenomenon was interpreted as a factor for lowering the affinity with polymer.

Publication
IEICE TRANSACTIONS on Electronics Vol.E95-C No.11 pp.1744-1748
Publication Date
2012/11/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E95.C.1744
Type of Manuscript
Special Section INVITED PAPER (Special Section on Electronic Displays)
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