XRD analysis of Cu-Al interconnect intermetallic compound in an annealed micro-chip
Cu-Al intermetallic compound (IMC) in Cu wire-Al bond pad interconnect interface is drawing attention of researches. However, due to thin IMC thickness, the characterizations of the IMC are limited to expensive and time consuming techniques. An evaluation is performed to use common X-Ray Diffraction...
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Trans Tech Publications, Switzerland
2003
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my.utem.eprints.85892023-05-25T11:58:07Z http://eprints.utem.edu.my/id/eprint/8589/ XRD analysis of Cu-Al interconnect intermetallic compound in an annealed micro-chip Chua, Kok Yau Hng, May Ting Lee, Cher Chia Thangaraj, Joseph Sahaya Anand TJ Mechanical engineering and machinery Cu-Al intermetallic compound (IMC) in Cu wire-Al bond pad interconnect interface is drawing attention of researches. However, due to thin IMC thickness, the characterizations of the IMC are limited to expensive and time consuming techniques. An evaluation is performed to use common X-Ray Diffraction (XRD) technique to identify the IMC in the Cu wired micro-chip samples in powder form. Existence of mixture of CuAl and CuAl2 was first confirmed by transmission electron microscope (TEM) and energy dispersive X-ray (EDX). In XRD analysis, peak correspond to CuAl phase is identified from measurement with slower scan configuration. The difficulty for IMC peak detection in diffractogram is due to low composition ratio of IMC relative to other materials available in the sample. KOH treatment for enhancing IMC peaks intensity does not work as expected as it etches the IMC as well. Trans Tech Publications, Switzerland 2003 Article PeerReviewed text en http://eprints.utem.edu.my/id/eprint/8589/2/24_AMR_620.pdf Chua, Kok Yau and Hng, May Ting and Lee, Cher Chia and Thangaraj, Joseph Sahaya Anand (2003) XRD analysis of Cu-Al interconnect intermetallic compound in an annealed micro-chip. Advanced Materials Research, 620. pp. 166-172. ISSN 1022-6680 http://www.scientific.net/AMR.620.166 |
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TJ Mechanical engineering and machinery Chua, Kok Yau Hng, May Ting Lee, Cher Chia Thangaraj, Joseph Sahaya Anand XRD analysis of Cu-Al interconnect intermetallic compound in an annealed micro-chip |
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Cu-Al intermetallic compound (IMC) in Cu wire-Al bond pad interconnect interface is drawing attention of researches. However, due to thin IMC thickness, the characterizations of the IMC are limited to expensive and time consuming techniques. An evaluation is performed to use common X-Ray Diffraction (XRD) technique to identify the IMC in the Cu wired micro-chip samples in powder form. Existence of mixture of CuAl and CuAl2 was first confirmed by transmission electron microscope (TEM) and energy dispersive X-ray (EDX). In XRD analysis, peak correspond to CuAl phase is identified from measurement with slower scan configuration. The difficulty for IMC peak detection in diffractogram is due to low composition ratio of IMC relative to other materials available in the sample. KOH treatment for enhancing IMC peaks intensity does not work as expected as it etches the IMC as well. |
format |
Article |
author |
Chua, Kok Yau Hng, May Ting Lee, Cher Chia Thangaraj, Joseph Sahaya Anand |
author_facet |
Chua, Kok Yau Hng, May Ting Lee, Cher Chia Thangaraj, Joseph Sahaya Anand |
author_sort |
Chua, Kok Yau |
title |
XRD analysis of Cu-Al interconnect intermetallic compound in an annealed micro-chip |
title_short |
XRD analysis of Cu-Al interconnect intermetallic compound in an annealed micro-chip |
title_full |
XRD analysis of Cu-Al interconnect intermetallic compound in an annealed micro-chip |
title_fullStr |
XRD analysis of Cu-Al interconnect intermetallic compound in an annealed micro-chip |
title_full_unstemmed |
XRD analysis of Cu-Al interconnect intermetallic compound in an annealed micro-chip |
title_sort |
xrd analysis of cu-al interconnect intermetallic compound in an annealed micro-chip |
publisher |
Trans Tech Publications, Switzerland |
publishDate |
2003 |
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http://eprints.utem.edu.my/id/eprint/8589/2/24_AMR_620.pdf http://eprints.utem.edu.my/id/eprint/8589/ http://www.scientific.net/AMR.620.166 |
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