Presentation 1994/5/19
Misorientation of Al-Si-Cu layers for VLSI interconnection from Al(111) plane
Tomohisa Okuda, Kiyotaka Shinada, Tohru Hara, Yukihiro Kino, Takahisa Satoh, Toshihiko Hori, Shozo Ngano, Tadao Ueda,
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Abstract(in English) It has been strongly requested strongly(111)oriented Al-Si-Cu layer to achieve acceptable electromigration performance in the application of this layer to MOS LSI interconnection.Therefore, orientation of Al-Si-Cu layer is studied in this paper.Only a(111) peak is observed in the layer conventionally used in VLSI by conventional X-ray diffraction measurement.When the measurement is performed by newly developed glancing angle X-ray diffraction image plating technique,however,a 16゜ misoriented Laue pattern can be observed for this layer.This misorientation form the(111)plane is due to the formation of Cu rich Allayer at the first stage of the deposition.Nucleation of much smaller grained layer(grain size: nucleated layer:0.12μm,steady layer:1.1μm)leads to this misorient ation.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Aluminum / Interconnection layer / Grain orientation / X-ray diffraction / Cu distribution
Paper # CPM94-4
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Conference Information
Committee CPM
Conference Date 1994/5/19(1days)
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Registration To Component Parts and Materials (CPM)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Misorientation of Al-Si-Cu layers for VLSI interconnection from Al(111) plane
Sub Title (in English)
Keyword(1) Aluminum
Keyword(2) Interconnection layer
Keyword(3) Grain orientation
Keyword(4) X-ray diffraction
Keyword(5) Cu distribution
1st Author's Name Tomohisa Okuda
1st Author's Affiliation Department of Electrical Engineering,College of Engineering,Hosei university()
2nd Author's Name Kiyotaka Shinada
2nd Author's Affiliation Department of Electrical Engineering,College of Engineering,Hosei university
3rd Author's Name Tohru Hara
3rd Author's Affiliation Department of Electrical Engineering,College of Engineering,Hosei university
4th Author's Name Yukihiro Kino
4th Author's Affiliation Rigaku dennki X-ray laboratory
5th Author's Name Takahisa Satoh
5th Author's Affiliation Rigakudennki X-ray Laboratory
6th Author's Name Toshihiko Hori
6th Author's Affiliation Rigakudennki X-ray Laboratory
7th Author's Name Shozo Ngano
7th Author's Affiliation Mitubishi chemical Centoral research laboratory
8th Author's Name Tadao Ueda
8th Author's Affiliation Mitubishi chemical Centoral research laboratory
Date 1994/5/19
Paper # CPM94-4
Volume (vol) vol.94
Number (no) 39
Page pp.pp.-
#Pages 5
Date of Issue