JP4705078B2 - 半導体装置用銅合金ボンディングワイヤ - Google Patents
半導体装置用銅合金ボンディングワイヤ Download PDFInfo
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- JP4705078B2 JP4705078B2 JP2007224285A JP2007224285A JP4705078B2 JP 4705078 B2 JP4705078 B2 JP 4705078B2 JP 2007224285 A JP2007224285 A JP 2007224285A JP 2007224285 A JP2007224285 A JP 2007224285A JP 4705078 B2 JP4705078 B2 JP 4705078B2
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- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 94
- 239000004065 semiconductor Substances 0.000 title claims abstract description 60
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 129
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 129
- 229910052737 gold Inorganic materials 0.000 claims description 18
- 229910052763 palladium Inorganic materials 0.000 claims description 17
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- 229910052684 Cerium Inorganic materials 0.000 claims description 12
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 12
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- 229910052746 lanthanum Inorganic materials 0.000 claims description 11
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- 239000010949 copper Substances 0.000 abstract description 34
- 229910052802 copper Inorganic materials 0.000 abstract description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 21
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
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- 229910052787 antimony Inorganic materials 0.000 description 1
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- 229910052720 vanadium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H01L2224/05617—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than or equal to 400°C and less than 950°C
- H01L2224/05624—Aluminium [Al] as principal constituent
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Description
Claims (15)
- Mg及びPの少なくとも1種を総計で10〜700質量ppmの含有濃度で含有し、表面に前記Mg及びPの総計濃度が前記含有濃度の10倍以上である濃化層を有することを特徴とする半導体装置用銅合金ボンディングワイヤ。
- Mg及びPの少なくとも1種を総計で10〜700質量ppmの含有濃度で含有すると共に、Ag、Pd、Pt、及びAuの少なくとも1種を総計で10〜5000質量pp含有し、表面にMg及びPの総計濃度が前記含有濃度の10倍以上である濃化層を有することを特徴とする半導体装置用銅合金ボンディングワイヤ。
- Mg及びPの少なくとも1種を総計で10〜700質量ppmの含有濃度で含有すると共に、Be、Al、Bi、Si、In、Ge、Ir、及びMnの少なくとも1種を総計で5〜300質量ppm含有し、表面にMg及びPの総計濃度が前記含有濃度の10倍以上である濃化層を有することを特徴とする半導体装置用銅合金ボンディングワイヤ。
- Mg及びPの少なくとも1種を総計で10〜700質量ppmの含有濃度で含有すると共に、Ca、Y、La、Ce、Pr、及びNdの少なくとも1種を総計で5〜300質量ppm含有し、表面にMg及びPの総計濃度が前記含有濃度の10倍以上である濃化層を有することを特徴とする半導体装置用銅合金ボンディングワイヤ。
- Mg及びPの少なくとも1種を総計で10〜700質量ppmの含有濃度で含有すると共に、Ag、Pd、Pt、及びAuの少なくとも1種を総計で10〜5000質量ppm、Be、Al、Bi、Si、In、Ge、Ir、及びMnの少なくとも1種を総計で5〜300質量ppm含有し、表面にMg及びPの総計濃度が前記含有濃度の10倍以上である濃化層を有することを特徴とする半導体装置用銅合金ボンディングワイヤ。
- Mg及びPの少なくとも1種を総計で10〜700質量ppmの含有濃度で含有すると共に、Ag、Pd、Pt、及びAuの少なくとも1種を総計で10〜5000質量ppm、Ca、Y、La、Ce、Pr、及びNdの少なくとも1種を総計で5〜300質量ppm含有し、表面にMg及びPの総計濃度が前記含有濃度の10倍以上である濃化層を有することを特徴とする半導体装置用銅合金ボンディングワイヤ。
- Mg及びPの少なくとも1種を総計で10〜700質量ppmの含有濃度で含有すると共に、Ag、Pd、Pt、及びAuの少なくとも1種を総計で10〜5000質量ppm、Be、Al、Bi、Si、In、Ge、Ir、及びMnの少なくとも1種を総計で5〜300質量ppm、Ca、Y、La、Ce、Pr、及びNdの少なくとも1種を総計で5〜300重量ppm含有し、表面にMg及びPの総計濃度が前記含有濃度の10倍以上である濃化層を有することを特徴とする半導体装置用銅合金ボンディングワイヤ。
- 前記Mg及びPの前記含有濃度が45〜700質量ppmであることを特徴とする、請求項1〜7のいずれかに記載の半導体装置用銅合金ボンディングワイヤ。
- 前記濃化層における前記Mg及びPの総計濃度が0.05〜10質量%であることを特徴とする、請求項1〜8のいずれかに記載の半導体装置用銅合金ボンディングワイヤ。
- 前記濃化層における前記Mg及びPの総計濃度の最高値が0.2〜30質量%であることを特徴とする、請求項1〜8のいずれかに記載の半導体装置用銅合金ボンディングワイヤ。
- 前記濃化層の外側に、Cの最高濃度が20質量%以上である表皮層を有し、該表皮層の厚さが0.2〜10nmであることを特徴とする、請求項1〜8のいずれかに記載の半導体装置用銅合金ボンディングワイヤ。
- 前記濃化層及び前記表皮層におけるO濃度の平均値が0.1〜15質量%であることを特徴とする、請求項9〜11のいずれかに記載の半導体装置用銅合金ボンディングワイヤ。
- 前記濃化層における前記Mg及びPの総計濃度が0.05〜10質量%であり、該濃化層の外側に、Cの最高濃度が20質量%以上である表皮層を有し、該表皮層の厚さが0.2〜10nmであることを特徴とする、請求項1〜8のいずれかに記載の半導体装置用銅合金ボンディングワイヤ。
- 前記濃化層における前記Mg及びPの総計濃度の最高値が0.2〜30質量%であり、該濃化層の外側に、Cの最高濃度が20質量%以上である表皮層を有し、該表皮層の厚さが0.2〜10nmであることを特徴とする、請求項1〜8のいずれかに記載の半導体装置用銅合金ボンディングワイヤ。
- 前記濃化層の厚さが0.2〜20nmであることを特徴とする、請求項1〜8のいずれかに記載の半導体装置用銅合金ボンディングワイヤ。
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US11/848,403 US8610291B2 (en) | 2006-08-31 | 2007-08-31 | Copper alloy bonding wire for semiconductor device |
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JP5293728B2 (ja) * | 2010-12-14 | 2013-09-18 | 日鉄住金マイクロメタル株式会社 | ボンディングワイヤ |
MY168617A (en) | 2014-04-21 | 2018-11-14 | Nippon Micrometal Corp | Bonding wire for semiconductor device |
MY183371A (en) | 2015-08-12 | 2021-02-18 | Nippon Micrometal Corp | Bonding wire for semiconductor device |
JP6898705B2 (ja) * | 2015-09-02 | 2021-07-07 | 田中電子工業株式会社 | ボールボンディング用銅合金細線 |
JP6369994B2 (ja) * | 2015-09-02 | 2018-08-08 | 田中電子工業株式会社 | ボールボンディング用銅合金細線 |
WO2017221434A1 (ja) * | 2016-06-20 | 2017-12-28 | 日鉄住金マイクロメタル株式会社 | 半導体装置用ボンディングワイヤ |
JP6371932B1 (ja) * | 2017-02-22 | 2018-08-08 | 新日鉄住金マテリアルズ株式会社 | 半導体装置用ボンディングワイヤ |
KR102011619B1 (ko) * | 2017-02-22 | 2019-08-16 | 닛테츠 케미컬 앤드 머티리얼 가부시키가이샤 | 반도체 장치용 본딩 와이어 |
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