JP2011091404A - 半導体装置用ボンディングワイヤ - Google Patents
半導体装置用ボンディングワイヤ Download PDFInfo
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- JP2011091404A JP2011091404A JP2010238297A JP2010238297A JP2011091404A JP 2011091404 A JP2011091404 A JP 2011091404A JP 2010238297 A JP2010238297 A JP 2010238297A JP 2010238297 A JP2010238297 A JP 2010238297A JP 2011091404 A JP2011091404 A JP 2011091404A
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- wire
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- bonding
- core material
- bonding wire
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 55
- 229910052751 metal Inorganic materials 0.000 claims abstract description 68
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C5/02—Alloys based on gold
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C22C5/06—Alloys based on silver
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- C—CHEMISTRY; METALLURGY
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- H01L2224/45639—Silver (Ag) as principal constituent
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Abstract
【解決手段】導電性金属からなる芯材と、芯材の上に芯材とは異なる面心立方晶の金属を主成分とする表皮層を有する半導体装置用ボンディングワイヤであって、表皮層の表面における長手方向の結晶方位のうち<100>の占める割合が50%以上であることを特徴とする半導体装置用ボンディングワイヤ。
【選択図】図1
Description
ましくは、加工率を95%以上とすることでボンディングワイヤ全体に<111>配向率を上昇させる効果を高められる。
Claims (7)
- 導電性金属からなる芯材と、前記芯材の上に該芯材とは異なる金属を主成分とする表皮層とを有する半導体装置用ボンディングワイヤであって、
該表皮層の厚さが0.005〜0.09μmの範囲であり、
前記表皮層の表面の結晶面におけるワイヤ長手方向の結晶方位<hkl>の内、前記ワイヤ長手方向に対して角度差が15°以内までを含む<111>の方位比率が50%以上である
ことを特徴とする半導体装置用ボンディングワイヤ。 - 前記表皮層と芯材の間に、前記表皮層及び前記芯材の主成分の濃度勾配を有する拡散層を有することを特徴とする請求項1に記載の半導体装置用ボンディングワイヤ。
- 前記表皮層を構成する主成分がPd、Pt、Ru、Agの内いずれか1種であることを特徴とする請求項1又は2に記載の半導体装置用ボンディングワイヤ。
- 前記芯材を構成する主成分がCu、Auの内いずれか1種であることを特徴とする請求項1〜3のいずれか1項に記載の半導体装置用ボンディングワイヤ。
- 前記芯材を構成する主成分がCuで、B、Pd、Bi、P、Zrの1種以上を総量5〜300ppmの範囲で含有することを特徴とする請求項3又は4に記載の半導体装置用ボンディングワイヤ。
- 前記芯材を構成する主成分がCuで、Pdを5〜10000ppmの範囲で含有し、前記表皮層を構成する主成分がPdまたはAgであることを特徴とする請求項3又は4に記載の半導体装置用ボンディングワイヤ。
- 前記芯材を構成する主成分がAuで、Be、Ca、Ni、Pd、Ptの1種以上を総量5〜8000ppmの範囲で含有することを特徴とする請求項3又は4に記載の半導体装置用ボンディングワイヤ。
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JP2013030771A (ja) * | 2011-07-26 | 2013-02-07 | Semileds Optoelectronics Co Ltd | 波長変換層を具えた発光ダイオード装置及びその製造方法 |
WO2020059856A1 (ja) | 2018-09-21 | 2020-03-26 | 日鉄ケミカル&マテリアル株式会社 | 半導体装置用Cu合金ボンディングワイヤ |
TWI690944B (zh) * | 2015-08-12 | 2020-04-11 | 日商日鐵新材料股份有限公司 | 半導體裝置用接合線 |
US10950570B2 (en) | 2014-04-21 | 2021-03-16 | Nippon Steel Chemical & Material Co., Ltd. | Bonding wire for semiconductor device |
WO2021166081A1 (ja) | 2020-02-18 | 2021-08-26 | 日鉄ケミカル&マテリアル株式会社 | 半導体装置用Cu合金ボンディングワイヤ |
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JP6354744B2 (ja) | 2015-12-21 | 2018-07-11 | トヨタ自動車株式会社 | 銅線の接合方法 |
US20220157766A1 (en) * | 2019-03-13 | 2022-05-19 | Nippon Micrometal Corporation | Bonding wire |
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JP4141854B2 (ja) * | 2002-04-05 | 2008-08-27 | 新日鉄マテリアルズ株式会社 | 半導体装置用金ボンディングワイヤおよびその製造法 |
JP3697227B2 (ja) * | 2002-06-24 | 2005-09-21 | 新日本製鐵株式会社 | 半導体装置用金ボンディングワイヤ及びその製造方法 |
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---|---|---|---|---|
JP2013030771A (ja) * | 2011-07-26 | 2013-02-07 | Semileds Optoelectronics Co Ltd | 波長変換層を具えた発光ダイオード装置及びその製造方法 |
US10950570B2 (en) | 2014-04-21 | 2021-03-16 | Nippon Steel Chemical & Material Co., Ltd. | Bonding wire for semiconductor device |
TWI690944B (zh) * | 2015-08-12 | 2020-04-11 | 日商日鐵新材料股份有限公司 | 半導體裝置用接合線 |
WO2020059856A1 (ja) | 2018-09-21 | 2020-03-26 | 日鉄ケミカル&マテリアル株式会社 | 半導体装置用Cu合金ボンディングワイヤ |
KR20200121847A (ko) | 2018-09-21 | 2020-10-26 | 닛테츠 케미컬 앤드 머티리얼 가부시키가이샤 | 반도체 장치용 Cu 합금 본딩 와이어 |
US10985130B2 (en) | 2018-09-21 | 2021-04-20 | Nippon Steel Chemical & Material Co., Ltd. | Cu alloy bonding wire for semiconductor device |
WO2021166081A1 (ja) | 2020-02-18 | 2021-08-26 | 日鉄ケミカル&マテリアル株式会社 | 半導体装置用Cu合金ボンディングワイヤ |
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JP5222340B2 (ja) | 2013-06-26 |
JP5222339B2 (ja) | 2013-06-26 |
JP2011044729A (ja) | 2011-03-03 |
JP2011061221A (ja) | 2011-03-24 |
JP4772916B2 (ja) | 2011-09-14 |
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