JP6373066B2 - 接合材およびそれを用いた接合方法 - Google Patents
接合材およびそれを用いた接合方法 Download PDFInfo
- Publication number
- JP6373066B2 JP6373066B2 JP2014112212A JP2014112212A JP6373066B2 JP 6373066 B2 JP6373066 B2 JP 6373066B2 JP 2014112212 A JP2014112212 A JP 2014112212A JP 2014112212 A JP2014112212 A JP 2014112212A JP 6373066 B2 JP6373066 B2 JP 6373066B2
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- Prior art keywords
- silver
- bonding material
- mass
- particles
- dispersant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
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- H01L24/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
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- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
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- B22F1/05—Metallic powder characterised by the size or surface area of the particles
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Description
ヘキサン酸で被覆された平均一次粒子径20nmの銀微粒子(DOWAエレクトロニクス株式会社製のDP−1)19.785質量%と、オレイン酸で被覆された平均一次粒子径0.8μmの銀粒子(DOWAハイテック株式会社製のAG2-1C)72.215質量%と、エーテル結合を有するモノカルボン酸系焼結助剤としてのブトキシエトキシ酢酸(BEA)(東京化成工業株式会社製)1.0質量%と、リン酸エステル系分散剤(Lubrizol社製のSOLPLUS D540)0.14質量%とを含み、溶剤として、1−デカノール(アルコール)3.64質量%とテルペン系アルコール溶剤(日本テルペン化学株式会社製のテルソルブMTPH)3.22質量%を含む銀ペーストからなる接合材を用意した。なお、この接合材中の銀濃度は91.32質量%であった。
ブトキシエトキシ酢酸(BEA)の量を0.5質量%とし、1−デカノール(アルコール)の量を4.14質量%とした以外は、実施例1と同様の銀ペーストからなる接合材を用意した。なお、この接合材中の銀濃度は91.36質量%であった。
ブトキシエトキシ酢酸(BEA)の量を0.3質量%とし、1−デカノール(アルコール)の量を4.34質量%とした以外は、実施例1と同様の銀ペーストからなる接合材を用意した。なお、この接合材中の銀濃度は91.36質量%であった。
リン酸エステル系分散剤に加えて、アクリル樹脂系分散剤(楠本化成株式会社製のV0340)1.0質量%を添加し、1−デカノール(アルコール)の量を2.64質量%とした以外は、実施例1と同様の銀ペーストからなる接合材を用意した。なお、この接合材中の銀濃度は91.32質量%であった。
ブトキシエトキシ酢酸(BEA)に代えて、エーテル結合を有するジカルボン酸系焼結助剤であるジグリコール酸(DGA)(みどり化学株式会社製)0.067質量%を使用し、1−デカノール(アルコール)の量を3.58質量%とした以外は、実施例4と同様の銀ペーストからなる接合材を用意した。なお、この接合材中の銀濃度は91.33質量%であった。
ジグリコール酸(DGA)(ジカルボン酸)の量を0.201質量%とし、1−デカノール(アルコール)の量を3.44質量%とした以外は、比較例1と同様の銀ペーストからなる接合材を用意した。なお、この接合材中の銀濃度は91.48質量%であった。
ブトキシエトキシ酢酸(BEA)の量を0.1質量%とし、1−デカノール(アルコール)の量を4.54質量%とした以外は、実施例1と同様の銀ペーストからなる接合材を用意した。なお、この接合材中の銀濃度は89.46質量%であった。
Claims (11)
- 平均一次粒子径1〜50nmの銀微粒子と平均一次粒子径0.5〜4μmの銀粒子と溶剤と分散剤を含む銀ペーストからなる接合材において、銀微粒子の含有量が5〜30質量%、銀粒子の含有量が60〜90質量%、銀微粒子と前記銀粒子の合計の含有量が90質量%以上であり、銀ペーストに対して0.2〜1.5質量%のブトキシエトキシ酢酸が添加され、分散剤がアクリル樹脂系分散剤を含むことを特徴とする、接合材。
- 前記アクリル樹脂系分散剤の量が前記銀ペーストに対して2質量%以下であることを特徴とする、請求項1に記載の接合材。
- 平均一次粒子径1〜50nmの銀微粒子と平均一次粒子径0.5〜4μmの銀粒子と溶剤と分散剤を含む銀ペーストからなる接合材において、銀微粒子の含有量が5〜30質量%、銀粒子の含有量が60〜90質量%、銀微粒子と前記銀粒子の合計の含有量が90質量%以上であり、銀ペーストに対して0.2〜1.5質量%のブトキシエトキシ酢酸が添加され、溶剤が1級アルコール系溶剤とテルペン系アルコール溶剤とからなることを特徴とする、接合材。
- 前記分散剤がリン酸エステル系分散剤であることを特徴とする、請求項1乃至3のいずれかに記載の接合材。
- 前記リン酸エステル系分散剤の量が前記銀ペーストに対して0.01〜0.2質量%であることを特徴とする、請求項4に記載の接合材。
- 前記銀微粒子が炭素数8以下の有機化合物で被覆されていることを特徴とする、請求項1乃至5のいずれかに記載の接合材。
- 前記銀微粒子を被覆する有機化合物がヘキサン酸であることを特徴とする、請求項6に記載の接合材。
- 前記銀粒子が有機化合物で被覆されていることを特徴とする、請求項1乃至7のいずれかに記載の接合材。
- 前記銀粒子を被覆する有機化合物がオレイン酸であることを特徴とする、請求項8に記載の接合材。
- 前記接合材の粘度をレオメーターにより25℃において6.4rpmで測定したときの粘度が100Pa・s以下であることを特徴とする、請求項1乃至9のいずれかに記載の接合材。
- 請求項1乃至10のいずれかに記載の接合材を被接合物間に介在させて加熱することにより、接合材中の銀を焼結させて銀接合層を形成し、この銀接合層により被接合物同士を接合することを特徴とする、接合方法。
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| JP2014112212A JP6373066B2 (ja) | 2014-05-30 | 2014-05-30 | 接合材およびそれを用いた接合方法 |
| PCT/JP2015/064665 WO2015182489A1 (ja) | 2014-05-30 | 2015-05-15 | 接合材およびそれを用いた接合方法 |
| CN201580028449.1A CN106457384A (zh) | 2014-05-30 | 2015-05-15 | 接合材料及使用该接合材料的接合方法 |
| EP15799050.8A EP3150301A4 (en) | 2014-05-30 | 2015-05-15 | Bonding material and bonding method in which same is used |
| KR1020167036512A KR102272847B1 (ko) | 2014-05-30 | 2015-05-15 | 접합재 및 그것을 사용한 접합 방법 |
| US15/307,123 US10903185B2 (en) | 2014-05-30 | 2015-05-15 | Bonding material and bonding method using same |
| TW104116052A TWI657463B (zh) | 2014-05-30 | 2015-05-20 | 接合材及使用其之接合方法 |
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| WO2016125737A1 (ja) * | 2015-02-04 | 2016-08-11 | ナミックス株式会社 | 熱伝導性ペースト及びその製造方法 |
| JP6795307B2 (ja) * | 2016-02-12 | 2020-12-02 | 国立大学法人大阪大学 | 接合材、接合材の製造方法、接合構造体の作製方法 |
| JP6920029B2 (ja) | 2016-04-04 | 2021-08-18 | 日亜化学工業株式会社 | 金属粉焼結ペースト及びその製造方法、導電性材料の製造方法 |
| CN106158068A (zh) * | 2016-07-05 | 2016-11-23 | 湖南省国银新材料有限公司 | 导电银浆及其制备方法 |
| KR102499025B1 (ko) * | 2017-03-15 | 2023-02-13 | 쇼와덴코머티리얼즈가부시끼가이샤 | 접합용 금속 페이스트, 접합체 및 그의 제조 방법, 및 반도체 장치 및 그의 제조 방법 |
| JP6859799B2 (ja) * | 2017-03-29 | 2021-04-14 | 三菱マテリアル株式会社 | ペースト状銀粉組成物、接合体の製造方法および銀膜の製造方法 |
| EP3712905A4 (en) * | 2017-11-13 | 2021-08-25 | Nitto Denko Corporation | COMPOSITION FOR SINTER JOINT, FOIL FOR SINTER JOINT AND SAW BAND WITH FOIL FOR SINTER JOINT |
| JP6831416B2 (ja) * | 2019-03-28 | 2021-02-17 | Dowaエレクトロニクス株式会社 | 接合材及び接合方法 |
| JP7388069B2 (ja) * | 2019-09-11 | 2023-11-29 | Toppanホールディングス株式会社 | メタリック塗液及び被塗工物 |
| JP6845444B1 (ja) * | 2019-10-15 | 2021-03-17 | 千住金属工業株式会社 | 接合材、接合材の製造方法及び接合体 |
| WO2021125161A1 (ja) * | 2019-12-19 | 2021-06-24 | 三菱マテリアル株式会社 | 銀ペースト及びその製造方法並びに接合体の製造方法 |
| JP6930578B2 (ja) * | 2019-12-20 | 2021-09-01 | 三菱マテリアル株式会社 | 銀ペースト、及び、接合体の製造方法 |
| FR3113774B1 (fr) * | 2020-09-03 | 2023-04-21 | Commissariat Energie Atomique | Procédé d’interconnexion de composants d’un système électronique par frittage |
| FR3113773B1 (fr) * | 2020-09-03 | 2023-04-21 | Commissariat Energie Atomique | Procédé d’interconnexion de composants d’un système électronique par frittage |
| DE112020007642T5 (de) | 2020-09-30 | 2023-07-13 | Dowa Electronics Materials Co., Ltd | Metallpaste zum verbinden und verbindungsverfahren |
| JP2023062426A (ja) * | 2021-10-21 | 2023-05-08 | 協立化学産業株式会社 | 接合用組成物、接合体及びその製造方法 |
| WO2023074580A1 (ja) * | 2021-10-25 | 2023-05-04 | トッパン・フォームズ株式会社 | 焼結材、金属焼結体、焼結材の製造方法、接合体の製造方法、及び接合体 |
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| WO2009090748A1 (ja) * | 2008-01-17 | 2009-07-23 | Applied Nanoparticle Laboratory Corporation | 複合銀ナノ粒子、その製法及び製造装置 |
| JP5256281B2 (ja) * | 2008-03-18 | 2013-08-07 | 株式会社応用ナノ粒子研究所 | 複合銀ナノペースト、その製法及びナノペースト接合方法 |
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| CN106216655A (zh) * | 2010-03-15 | 2016-12-14 | 同和电子科技有限公司 | 接合材料及使用其的接合方法 |
| WO2011155055A1 (ja) * | 2010-06-11 | 2011-12-15 | Dowaエレクトロニクス株式会社 | 低温焼結性接合材および該接合材を用いた接合方法 |
| JP5811314B2 (ja) * | 2010-06-16 | 2015-11-11 | 国立研究開発法人物質・材料研究機構 | 金属ナノ粒子ペースト、並びに金属ナノ粒子ペーストを用いた電子部品接合体、ledモジュール及びプリント配線板の回路形成方法 |
| US9486879B2 (en) * | 2010-11-22 | 2016-11-08 | Dowa Electronics Materials Co., Ltd. | Bonding material and bonding body, and bonding method |
| EP2719486B1 (en) * | 2011-06-10 | 2018-07-25 | DOWA Electronics Materials Co., Ltd. | Bonding material and bonded object produced using same |
| CN104066534B (zh) * | 2012-01-20 | 2016-05-11 | 同和电子科技有限公司 | 接合材料及使用其的接合方法 |
| JP5509283B2 (ja) * | 2012-09-13 | 2014-06-04 | ニホンハンダ株式会社 | 加熱焼結性金属微粒子の製造方法、ペースト状金属微粒子組成物、固形状金属または固形状金属合金の製造方法、金属製部材の接合方法、プリント配線板の製造方法および電気回路接続用バンプの製造方法 |
| JP6121804B2 (ja) * | 2013-06-04 | 2017-04-26 | Dowaエレクトロニクス株式会社 | 接合材およびその接合材を用いて電子部品を接合する方法 |
| JP6118192B2 (ja) * | 2013-06-21 | 2017-04-19 | Dowaエレクトロニクス株式会社 | 接合材およびそれを用いた接合方法 |
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- 2015-05-15 CN CN201580028449.1A patent/CN106457384A/zh active Pending
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| Publication number | Publication date |
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| JP2015225842A (ja) | 2015-12-14 |
| KR20170012437A (ko) | 2017-02-02 |
| KR102272847B1 (ko) | 2021-07-02 |
| TW201603051A (zh) | 2016-01-16 |
| TWI657463B (zh) | 2019-04-21 |
| WO2015182489A1 (ja) | 2015-12-03 |
| CN106457384A (zh) | 2017-02-22 |
| US20170077057A1 (en) | 2017-03-16 |
| EP3150301A1 (en) | 2017-04-05 |
| US10903185B2 (en) | 2021-01-26 |
| EP3150301A4 (en) | 2018-01-03 |
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