JP6769986B2 - 熱可塑性ポリマーをベースとした金属導電性ホットメルトペースト - Google Patents
熱可塑性ポリマーをベースとした金属導電性ホットメルトペースト Download PDFInfo
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- JP6769986B2 JP6769986B2 JP2017549240A JP2017549240A JP6769986B2 JP 6769986 B2 JP6769986 B2 JP 6769986B2 JP 2017549240 A JP2017549240 A JP 2017549240A JP 2017549240 A JP2017549240 A JP 2017549240A JP 6769986 B2 JP6769986 B2 JP 6769986B2
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- hot melt
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- 239000003990 capacitor Substances 0.000 claims description 11
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- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 3
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- KZVBBTZJMSWGTK-UHFFFAOYSA-N 1-[2-(2-butoxyethoxy)ethoxy]butane Chemical compound CCCCOCCOCCOCCCC KZVBBTZJMSWGTK-UHFFFAOYSA-N 0.000 description 2
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- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
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- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
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- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DAFHKNAQFPVRKR-UHFFFAOYSA-N (3-hydroxy-2,2,4-trimethylpentyl) 2-methylpropanoate Chemical compound CC(C)C(O)C(C)(C)COC(=O)C(C)C DAFHKNAQFPVRKR-UHFFFAOYSA-N 0.000 description 1
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- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
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- IJMMLESAAHRIPW-UHFFFAOYSA-N acetic acid;1-phenoxypropan-2-ol Chemical compound CC(O)=O.CC(O)COC1=CC=CC=C1 IJMMLESAAHRIPW-UHFFFAOYSA-N 0.000 description 1
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- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
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- SQIFACVGCPWBQZ-UHFFFAOYSA-N delta-terpineol Natural products CC(C)(O)C1CCC(=C)CC1 SQIFACVGCPWBQZ-UHFFFAOYSA-N 0.000 description 1
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Conductive Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
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Description
キャパシタとしての電気部品100を図1に示す。電気部品100は、端子電極104およびその端子電極上に形成されたホットメルトポリマー層105を備える。端子電極は、回路などの外部導電性要素と電気的および物理的に接合された電極と定義される。図1中のキャパシタは、本体101および本体101の両側での端子電極104ならびに両端子電極上のホットメルトポリマー層105を備える。
金属粉末は、ある実施形態において、銀、銅、金、パラジウム、白金、ロジウム、ニッケル、アルミニウム、ガリウム、インジウム、スズ、亜鉛、ビスマス、およびそれらの混合物からなる群から選択され得る。金属粉末は、別の実施形態において、銀、ニッケル、スズ、亜鉛、ビスマス、およびそれらの混合物からなる群から選択され得る。金属粉末は、別の実施形態において、銀であり得る。
ホットメルトポリマー層は、金属粉末がその中に分散するポリマーを含む。ポリマーは、リフロー中に溶融する。ポリマーのメルトマスフローレート(MFR)は、120〜200℃および0.3〜8kgfで0.5〜20g/10分である。ポリマーのMFRは、120〜200℃および0.3〜8kgfで、別の実施形態において0.8〜15g/10分、別の実施形態において1.0〜10g/10分であり得る。このようなポリマーは、高温で流動化する。MFRは、溶融ポリマーの流れの容易さの尺度である。それは、ある温度について重力重量を介して印加された圧力によって、特定の直径および長さの毛細管を通って10分で流れる、グラム単位でのポリマーの質量と定義される。MFRは、ある実施形態において、JIS7210に従って測定され得る。
溶媒は、ポリマーを溶解させるために使用され得る。溶媒は、端子電極上のホットメルトポリマーペーストを完全に乾燥させる間に蒸発する。
ポリマーペーストは、融剤をさらに含み得る。融剤は、はんだ付け対象の表面上の、酸化などの阻害因子を除去することによって、端子電極のはんだ付け性を増加させ得る。ポリマーペーストは、ある実施形態において0.1〜3重量部、別の実施形態において0.4〜2重量部、別の実施形態において0.5〜1.2重量部の融剤を含む。融剤は、リフロー後にホットメルトポリマー層に残存する。
添加剤、例えば、界面活性剤、分散剤、安定剤および可塑剤は、ペーストの所望の特性に基づいて、ポリマーペーストに添加することができる。
以下に、本発明の好ましい態様を示す。
[1] 端子電極と、前記端子電極上に形成されたホットメルトポリマー層とを備える電気部品であって、前記ホットメルトポリマー層は、(i)100重量部の金属粉末、および(ii)1〜30重量部のポリマーを含み、前記ポリマーのメルトマスフローレート(MFR)は、120〜200℃および0.3〜8kgfで0.5〜20g/10分である、電気部品。
[2] 前記金属粉末が、薄片、球状、団塊状、またはそれらの混合である粒子を含む、[1]に記載の電気部品。
[3] 前記金属粉末が、0.5〜20μmの直径(D50)を有する粒子を含む、[1]に記載の電気部品。
[4] 前記金属粉末が、銀、銅、金、パラジウム、白金、ロジウム、ニッケル、アルミニウム、ガリウム、インジウム、スズ、亜鉛、ビスマス、およびそれらの混合物からなる群から選択される、[1]に記載の電気部品。
[5] 前記ポリマーのガラス転移点が、−25〜180℃である、[1]に記載の電気部品。
[6] 前記ポリマーの分子量が、500〜100,000である、[1]に記載の電気部品。
[7] 前記ホットメルトポリマー層が、0.1〜3重量部の融剤をさらに含む、[1]に記載の電気部品。
[8] 前記ポリマーが、ポリエステル樹脂、フェノキシ樹脂、ノボラック樹脂、エポキシ樹脂、アクリル樹脂、メラミン樹脂、ポリイミド樹脂、ポリアミド樹脂、ポリスチレン樹脂、ブチラール樹脂、セルロース樹脂、ポリビニルアルコール、ポリウレタン樹脂、シリコーン樹脂、およびそれらの混合物からなる群から選択される、[1]に記載の電気部品。
[9] 前記電気部品が、抵抗器、キャパシタ、インダクタ、または半導体チップである、[1]に記載の電気部品。
[10] 電気部品を製造する方法であって、
本体を備える電気部品を提供する工程であって、少なくとも1種の端子電極が前記本体の上に形成される、工程と;
ホットメルトポリマーペーストを前記端子電極に適用する工程であって、前記ホットメルトポリマーペーストは、(i)100重量部の金属粉末、(ii)1〜30重量部のポリマーおよび(iii)溶媒を含み、前記ポリマーのメルトマスフローレートは、120〜200℃および0.3〜8kgfで0.5〜15g/10分である、工程と;
前記適用されたホットメルトポリマーペーストを乾燥させる工程と
を含む方法。
[11] 前記金属粉末が、薄片、球状、団塊状またはそれらの混合である、[10]に記載の方法。
[12] 前記ポリマーが、ポリエステル樹脂、フェノキシ樹脂、ノボラック樹脂、エポキシ樹脂、アクリル樹脂、メラミン樹脂、ポリイミド樹脂、ポリアミド樹脂、ポリスチレン樹脂、ブチラール樹脂、セルロース樹脂、ポリビニルアルコール、ポリウレタン樹脂、シリコーン樹脂、およびそれらの混合物からなる群から選択される、[10]に記載の方法。
[13] 前記ホットメルトポリマーペーストが、0.1〜3重量部の融剤をさらに含む、[10]に記載の方法。
[14] 乾燥温度が、50〜200℃である、[10]に記載の方法。
[15] 前記電気部品が、抵抗器、キャパシタ、インダクタ、または半導体チップである、[10]に記載の方法。
[16] 端子電極と、前記端子電極上に形成されたホットメルトポリマー層とを備える電気部品であって、前記ホットメルトポリマー層は、(i)100重量部の金属粉末および(ii)1〜30重量部のポリマーを含み、前記ポリマーは、ポリエステル樹脂、フェノキシ樹脂、ノボラック樹脂、エポキシ樹脂、アクリル樹脂、メラミン樹脂、ポリイミド樹脂、ポリアミド樹脂、ポリスチレン樹脂、ブチラール樹脂、セルロース樹脂、ポリビニルアルコール、ポリウレタン樹脂、シリコーン樹脂、およびそれらの混合物からなる群から選択される、電気部品。
ホットメルトポリマーペーストを、以下のとおり調製した。
ホットメルトポリマーペースト組成物を調べた。
− フェノキシ樹脂:
MFR 1.17g/10分(190℃および1.2kgfで);
Tg 92℃;
Mw 52,000。
− ポリエステル樹脂A:
MFR 6.59g/10分(130℃および5kgfで);
Tg 36℃;
Mw 16000。
− ポリエステル樹脂B:
MFR8.68g/10分(190℃および1.2kgfで);
Tg 65℃;
Mw 16000。
− エポキシ樹脂:
MFR 2.72g/10分(130℃および5kgfで);
Tg 65℃;
Mw 7000。
− フェノール樹脂:
熱硬化性ポリマー。
Claims (3)
- 端子電極と、前記端子電極上に形成されたホットメルトポリマー層とを備える電気部品であって、前記電気部品は、抵抗器、キャパシタ、インダクタまたは半導体チップであり、前記ホットメルトポリマー層は、(i)100重量部の銀粉末、および(ii)1〜30重量部のポリマーを含み、前記ポリマーのメルトマスフローレート(MFR)は、120〜200℃および0.3〜8kgfで0.5〜20g/10分である、電気部品。
- 抵抗器、キャパシタ、インダクタまたは半導体チップである電気部品を製造する方法であって、
本体を備える電気部品を提供する工程であって、少なくとも1種の端子電極が前記本体の上に形成される、工程と;
ホットメルトポリマーペーストを前記端子電極に適用する工程であって、前記ホットメルトポリマーペーストは、(i)100重量部の銀粉末、(ii)1〜30重量部のポリマーおよび(iii)溶媒を含み、前記ポリマーのメルトマスフローレートは、120〜200℃および0.3〜8kgfで0.5〜15g/10分である、工程と;
前記適用されたホットメルトポリマーペーストを乾燥させる工程と
を含む方法。 - 端子電極と、前記端子電極上に形成されたホットメルトポリマー層とを備える電気部品であって、前記電気部品は、抵抗器、キャパシタ、インダクタまたは半導体チップであり、前記ホットメルトポリマー層は、(i)100重量部の銀粉末および(ii)1〜30重量部のポリマーを含み、前記ポリマーは、ポリエステル樹脂、フェノキシ樹脂、ノボラック樹脂、エポキシ樹脂、アクリル樹脂、メラミン樹脂、ポリイミド樹脂、ポリアミド樹脂、ポリスチレン樹脂、ブチラール樹脂、セルロース樹脂、ポリビニルアルコール、ポリウレタン樹脂、シリコーン樹脂、およびそれらの混合物からなる群から選択される、電気部品。
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US14/660,203 US20160276303A1 (en) | 2015-03-17 | 2015-03-17 | Electronic component |
US14/660,203 | 2015-03-17 | ||
PCT/US2016/022633 WO2016149361A1 (en) | 2015-03-17 | 2016-03-16 | Metallic conductive hot melt paste based on thermoplastic polymer |
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US10910340B1 (en) | 2019-10-14 | 2021-02-02 | Heraeus Deutschland GmbH & Co. KG | Silver sintering preparation and the use thereof for the connecting of electronic components |
US11310950B2 (en) * | 2019-10-22 | 2022-04-19 | International Business Machines Corporation | Liquid metal infiltration rework of electronic assembly |
WO2021084981A1 (ja) * | 2019-10-29 | 2021-05-06 | パナソニックIpマネジメント株式会社 | ペースト組成物、誘電体組成物、キャパシタ、及び誘電体組成物を製造する方法 |
WO2022073647A2 (en) * | 2020-10-07 | 2022-04-14 | Alpha Assembly Solutions Inc. | Composition for use in the manufacture of an in-mould electronic (ime) component |
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US5062896A (en) * | 1990-03-30 | 1991-11-05 | International Business Machines Corporation | Solder/polymer composite paste and method |
US5354918A (en) * | 1992-07-17 | 1994-10-11 | Shin-Etsu Chemical Co., Ltd. | Highly pure monoalkylphosphine |
JPH08186049A (ja) | 1994-12-28 | 1996-07-16 | Du Pont Kk | 多層コンデンサー用端子電極組成物 |
JPH09260822A (ja) * | 1996-03-18 | 1997-10-03 | Teikoku Tsushin Kogyo Co Ltd | 基板への半田による電子部品接続固定構造 |
US6238599B1 (en) * | 1997-06-18 | 2001-05-29 | International Business Machines Corporation | High conductivity, high strength, lead-free, low cost, electrically conducting materials and applications |
JP3911345B2 (ja) * | 1998-06-18 | 2007-05-09 | Tdk株式会社 | 有機質正特性サーミスタ |
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JP2001055517A (ja) * | 1999-08-20 | 2001-02-27 | Matsushita Electric Works Ltd | 導電性樹脂組成物およびその製造方法 |
US6853074B2 (en) * | 1999-12-27 | 2005-02-08 | Matsushita Electric Industrial Co., Ltd. | Electronic part, an electronic part mounting element and a process for manufacturing such the articles |
US6814795B2 (en) * | 2001-11-27 | 2004-11-09 | Ferro Corporation | Hot melt conductor paste composition |
JP4389148B2 (ja) * | 2002-05-17 | 2009-12-24 | 日立化成工業株式会社 | 導電ペースト |
JP3723549B2 (ja) * | 2003-01-30 | 2005-12-07 | 荒川化学工業株式会社 | ハンダ付け用フラックス組成物、クリームハンダ組成物および電子部品 |
JP4093188B2 (ja) * | 2003-05-27 | 2008-06-04 | 株式会社村田製作所 | 積層セラミック電子部品とその実装構造および実装方法 |
JP2005120301A (ja) * | 2003-10-20 | 2005-05-12 | Hitachi Chem Co Ltd | 導電性塗料 |
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JP2007069259A (ja) * | 2005-09-09 | 2007-03-22 | Uchihashi Estec Co Ltd | ヤニ入りはんだ |
JP2007091959A (ja) * | 2005-09-30 | 2007-04-12 | Sumitomo Electric Ind Ltd | 異方導電性接着剤 |
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CN107533988A (zh) | 2018-01-02 |
JP2018516755A (ja) | 2018-06-28 |
US20170309591A1 (en) | 2017-10-26 |
US10186494B2 (en) | 2019-01-22 |
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