JP5430060B2 - 高い熱伝導率と高い導電率とを有する半田接合の材料及び製造方法 - Google Patents
高い熱伝導率と高い導電率とを有する半田接合の材料及び製造方法 Download PDFInfo
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Description
(1) 錫−銀−銅(Sn−Ag−Cu)、錫−銅(Sn−Cu)、錫−銅−ニッケル(Sn−Cu−Ni)、錫−銀(Sn−Ag)、錫−銀−ビスマス(Sn−Ag−Bi)、錫−ビスマス−インジウム(Sn−Bi−In)、錫−金(Au−Sn)、錫−亜鉛(Sn−Zn)、錫−亜鉛−ビスマス(Sn−Zn−Bi)、錫−ビスマス−銀(Sn−Bi−Ag)、錫(Sn)、錫−インジウム(Sn−In)、インジウム(In)、インジウム−銀(In−Ag)、及び錫−鉛(Sn−Pb)のうちの1つ以上、及び
(2) 銅(Cu)、金(Au)、ニッケル(Ni)、ニッケル−金(Ni−Au)、炭素(C)、銀(Ag)、アルミニウム(Al)、モリブデン(Mo)、ニッケル(Ni)又はニッケル−金(Ni−Au)でコーティングされた炭素、プラチナ群の金属(PGM)、及びこれら金属の合金のうちの1つ以上からなる、高い熱伝導性及び導電性を有するフィラー物質、
を有する半田金属のマトリックスを含んで提供される。
12・・・動力学的スプレーガン
14・・・被加工物(基板)
16・・・真空タンク
20・・・被加工物操作装置
28・・・主ガスライン
30・・・保存容器
32・・・供給部
34・・・粉体供給機
36・・・粉体ガスライン
40・・・スプレーノズル
100・・・複合粉体
110・・・スプレー
120・・・粒子
122・・・半田金属マトリックス
124・・・フィラー物質
126・・・空孔
140、150・・・コーティング
Claims (11)
- 基板上に複合半田コーティングを形成する方法であって、
該方法は、
固相金属マトリックス物質からなる紛体物質とフィラー物質からなる紛体物質とを提供するステップであって、
前記固相金属マトリックス物質は、錫−銀−銅(Sn−Ag−Cu)、錫−銅(Sn−Cu)、錫−銅−ニッケル(Sn−Cu−Ni)、錫−銀(Sn−Ag)、錫−銀−ビスマス(Sn−Ag−Bi)、錫−ビスマス−インジウム(Sn−Bi−In)、錫−金(Au−Sn)、錫−亜鉛(Sn−Zn)、錫−亜鉛−ビスマス(Sn−Zn−Bi)、錫−ビスマス−銀(Sn−Bi−Ag)、錫(Sn)、錫−インジウム(Sn−In)、インジウム(In)、インジウム−銀(In−Ag)、及び錫−鉛(Sn−Pb)のうちの一以上であり、
前記フィラー物質は、銅(Cu)、金(Au)、ニッケル(Ni)、ニッケル−金(Ni−Au)、炭素、銀(Ag)、アルミニウム(Al)、モリブデン(Mo)、及びこれら金属の合金、ニッケル(Ni)でコーティングされた炭素又はニッケル−金(Ni−Au)でコーティングされた炭素、並びにプラチナ群の金属(PGM)のうちの一である、ステップと、
前記粉体物質をキネティックスプレー装置に供給するステップと、
前記粉体物質を、収束−発散ノズルを通じて、雰囲気圧より小さいか、又は雰囲気圧と同じ圧力で基板上にスプレーするステップと、
を備え、
前記複合半田コーティング中の前記半田金属マトリックスの体積比率は10〜90パーセントであり、前記複合半田コーティング中の前記フィラー物質の体積比率は10〜90パーセントである、方法。 - 前記粉体物質は、分離した固相金属マトリックス物質粒子とフィラー物質粒子との混合体であることを特徴とする請求項1に記載の方法。
- 前記キネティックスプレーのステップは、真空状態の下で行われることを特徴とする請求項1に記載の方法。
- 前記粉体物質を室温以上の温度まで予備加熱するステップをさらに備えることを特徴とする請求項1に記載の方法。
- 前記複合半田コーティング中の前記半田金属マトリックスの体積比率は20〜40パーセントであり、前記複合半田コーティング中の前記フィラー物質の体積比率は60〜80パーセントであることを特徴とする請求項1に記載の方法。
- 錫−銀−銅(Sn−Ag−Cu)粉末、錫−銅(Sn−Cu)粉末、錫−銅−ニッケル(Sn−Cu−Ni)粉末、錫−銀(Sn−Ag)粉末、錫−銀−ビスマス(Sn−Ag−Bi)粉末、錫−ビスマス−インジウム(Sn−Bi−In)粉末、錫−金(Au−Sn)粉末、錫−亜鉛(Sn−Zn)粉末、錫−亜鉛−ビスマス(Sn−Zn−Bi)粉末、錫−ビスマス−銀(Sn−Bi−Ag)粉末、錫(Sn)粉末、錫−インジウム(Sn−In)粉末、インジウム(In)粉末、インジウム−銀(In−Ag)粉末、及び錫−鉛(Sn−Pb)粉末から選択された、半田金属マトリックスから成る紛体と、
銅(Cu)、金(Au)、ニッケル(Ni)、ニッケル−金(Ni−Au)、炭素、銀(Ag)、アルミニウム(Al)、モリブデン(Mo)、及びこれら金属の合金、から成る粉末、ニッケル(Ni)でコーティングされた炭素粉末もしくはニッケル−金(Ni−Au)でコーティングされた炭素粉末、並びにプラチナ群の金属(PGM)から成る粉末、から選択された、高い熱伝導性及び導電性を有するフィラー物質から成る紛体と、
から本質的に成る、請求項1〜5のいずれか一項に記載の方法に使用されるキネティックスプレーのための混合粉体。 - 前記粉体は自由に流れており、前記混合粉体の粒子のサイズは90ミクロンより小さく、5ミクロンより大きいことを特徴とする請求項6に記載の混合粉体。
- 前記半田金属マトリックスの体積比率は20〜40パーセントであり、前記フィラー物質の体積比率は60〜80パーセントであり、前記粉体は自由に流れており、前記混合粉体の粒子のサイズは90ミクロンより小さく、5ミクロンより大きいことを特徴とする請求項6に記載の混合粉体。
- 前記半田金属マトリックス物質及び前記フィラー物質を提供するステップと、
前記半田金属マトリックス物質を粉体粒子に形成するステップと、
前記フィラー物質を粉体粒子に形成するステップと、
前記半田金属マトリックス粉体粒子と前記フィラー物質粉体粒子とを、望ましい比率に混合するステップと、
を備える、請求項6〜8のいずれか一項に記載の混合粉体を製造する方法。 - 前記半田金属マトリックスを形成するステップと、前記フィラー物質を形成するステップとはそれぞれ、不活性ガス中でのガスアトマイゼーション、又は真空中でのガスアトマイゼーションを使用して行われていることを特徴とする請求項9に記載の方法。
- 前記半田金属マトリックスを形成するステップと、前記フィラー物質を形成するステップとはそれぞれ、電気化学的析出、化学的析出、ウォターアトマイゼーション、又はプラズマ気相堆積法のうちの1つ以上を使用して行われることを特徴とする請求項9に記載の方法。
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US11/598,062 US7758916B2 (en) | 2006-11-13 | 2006-11-13 | Material and method of manufacture of a solder joint with high thermal conductivity and high electrical conductivity |
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JP2008137077A (ja) | 2008-06-19 |
EP2484795A2 (en) | 2012-08-08 |
CA2609565C (en) | 2016-02-16 |
EP1921176A2 (en) | 2008-05-14 |
CA2609565A1 (en) | 2008-05-13 |
US7758916B2 (en) | 2010-07-20 |
JP2013144314A (ja) | 2013-07-25 |
CN101200800A (zh) | 2008-06-18 |
US8034195B2 (en) | 2011-10-11 |
US20100243107A1 (en) | 2010-09-30 |
EP1921176A3 (en) | 2012-04-04 |
EP2484795A3 (en) | 2017-06-21 |
JP5658293B2 (ja) | 2015-01-21 |
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CN102152019A (zh) | 2011-08-17 |
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