JP2013144314A - 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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Abstract
【解決手段】本発明は、キネティックスプレー装置の中に供給され、基板若しくは基板の一部に向かって加速され、既存の半田よりも良好な熱的及び電気的特性を有する複合半田を形成する、混合粉体又は複合粉体を提供している。このように半田層を形成する利点は、後続の半田付け性を改善する低い酸素濃度、堆積厚みの優れた制御、堆積化学成分の優れた制御、及び最終的に、高速の製造を含んでいる。
【選択図】図1
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・・・キネティックスプレーガン
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 (10)
- フィラー物質からなる、高い熱伝導性及び導電性を有する内側構成要素と、
前記内側構成要素を覆う半田金属マトリックスからなる外側構成要素と、
から本質的に成るキネティックスプレーのための複合粉体粒子であって、
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)、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、又はプラチナ群の金属(PGM)、及びこれら金属の合金のうちの一以上を有し、
前記半田金属マトリックスは、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)のうちの一以上を有する、複合粉体粒子。 - 複合粉体粒子のサイズは約90ミクロンより小さく、約5ミクロンより大きいことを特徴とする請求項1に記載の複合粉体粒子。
- 前記内側構成要素を提供するステップと、
前記内側構成要素を粉体粒子に形成するステップと、
前記外側構成要素を提供するステップと、
前記外側構成要素を前記内側構成要素の上に、電気化学的方法、化学的方法、物理的気相堆積法(PVD)、及び機械的クラッドのうちの1つ以上を使用して堆積するステップと、
を備え、
前記粉体は自由に流れており、
複合粉体粒子のサイズは約90ミクロンより小さく、約5ミクロンより大きいことを特徴とする請求項1に記載の粉体粒子を製造する方法。 - 前記内側構成要素を形成するステップは、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3に記載の方法。
- 前記内側構成要素を形成するステップは、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3に記載の方法。
- 固相金属マトリックス物質を備える紛体材料とフィラー物質を備える紛体材料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1つ以上であり、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)、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、
前記粉体材料は、前記フィラー物質からなる内側構成要素と前記固相金属マトリックス物質からなる外側構成要素とを備える粒子を有する複合粉体である、基板上に複合半田コーティングを形成する方法。 - 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6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6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パーセントであることを特徴とする請求項6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6に記載の方法。
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US20080110531A1 (en) | 2008-05-15 |
JP2008137077A (ja) | 2008-06-19 |
EP2484795A2 (en) | 2012-08-08 |
CA2609565C (en) | 2016-02-16 |
JP5430060B2 (ja) | 2014-02-26 |
EP1921176A2 (en) | 2008-05-14 |
CA2609565A1 (en) | 2008-05-13 |
US7758916B2 (en) | 2010-07-20 |
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 |
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