JPWO2009044695A1 - 電子部品の実装方法等 - Google Patents
電子部品の実装方法等 Download PDFInfo
- Publication number
- JPWO2009044695A1 JPWO2009044695A1 JP2009536036A JP2009536036A JPWO2009044695A1 JP WO2009044695 A1 JPWO2009044695 A1 JP WO2009044695A1 JP 2009536036 A JP2009536036 A JP 2009536036A JP 2009536036 A JP2009536036 A JP 2009536036A JP WO2009044695 A1 JPWO2009044695 A1 JP WO2009044695A1
- Authority
- JP
- Japan
- Prior art keywords
- electronic component
- film
- electrode terminal
- conductive adhesive
- suction film
- 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.)
- Granted
Links
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Abstract
Description
いくつかの課題を有している。
11 電極端子(第1の電子部品又は基板側)
12 絶縁膜(第1の電子部品又は基板)
20 第2の電子部品又は基板
21 電極端子(第2の電子部品又は基板側)
22 絶縁膜(第2の電子部品又は基板)
30 第2の導電性接着剤
31 はんだ粒子
32 樹脂成分
40 フィルム状の導電性接着剤
41 はんだ粒子
42 導電性接着剤(フィルム状)の樹脂成分
51 導電性接着剤の樹脂成分(第1の電子部品又は基板へ供給)
52 導電性接着剤の樹脂成分(第2の電子部品又は基板へ供給)
53 導電性接着剤(第1の電子部品又は基板へ供給)
54 導電性接着剤(第2の電子部品又は基板へ供給)
61 ダミー電極(第1の電子部品又は基板側)
62 ダミー電極(第2の電子部品又は基板側)
101 吸引膜(第1の電子部品又は基板側)
102 吸引膜(第2の電子部品又は基板側)
図2(1)〜(5)は、本実施形態に係る電子部品の実装方法を示すステップ図である。
図8は、第2の実施形態に係る電子部品の実装方法を説明するための概略図である。
第3の実施形態は、半導体チップ20とパッケージ基板10が、はんだ粒子を含有した第2の導電性接着剤を介してフリップチップ接続される点において第1の実施形態と同一である。さらに、電極端子サイズ、電極端子間隔などは第1の実施形態と同一である。
第4の実施形態は、吸引膜とダミー電極とを形成する工程を含む電子部品の実装方法の他の実施形態である。
Claims (13)
- 第1の接合面に複数の第1の電極端子が配列された第1の電子部品又は基板と、第2の接合面に複数の第2の電極端子が配列された第2の電子部品又は基板と、を接合する際に、前記第1の接合面と前記第2の接合面とを接合すると共に、互いに対応関係のある前記第1の電極端子と前記第2の電極端子とを電気的に接続する、電子部品の実装方法であって、
前記第1の接合面又は/及び前記第2の接合面の電極端子の表面と接触し、該電極端子からはり出す部分を有する吸引膜であって、導電性粒子が吸着する前記吸引膜を形成する工程と、
前記第1の接合面と前記第2の接合面との間に、前記導電性粒子を含有する導電性接着剤を供給する工程と、
前記吸引膜の融点及び前記導電性粒子の融点以上まで昇温する工程と、
を含む、電子部品の実装方法。 - 第1の接合面に複数の第1の電極端子が配列された第1の電子部品又は基板と、第2の接合面に複数の第2の電極端子が配列された第2の電子部品又は基板と、を接合する際に、前記第1の接合面と前記第2の接合面とを接合すると共に、互いに対応関係のある前記第1の電極端子と前記第2の電極端子とを電気的に接続する、電子部品の実装方法であって、
前記第1の接合面と前記第2の接合面との間に、導電性粒子を分散して含有するフィルム状の導電性接着剤を供給する工程と、
前記フィルム状の導電性接着剤の片面又は両面に、前記電極端子の表面と接触し、前記電極端子から張り出す部分を有する吸引膜であって、前記導電性粒子が吸着する前記吸引膜を形成する工程と、
前記吸引膜の融点及び前記導電性粒子の融点以上まで昇温する工程と、
を含む、電子部品の実装方法。 - 前記第1の接合面と前記第2の接合面との間に、前記導電性粒子を分散して含有する前記フィルム状の導電性接着剤を供給する前記工程において、
前記フィルム状の導電性接着剤の表面と、前記第1の接合面又は/及び前記第2の接合面と、の間に、ペースト状の導電性接着剤又は液状の絶縁性樹脂をさらに供給する、請求項2に記載の電子部品の実装方法。 - 前記吸引膜は、各々の前記電極端子に接触して形成される吸引膜同士が重ならないように形成される、請求項1から3のいずれか1項に記載の電子部品の実装方法。
- 前記吸引膜の融点が前記導電性粒子の融点よりも高い、請求項1から4のいずれか1項に記載の電子部品の実装方法。
- 前記吸引膜の融点及び前記導電性粒子の融点以上まで昇温する前記工程は、
前記導電性粒子の融点以上、前記吸引膜の融点未満の温度まで昇温し、維持する第1の加熱ステップと、
前記加熱工程より後に、吸引膜の融点以上まで昇温する第2の加熱ステップと、
を含んでいる、請求項5に記載の電子部品の実装方法。 - 前記第2の加熱ステップの後、冷却する工程をさらに有している、請求項6に記載の電子部品の実装方法。
- 前記吸引膜と該吸引膜に最近接する前記電極端子との最短距離、又は前記吸引膜同士の最短距離が、前記導電性接着剤に含まれている前記導電性粒子の直径の3倍以上である、請求項1から7のいずれか1項に記載の電子部品の実装方法。
- 前記導電性接着剤に含まれている前記導電性粒子と前記吸引膜とは、主要構成元素が同一である、請求項1から8のいずれか1項に記載の電子部品の実装方法。
- 前記第1の接合面又は/及び前記第2の接合面において、前記吸引膜の形成に加え、有効な電極端子として機能しない少なくとも1個のダミー電極を設け、
前記導電性粒子の融点以上まで昇温する際に、前記導電性接着剤中の余分な導電性粒子を前記ダミー電極に吸着させる、請求項1から9のいずれか1項に記載の電子部品の実装方法。 - 前記第1の接合面と前記第2の接合面とを対向させて、
互いに対応関係のある前記第1の電極端子と前記第2の電極端子とを位置合わせする工程を、さらに有している、請求項1から10のいずれか1項に記載の電子部品の実装方法。 - 前記導電性粒子がはんだ粒子である、請求項1から11のいずれか1項に記載の電子部品の実装方法。
- 第1の接合面に複数の第1の電極端子が配列された第1の電子部品又は基板と、
第2の接合面に複数の第2の電極端子が配列された第2の電子部品又は基板と、を備え、
前記第1の接合面と前記第2の接合面とが接合されていると共に、互いに対応関係のある前記第1の電極端子と前記第2の電極端子とが導電性粒子によって電気的に接続されている電子部品実装用構造体であって、
前記第1の接合面と前記第2の接合面との間に、前記導電性粒子を含有する導電性接着剤がフィルム状に形成されており、
前記フィルム状の前記導電性接着剤の表面であって、前記第1の電子部品又は基板に接する面と前記第2の電子部品又は基板に接する面の少なくとも一方の面に、前記導電性粒子が吸着する吸引膜が形成されている、電子部品実装用構造体。
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