JP2005277168A - 半導体装置、その組立方法及び半導体装置用導電性接着剤 - Google Patents
半導体装置、その組立方法及び半導体装置用導電性接着剤 Download PDFInfo
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Abstract
半導体ペレット、リードフレーム、クリップの部材寸法に対する許容誤差を大きくして製造時の要求精度を緩和した半導体装置、その組立方法及び半導体装置用導電性接着剤を提供すること。
【解決手段】
本発明にかかる半導体装置は、表面にソース電極21を有する半導体ペレット2と、ソース端子14を有するリードフレーム1と、ソース電極21及びソース端子14に導電性接着剤6によって接着されて、ソース電極21とソース端子14との間を電気的に導通する板状のクリップ3とを有する半導体装置であって、導電性接着剤6はバインダー樹脂中に塑性を有する導電体粒子61を含有し、接着による塑性変形前における導電体粒子61の少なくとも一部又は全部の粒径は、接着されるソース電極21とクリップ3との隙間間隔及びソース端子14とクリップ3との隙間間隔の最大値以上の大きさを有するものである。
【選択図】 図1
Description
図1に、本実施の形態にかかる半導体装置および半導体装置用導電性接着剤を示す。
図1(a)は、半導体装置を封止するモールド樹脂を除いて示した平面図であり、図1(b)はそのA−B線での断面図である。
ドレインリード12は、半導体パッケージ内部においてアイランド部11と繋がって一体形成されている。ソースリード13は、半導体パッケージ内部(インナーリード)において単一のソース電極14を形成している。ゲートリード15は、半導体パッケージ内部(インナーリード)にゲート端子16を有している。
11 アイランド部
13 ソースリード
14 ソース端子
2 半導体ペレット
21 ソース電極
3 クリップ
5 ハウジング
6 導電性接着剤
61 導電体粒子
Claims (6)
- 表面に少なくとも1つの電極を有する半導体ペレットと、少なくともひとつのリード端子を有するリードフレームと、前記電極及び前記リード端子に導電性接着剤によって接着されて、前記電極と前記リード端子との間を電気的に導通する板状のクリップとを有する半導体装置であって、
前記導電性接着剤はバインダー樹脂中に塑性を有する導電体粒子を含有し、
接着による塑性変形前における前記導電体粒子の少なくとも一部又は全部の粒径は、接着される前記電極と前記クリップとの隙間間隔及び前記リード端子と前記クリップとの隙間間隔の最大値以上の大きさを有する、
半導体装置。 - 前記導電体粒子は、アルミニウム又はインジウムであることを特徴とする請求項1に記載の半導体装置。
- 表面に少なくとも1つの電極を有する半導体ペレットと、少なくともひとつのリード端子を有するリードフレームと、前記電極と前記リード端子との間を電気的に導通する板状のクリップとを有する半導体装置の組立方法であって、
塑性を有する導電体粒子を含有する導電性接着剤を介して、前記半導体ペレット表面の電極に前記クリップを圧着し、前記導電体粒子を塑性変形させて前記電極及び前記クリップに接触させる工程と、
前記塑性を有する導電体粒子を含有する導電性接着剤を介して、前記リード端子に前記クリップを圧着し、前記導電体粒子を塑性変形させて前記リード端子及び前記クリップに接触させる工程を有し、
接着による塑性変形前における前記導電体粒子の少なくとも一部又は全部の粒径は、前記電極又は前記リード端子と前記クリップとの隙間間隔の最大値以上である、
半導体装置の組立方法。 - 前記導電体粒子は、アルミニウム又はインジウムであることを特徴とする請求項3に記載の半導体装置の組立方法。
- 半導体ペレット上の電極又はリードフレームのリード端子と、板状のクリップとの間を接着して、前記電極又は前記リード端子と前記クリップ間を電気的に導通させる導電性接着剤であって、
バインダー樹脂中に塑性を有する導電体粒子を含有し、
前記導電体粒子の粒径の最大値は、接着される前記電極と前記クリップとの隙間間隔又は前記リード端子と前記クリップとの隙間間隔の最大値以上である、
半導体装置用導電性接着剤。 - 前記導電体粒子は、アルミニウム又はインジウムであることを特徴とする請求項5に記載の半導体装置用導電性接着剤。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004089453A JP4327636B2 (ja) | 2004-03-25 | 2004-03-25 | 半導体装置及びその組立方法 |
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WO2014167693A1 (ja) * | 2013-04-11 | 2014-10-16 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
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