JP4597118B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
- Publication number
- JP4597118B2 JP4597118B2 JP2006356734A JP2006356734A JP4597118B2 JP 4597118 B2 JP4597118 B2 JP 4597118B2 JP 2006356734 A JP2006356734 A JP 2006356734A JP 2006356734 A JP2006356734 A JP 2006356734A JP 4597118 B2 JP4597118 B2 JP 4597118B2
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- semiconductor element
- wire
- fine metal
- lead
- metal wire
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Description
本実施の形態では、図1および図2を参照して、本発明の製造方法により製造される半導体装置10の構成を説明する。図1(A)は半導体装置10の斜視図であり、図1(B)は半導体装置10を上方から見た平面図であり、図1(C)は半導体装置10の代表的な断面図である。
本実施の形態では、図3から図8を参照して、半導体装置の製造方法を説明する。本実施の形態の半導体装置の製造方法は、アイランド14(第1導電部材)に半導体素子18を実装する工程と、半導体素子18の上面に設けたボンディングパッドとリード16(第2導電部材)とを金属細線20により接続する工程とを具備する。更に、本実施の形態では、金属細線20を形成する工程に於いて、アイランド14とリード16との間で、保持部50(保持手段)により金属細線20の中間部を保持している。このことにより、ワイヤボンディングの工程における金属細線20の垂れ下がりを防止して、金属細線20と半導体素子18とのショートを防止できる効果が得られる。これらの各工程の詳細を以下にて説明する。
12 封止樹脂
14 アイランド
16、16A、16B、16C、16D、16E、16F、16G、16H リード
18 半導体素子
20、20A、20B、20C、20D、20E、20F、20G 金属細線
22 ボンディングパッド
24 ボンディングパッド
26、26A、26B、26C、26D、26E、26F、26G 第1接続部
28A、28B、28C、28D、28E、28F、28G 第2接続部
30 接続領域
32 リードフレーム
34 ブロック
35 ユニット
36 孔部
38 吊りリード
40 キャピラリ
42 第1屈曲部
44 第2屈曲部
46 第3屈曲部
48 ブロック
50 保持部
52 金型
54 上金型
56 下金型
58 中心点
60 キャビティ
Claims (3)
- 複数のリードを具備するリードフレームを準備する工程と、
上面にボンディングパッドが設けられた半導体素子を、前記リードフレームのアイランド形状の第1導電部材の上面に載置する第1工程と、
前記ボンディングパッドと前記リードの接続領域とを、長さの異なる複数の金属細線により接続する第2工程とを具備し、
前記複数の金属細線は、ボンディングパッドとの接続部を第1接続部、前記接続領域との接続部を第2接続部とし、前記第1接続部には前記半導体素子の周辺寄りに配置されたものと当該周辺寄りに配置されたものより前記半導体素子の中心に近い位置に配置されたものとがあり、
前記接続領域は、前記複数の金属細線に対して連続した共通の金属部材であって、前記第2工程では前記複数の金属細線を、第1接続部が接続領域に対して接近しているものから順にワイヤボンドすると共に、前記接続領域に対しては超音波振動を印加する手法にてワイヤボンドし、且つ、
前記第2工程では、前記第2導電部材と前記第1導電部材との間で、前記半導体素子の上面よりも上方に突出する保持手段により、前記金属細線の中間部を保持することを特徴とする半導体装置の製造方法。 - 全ての前記金属細線は、前記半導体素子の1つの側辺から引き出され、
前記第1導電部材と前記接続領域との間に直線状に設けた前記保持手段により前記金属細線を保持することを特徴とする請求項1記載の半導体装置の製造方法。 - 前記第2接続部は前記側辺に対して平行に且つ一直線に配置されることを特徴とする請求項1記載の半導体装置の製造方法。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57193234U (ja) * | 1981-06-01 | 1982-12-07 | ||
JPS59211241A (ja) * | 1983-05-17 | 1984-11-30 | Toshiba Corp | 半導体装置のワイヤボンデイング方法 |
JPH01183129A (ja) * | 1988-01-18 | 1989-07-20 | Fujitsu Ltd | 半導体装置 |
JP2001284395A (ja) * | 2000-03-31 | 2001-10-12 | Sanken Electric Co Ltd | 半導体装置 |
JP2005064532A (ja) * | 2004-10-15 | 2005-03-10 | Renesas Technology Corp | 半導体装置 |
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2006
- 2006-12-29 JP JP2006356734A patent/JP4597118B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57193234U (ja) * | 1981-06-01 | 1982-12-07 | ||
JPS59211241A (ja) * | 1983-05-17 | 1984-11-30 | Toshiba Corp | 半導体装置のワイヤボンデイング方法 |
JPH01183129A (ja) * | 1988-01-18 | 1989-07-20 | Fujitsu Ltd | 半導体装置 |
JP2001284395A (ja) * | 2000-03-31 | 2001-10-12 | Sanken Electric Co Ltd | 半導体装置 |
JP2005064532A (ja) * | 2004-10-15 | 2005-03-10 | Renesas Technology Corp | 半導体装置 |
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