JP5563918B2 - 回路装置の製造方法 - Google Patents
回路装置の製造方法 Download PDFInfo
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- JP5563918B2 JP5563918B2 JP2010164998A JP2010164998A JP5563918B2 JP 5563918 B2 JP5563918 B2 JP 5563918B2 JP 2010164998 A JP2010164998 A JP 2010164998A JP 2010164998 A JP2010164998 A JP 2010164998A JP 5563918 B2 JP5563918 B2 JP 5563918B2
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Description
図1を参照して、本形態が適用される混成集積回路装置12の構成を説明する。図1(A)は混成集積回路装置12の斜視図であり、図1(B)は図1(A)のX−X’線に於ける断面図である。
図6を参照して、本形態の回路装置50の構成を説明する。図6(A)は回路装置50の平面図であり、図6(B)は断面図である。本形態で説明する回路装置およびその製造方法は、上記した第1の実施の形態と基本的には同様であり、相違点は、リードフレーム型の回路装置50に対して上記した製造方法を適用することにある。
6(B)では、封止樹脂54により、半導体素子62、金属細線64、リード60の一部、アイランド52の側面および下面が封止樹脂54により被覆されている。
図10を参照して、上記した製造方法により製造される回路装置が組み込まれる室外機100の構成を説明する。ここでは、第1の実施の形態で説明した混成集積回路装置12(図1参照)が室外機100に組み込まれているが、第2の実施の形態で説明した回路装置50(図6参照)が室外機100に組み込まれても良い。
12 混成集積回路装置
14 回路基板
16 封止樹脂
18 第1封止樹脂
20 第2封止樹脂
22 導電パターン
24 リード
26 絶縁層
27 金型
28 半導体素子
29 上金型
30 チップ素子
31 下金型
34 金属細線
36 境界
38 ランナー
39 キャビティ
40 ポッド
41 第1封止領域
42 ゲート
43 第2封止領域
44 エアベント
46 タブレット
48 プランジャー
50 回路装置
52 アイランド
54 封止樹脂
56 第1封止樹脂
58 第2封止樹脂
60 リード
62 半導体素子
64 金属細線
66 吊りリード
68 金型
70 上金型
72 下金型
74 キャビティ
76 ランナー
78 ポッド
80 樹脂シート
82 ゲート
84 エアベント
86 タブレット
88 プランジャー
90 リードフレーム
92 ブロック
94 ユニット
96 連結部
98 連結部
100 室外機
102 筐体
104 圧縮機
106 凝縮器
108 ヒートシンク
110 実装基板
112 ファン
Claims (5)
- モールド金型のキャビティの内部に回路素子を打錠シートと共に配置し、前記モールド金型のポッドに樹脂タブレットを投入する工程と、
溶融された前記樹脂タブレットからなる第1封止樹脂を前記キャビティに注入すると共に、前記打錠シートを溶融して第2封止樹脂にすることにより、前記回路素子を樹脂封止する工程と、を備え、
前記樹脂封止する工程では、前記第1封止樹脂を前記キャビティに注入した後に、溶融した前記打錠シートから成る前記第2封止樹脂を硬化させ、
前記打錠シートを構成する樹脂材料に含まれる硬化促進剤の量は、前記樹脂タブレットを構成する樹脂材料に含まれる硬化促進剤の量よりも少ないことを特徴とする回路装置の製造方法。 - 前記打錠シートを構成する樹脂材料の硬化時間は、前記樹脂タブレットを構成する樹脂材料の硬化時間よりも長いことを特徴とする請求項1に記載の回路装置の製造方法。
- 前記樹脂封止する工程では、前記第2封止樹脂を前記第1封止樹脂よりも早期に硬化させることを特徴とする請求項1または請求項2に記載の回路装置の製造方法。
- 前記回路素子を配置する工程では、複数個の前記回路素子から成る構成集積回路が組み込まれた回路基板が前記打錠シートの上面に載置され、
前記樹脂封止する工程では、溶融した前記樹脂タブレットから成る前記第1封止樹脂により前記回路素子および前記回路基板の上面および側面上部が被覆され、溶融した前記打錠シートから成る前記第2封止樹脂により前記回路基板の下面および側面下部が被覆されることを特徴とする請求項1から請求項3の何れかに記載の回路装置の製造方法。 - 前記回路素子を配置する工程では、上面に半導体素子が固着されたアイランドが前記打錠シートの上面に載置され、
前記樹脂封止する工程では、溶融した前記樹脂タブレットから成る前記第1封止樹脂により前記回路素子および前記アイランドの上面および側面上部が被覆され、溶融した前記打錠シートから成る前記第2封止樹脂により前記アイランドの下面および側面下部が被覆されることを特徴とする請求項1から請求項3の何れかに記載の回路装置の製造方法。
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