JP6357415B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP6357415B2 JP6357415B2 JP2014265184A JP2014265184A JP6357415B2 JP 6357415 B2 JP6357415 B2 JP 6357415B2 JP 2014265184 A JP2014265184 A JP 2014265184A JP 2014265184 A JP2014265184 A JP 2014265184A JP 6357415 B2 JP6357415 B2 JP 6357415B2
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Description
本願において、実施の態様の記載は、必要に応じて、便宜上複数のセクション等に分けて記載するが、特にそうでない旨明示した場合を除き、これらは相互に独立別個のものではなく、記載の前後を問わず、単一の例の各部分、一方が他方の一部詳細または一部または全部の変形例等である。また、原則として、同様の部分は繰り返しの説明を省略する。また、実施の態様における各構成要素は、特にそうでない旨明示した場合、理論的にその数に限定される場合および文脈から明らかにそうでない場合を除き、必須のものではない。
<半導体装置の製造方法>
本実施の形態の半導体装置(半導体集積回路装置)の製造方法について、図1から図9を用いて説明する。図1は、本実施の形態の半導体装置の製造工程を示すプロセスフロー図である。図2から図9は、本実施の形態の半導体装置の製造工程中の平面図または断面図である。平面図では、紙面の横方向をX方向、縦方向をY方向として説明する。X方向とY方向は、互いに直交する方向である。
図10は、図2に示すリードフレームの変形例を示す平面図である。上記実施の形態のリードフレーム1とは、切り欠き5の構造が異なるが、その他の部分は同様であり、上記実施の形態と同様の符号を付し、その説明は省略する。図10では、変形例1のリードフレームの符号を「1A」と表記している。また、リードフレーム1Aの単位半導体装置形成領域UTに相当する部分のみを図示している。
図11(a)および図11(b)は、図2に示すリードフレームの変形例を示す平面図および断面図である。上記実施の形態のリードフレーム1とは、切り欠き5の構造が異なるが、その他の部分は同様であり、上記実施の形態と同様の符号を付し、その説明は省略する。図11(a)および図11(b)では、変形例1のリードフレームの符号を「1B」と表記している。また、リードフレーム1Bの単位半導体装置形成領域UTに相当する部分のみを図示している。
図12(a)および図12(b)は、図2に示すリードフレームの変形例を示す平面図および断面図である。上記実施の形態のリードフレーム1とは、切り欠き5の構造が異なるが、その他の部分は同様であり、上記実施の形態と同様の符号を付し、その説明は省略する。図10では、変形例1のリードフレームの符号を「1C」と表記している。また、リードフレーム1Bの単位半導体装置形成領域UTに相当する部分のみを図示している。変形例3のリードフレーム1Cは、変形例1と変形例2とを組み合わせた構造となっている。
2 外枠
3 タブ
4 タブ吊りリード
4a、4b 辺
4c 主面
4d 裏面
5、5a、5b 切り欠き
5c 溝
6 タブ吊りリード支持部
7 ダムバー支持部
8 リード
9 ダムバー
10 半導体チップ
11 ボンディングパッド
12 ワイヤ
15 樹脂封止金型
16 プランジャー
17 ランナ部
18 ゲート部
19 キャビティ部
20 スルーゲート部
21 封止体
21A 主面
21B 裏面
21Y 辺
22 ゲート部樹脂体
25 治具(パンチ)
26 ダイ(支持台)
UT 単位半導体装置形成領域
Claims (6)
- (a)互いに対向し、第1方向に延在する第1および第2外枠と、前記第1方向と直交する第2方向に延在し、前記第1外枠に接続され、かつ前記第2外枠から切り離されたタブ吊りリード支持部と、前記第1方向において、前記タブ吊りリード支持部から反対方向に延在する第1タブ吊りリードおよび第2タブ吊りリードと、前記第1タブ吊りリードに接続された第1タブと、前記第2タブ吊りリードに接続された第2タブと、前記第1タブの周囲に配置された複数の第1リードと、前記第2タブの周囲に配置された複数の第2リードと、を有するリードフレームを準備する工程、
(b)主面に複数の第1ボンディングパッドを有する第1半導体チップを、前記第1タブ上に搭載し、主面に複数の第2ボンディングパッドを有する第2半導体チップを、前記第2タブ上に搭載する工程、
(c)前記複数の第1ボンディングパッドを前記複数の第1リードに電気的に接続し、前記複数の第2ボンディングパッドを前記複数の第2リードに電気的に接続する工程、
(d)前記第1半導体チップ、前記第1タブ、および、前記第1タブ吊りリードを覆う第1封止体と、前記第2半導体チップ、前記第2タブ、および、前記第2タブ吊りリードを覆う第2封止体と、を形成する工程、
(e)前記第1封止体と前記第2封止体との間に位置する前記タブ吊りリード支持部を治具で押圧し、前記第1タブ吊りリードおよび前記第2タブ吊りリードを前記タブ吊りリード支持部から分離する工程、
を有し、
前記工程(d)において、前記第1封止体が形成される第1キャビティから前記第2封止体が形成される第2キャビティへ、前記タブ吊りリード支持部と前記第2外枠との間に位置するスルーゲート部を介して封止樹脂が供給され、
前記第1封止体は、平面視における外形が略四角形であり、前記第2方向に延在する第1辺を有し、
前記第2封止体は、平面視における外形が略四角形であり、前記第2方向に延在する第2辺を有し、
前記第1タブ吊りリードは、前記第2方向において第1幅狭部を有し、前記第1封止体の前記第1辺は、前記第1幅狭部と交差し、
前記第2タブ吊りリードは、前記第2方向において第2幅狭部を有し、前記第2封止体の前記第2辺は、前記第2幅狭部と交差し、
前記第1および第2幅狭部は、前記第1および第2タブ吊りリードの前記第1外枠と対向する側に設けられ、前記第2外枠と対向する側には設けられていない、半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記第1方向における前記治具の幅は、前記第1封止体と前記第2封止体との間隔よりも狭い、半導体装置の製造方法。 - 請求項2に記載の半導体装置の製造方法において、
前記第1封止体と前記第2封止体の間隔は、前記第1方向における前記治具の幅の2倍よりも狭い、半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記第2方向において、前記第1幅狭部の幅は、前記第1幅狭部よりも前記第1タブに近い位置における前記第1タブ吊りリードの前記第2方向における幅よりも狭い、半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記工程(d)は、
(d−1)プランジャーと、前記プランジャーに連通する前記第1キャビティと、前記第1キャビティから前記スルーゲート部を介して前記第2キャビティに連通する金型を準備する工程、
(d−2)前記第1キャビティ内に前記第1半導体チップを、前記第2キャビティ内に前記第2半導体チップを配置する工程、
(d−3)前記プランジャーに封止樹脂を注入し、前記第1キャビティ、前記スルーゲート部および前記第2キャビティを、順に、前記封止樹脂で満たす工程、
を有する、半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記第1タブ吊りリードは、厚さ方向において、平坦な側面を有する、半導体装置の製造方法。
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JP2014265184A JP6357415B2 (ja) | 2014-12-26 | 2014-12-26 | 半導体装置の製造方法 |
TW104138294A TW201635478A (zh) | 2014-12-26 | 2015-11-19 | 半導體裝置之製造方法 |
CN201510881338.7A CN105742269B (zh) | 2014-12-26 | 2015-12-03 | 半导体装置及半导体装置的制造方法 |
CN201520995315.4U CN205452275U (zh) | 2014-12-26 | 2015-12-03 | 半导体装置 |
KR1020150174739A KR20160079652A (ko) | 2014-12-26 | 2015-12-09 | 반도체 장치의 제조 방법 |
US14/973,925 US9548285B2 (en) | 2014-12-26 | 2015-12-18 | Method of manufacturing semiconductor device |
HK16111898.2A HK1223733A1 (zh) | 2014-12-26 | 2016-10-14 | 半導體裝置及半導體裝置的製造方法 |
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