JP5147758B2 - 半導体装置の製造方法、半導体装置およびモールド金型 - Google Patents
半導体装置の製造方法、半導体装置およびモールド金型 Download PDFInfo
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- JP5147758B2 JP5147758B2 JP2009046355A JP2009046355A JP5147758B2 JP 5147758 B2 JP5147758 B2 JP 5147758B2 JP 2009046355 A JP2009046355 A JP 2009046355A JP 2009046355 A JP2009046355 A JP 2009046355A JP 5147758 B2 JP5147758 B2 JP 5147758B2
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- 229910052737 gold Inorganic materials 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
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- H01L2924/181—Encapsulation
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Description
特開平1−205432号公報
本発明は、半導体素子が実装されたアイランドを収納して樹脂封止するためのキャビティが複数個設けられるモールド金型であり、第1キャビティと、液状の封止樹脂が供給される経路に対して前記第1キャビティよりも下流側に配置された第2キャビティと、一端が前記第1キャビティと連続し、他端が前記第2キャビティと連続するランナーと、を具備し、前記ランナーと前記第2キャビティとが連続する箇所は、前記ランナーと前記第1キャビティが連続する箇所よりも、下方に配置されることを特徴とする。
更に本発明は、半導体素子が実装されたアイランドを収納して樹脂封止するためのキャビティが複数個設けられるモールド金型であり、第1キャビティと、液状の封止樹脂が供給される経路に対して前記第1キャビティよりも下流側に配置された第2キャビティと、一端が前記第1キャビティと連続し、他端が前記第2キャビティと連続するランナーと、を具備し、前記ランナーと前記第2キャビティとが連続する箇所は、前記ランナーと前記第1キャビティが連続する箇所よりも、前記キャビティの厚み方向に対して端部寄りに配置され、前記ランナーは、注入される封止樹脂の進行方向に対して傾斜して配置されることを特徴とする。
すへ具体的には、キャビティ36Aのエアベントとランナー38との接続箇所(排出口)P1は、キャビティ36Aの厚み方向において中央部付近に設けられている。更には、この接続箇所P1は、半導体素子20が実装されるアイランド12よりも上方に設けられている。それに対して、ランナー38とキャビティ36Bのゲートとの接続箇所(注入口)P2は、接続箇所P1よりも下方に配置されており、アイランド12と同じ高さあるいは下方に配置されている。
しかしながら本発明では、このP1を従来よりも押し上げ、溶融樹脂がアイランド12に力を作用させる前で、隣のキャビティ36Bに射出させている。このことにより、封止樹脂16がアイランド12に与える圧力が低減されて、結果的にアイランド12の下方への移動が抑制される。
12 アイランド
14,14A,14B,14C リード
16 封止樹脂
20 半導体素子
22 貫通孔
24 金属細線
30 金型
32 上金型
34 下金型
36,36A,36B,36C,36D,36E キャビティ
38 ランナー
40 プランジャー
42 ポッド
44 ランナー
50 リードフレーム
52 外枠
54 ブロック
56、56A、56B、56C、56D、56E、56F、56G、56H ユニット
58 タイバー
Claims (10)
- ランナーを介して互いに連通する複数のキャビティを有する金型を用意する工程と、
前記金型にリードフレームを配置し、前記リードフレームに含まれるアイランド、前記アイランドの近傍に一端が配置されたリード、前記アイランドに固着された半導体素子および前記リードと前記半導体素子とを接続する金属細線を各々の前記キャビティに収納する工程と、
前記ランナーを介して前記複数のキャビティに封止樹脂を注入し、前記アイランド、前記リード、前記半導体素子および前記金属細線を前記封止樹脂で封止する工程と、を具備する半導体装置の製造方法に於いて、
前記封止する工程では、一の前記キャビティから排出口を経由して前記ランナーに排出された前記封止樹脂を、前記排出口よりも下方に配置された注入口を経由して前記ランナーから他の前記キャビティに注入することを特徴とする半導体装置の製造方法。 - 前記キャビティは平面視で4つの側辺から成る矩形を成し、前記排出口と前記注入口は、対向する前記側辺の側面に設けられることを特徴とする請求項1に記載の半導体装置の製造方法。
- 前記封止樹脂が硬化した後、前記金型から前記封止樹脂で封止された前記半導体装置を取り出し、前記ランナーに充填された前記封止樹脂を取り除き、前記半導体装置の側面に切除痕を設けることを特徴とする請求項1または請求項2に記載の半導体装置の製造方法。
- 前記注入口は、前記キャビティに収納される前記アイランドよりも下方に設けられることを特徴とする請求項3に記載の半導体装置の製造方法。
- 前記封止する工程では、前記金型に設けた押圧部を前記アイランドに接触させることを特徴とする請求項1から請求項4の何れかに記載の半導体装置の製造方法。
- 前記金型は、上金型および下金型から成ることを特徴とする請求項1から請求項5のいずれかに記載の半導体装置の製造方法。
- 請求項1から請求項6の何れかに記載された製造方法により製造された半導体装置であり、
前記ランナーに充填された前記封止樹脂を除去することにより半導体装置の側面には切除痕が形成され、一側面に形成された前記切除痕と、前記一側面に対向する他側面に形成された切除痕とが非対称に配置されることを特徴とする半導体装置。 - 半導体素子が実装されたアイランドを収納して樹脂封止するためのキャビティが複数個設けられるモールド金型であり、
第1キャビティと、
液状の封止樹脂が供給される経路に対して前記第1キャビティよりも下流側に配置された第2キャビティと、
一端が前記第1キャビティと連続し、他端が前記第2キャビティと連続するランナーと、を具備し、
前記ランナーと前記第2キャビティとが連続する箇所は、前記ランナーと前記第1キャビティが連続する箇所よりも、下方に配置されることを特徴とするモールド金型。 - 半導体素子が実装されたアイランドを収納して樹脂封止するためのキャビティが複数個設けられるモールド金型であり、
第1キャビティと、
液状の封止樹脂が供給される経路に対して前記第1キャビティよりも下流側に配置された第2キャビティと、
一端が前記第1キャビティと連続し、他端が前記第2キャビティと連続するランナーと、を具備し、
前記ランナーと前記第2キャビティとが連続する箇所は、前記ランナーと前記第1キャビティが連続する箇所よりも、前記キャビティの厚み方向に対して端部寄りに配置され、
前記ランナーは、注入される封止樹脂の進行方向に対して傾斜して配置されることを特徴とするモールド金型。 - 前記アイランドの上面に接触する押圧部を更に備えることを特徴とする請求項8または請求項9に記載のモールド金型。
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US12/568,486 US8105883B2 (en) | 2008-09-30 | 2009-09-28 | Molding die with tilted runner, method of manufacturing semiconductor device using the same, and semiconductor device made by the method |
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JP4852088B2 (ja) * | 2008-11-04 | 2012-01-11 | 株式会社東芝 | バイアス回路 |
JP5333402B2 (ja) * | 2010-10-06 | 2013-11-06 | 三菱電機株式会社 | 半導体装置の製造方法 |
CN102856217B (zh) * | 2011-06-30 | 2018-05-22 | 恩智浦美国有限公司 | 用于模塑半导体器件的装置和方法 |
DE102012207678A1 (de) * | 2012-05-09 | 2013-11-14 | Osram Opto Semiconductors Gmbh | Vorrichtung zum formen einer gehäusestruktur für eine mehrzahl von elektronischen bauteilen und gehäusestruktur für eine mehrzahl von elektronischen bauteilen |
US9911838B2 (en) * | 2012-10-26 | 2018-03-06 | Ixys Corporation | IGBT die structure with auxiliary P well terminal |
JP6619356B2 (ja) * | 2014-11-07 | 2019-12-11 | 三菱電機株式会社 | 電力用半導体装置およびその製造方法 |
US9583421B2 (en) | 2015-07-16 | 2017-02-28 | Semiconductor Components Industries, Llc | Recessed lead leadframe packages |
CN107645874A (zh) * | 2016-07-20 | 2018-01-30 | 珠海市声驰电器有限公司 | 一种密封电路结构及其灌封方法 |
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US20210043466A1 (en) * | 2019-08-06 | 2021-02-11 | Texas Instruments Incorporated | Universal semiconductor package molds |
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