JP2018125526A - ヒートスラグとリベットのないダイ取付領域とを有する半導体パッケージ - Google Patents
ヒートスラグとリベットのないダイ取付領域とを有する半導体パッケージ Download PDFInfo
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Abstract
【解決手段】 半導体デバイスパッケージを形成する方法は、周縁構造を有するリードフレームと、上面及び下面を有するヒートスラグとを設ける工程を含み、ヒートスラグは、周縁構造に取り付けられる。半導体ダイがヒートスラグに取り付けられる。この半導体ダイは、ヒートスラグが周縁構造に取り付けられている間に成形コンパウンドで封入される。ヒートスラグには封入前に留め具が完全にない。
【選択図】 図1
Description
102 主増幅器
104 ピーキング増幅器
106 ヒートスラグ
108 チップコンデンサ
110 入力リード線
112 出力リード線
114 導電性ボンドワイヤ
115 追加のリード線
116 リベット
118 上面
120 電気的絶縁性成形コンパウンド
122 下側部分
124 背面
126 リードフレーム
128 周縁構造
130 支持支柱
132 本体部分
134 下側部分
136 突出部
138 第1の長い側部
140 第3の長い側部
142 支持構造
144 第2の短い側部
148 より薄い部分
150 より厚い部分
152 支持支柱
154 リベットパッド
156 支持構造
158 第1の部分
160 第2の部分
162 側壁
Claims (21)
- 半導体デバイスパッケージを形成する方法であって、
周縁構造を含むリードフレームと、上面及び下面を含むヒートスラグとを設ける工程であって、前記ヒートスラグは、前記周縁構造に取り付けられる、工程と、
半導体ダイを前記ヒートスラグに取り付ける工程と、
前記ヒートスラグが前記周縁構造に取り付けられている間に前記半導体ダイを成形コンパウンドで封入する工程と
を含み、
前記ヒートスラグには前記封入前に留め具が完全にない、方法。 - 前記半導体ダイを封入する工程は、前記ヒートスラグの背面上に前記成形コンパウンドを何ら形成することなく、前記ヒートスラグの前記上面全体に前記成形コンパウンドを形成する工程を含む、請求項1に記載の方法。
- 封入後、前記半導体デバイスパッケージの下側部分は、前記ヒートスラグの前記背面と完全に同一の広がりを有する、請求項2に記載の方法。
- 前記ヒートスラグの露出された前記背面と前記成形コンパウンドの断面積との比は、1:1であり、前記成形コンパウンドの前記断面積は、前記ヒートスラグの前記上面と平行な平面で測定される、請求項2に記載の方法。
- 前記リードフレームを設ける工程は、2種類の厚さを有するリードフレームを設ける工程を含み、前記周縁構造は、第1の厚さを有し、前記ヒートスラグは、前記第1の厚さよりも大きい第2の厚さを有し、前記ヒートスラグは、前記周縁構造に取り付けられ、且つ前記周縁構造から前記ヒートスラグの背面に向かって下方に曲がる支持支柱によって物理的に支持される、請求項1に記載の方法。
- 前記ヒートスラグは、主本体部分を含み、前記リードフレームを設ける工程は、前記ヒートスラグ上の第1の位置で前記周縁構造に接続される支持構造に前記ヒートスラグを固定する工程を含み、前記第1の位置は、前記主本体部分の外側に配置される、請求項1に記載の方法。
- 前記ヒートスラグは、前記主本体部分の側部から離れて延在する突出部を含み、前記第1の位置は、前記突出部上に配置され、前記半導体ダイを封入する工程は、前記突出部の少なくとも一部が前記成形コンパウンドから露出されたままである間に前記主本体部分を前記成形コンパウンドで覆う工程を含み、前記突出部は、封入後に切り取られる、請求項6に記載の方法。
- 前記突出部は、前記主本体部分の第1の長い側部から離れて延在し、前記リードフレームは、前記周縁構造に取り付けられる第1のリード線が、前記突出部と平行な方向に前記第1の長い側部から離れて延在するように、前記ヒートスラグの前記支持構造への固定中に配置される、請求項7に記載の方法。
- 前記突出部は、前記主本体部分の第2のより短い側部から離れて延在し、前記リードフレームは、前記周縁構造に取り付けられる第1のリード線が、前記突出部に垂直な方向に前記主本体部分から離れて延在するように、前記ヒートスラグの前記支持構造への固定中に配置される、請求項7に記載の方法。
- 前記主本体部分は、より薄い部分とより厚い部分とを含み、前記第1の位置は、前記より薄い部分における前記ヒートスラグの前記背面上に配置され、前記半導体ダイを封入する工程は、前記より厚い部分における前記ヒートスラグの前記背面が前記成形コンパウンドから露出されたままである間に、前記より薄い部分における前記ヒートスラグの前記背面を前記成形コンパウンドで覆う工程を含む、請求項6に記載の方法。
- 前記リードフレームは、前記周縁構造から内側に延在する支持支柱が設けられ、前記方法は、
前記周縁構造から分離され、且つ垂直及び水平の支柱を含む別個の第1のリード線を設ける工程と、
前記第1のリード線を前記ヒートスラグと横方向に重なり合うように整列させる工程であって、前記第1のリード線は、前記ヒートスラグの前記上面から垂直に離間される、工程と、
前記第1のリード線の前記垂直及び水平の支柱を前記周縁構造に固定する工程と
を更に含む、請求項10に記載の方法。 - 前記リードフレームは、第2の部分に実質的に垂直な第1の部分で曲げられる第1のリード線を更に含み、前記第1のリード線は、前記ヒートスラグと整列され、それにより、封入後、前記第1の部分は、前記ヒートスラグから離れて前記ヒートスラグの前記上面と実質的に平行な方向に延在し、及び前記第2の部分は、前記ヒートスラグの側壁と実質的に平行な方向に延在し、前記側壁は、前記ヒートスラグの前記上面と前記背面との間に延在する、請求項1に記載の方法。
- 前記第1のリード線の前記第2の部分は、前記ヒートスラグの側壁と完全に重なり合う、請求項12に記載の方法。
- 半導体デバイスパッケージを形成する方法であって、
周縁構造を含むリードフレームと、上面及び下面を含むヒートスラグとを設ける工程であって、前記ヒートスラグは、前記周縁構造に取り付けられる、工程と、
半導体ダイを前記ヒートスラグに取り付ける工程と、
前記ヒートスラグが前記周縁構造に取り付けられている間に前記半導体ダイを成形コンパウンドで封入する工程と
を含み、
前記半導体ダイを封入する工程は、前記ヒートスラグの背面全体が前記成形コンパウンドから露出されている間に前記ヒートスラグ全体を前記成形コンパウンドで覆う工程を含むか、又は
前記ヒートスラグは、前記ヒートスラグの前記上面の外側にある第1の位置で前記周縁構造に取り付けられるか、又は
前記リードフレームは、第2の部分に実質的に垂直な第1の部分で曲げられる第1のリード線を含み、及び前記第1のリード線は、前記ヒートスラグと整列され、それにより、封入後、前記第1の部分は、前記ヒートスラグから離れて前記ヒートスラグの前記上面と実質的に平行な方向に延在し、及び前記第2の部分は、前記ヒートスラグの側壁と実質的に平行な方向に延在し、前記側壁は、前記ヒートスラグの前記上面と前記背面との間に延在する、方法。 - 前記半導体ダイを封入する工程は、前記ヒートスラグの前記背面全体が前記成形コンパウンドから露出されている間に前記ヒートスラグの前記上面全体を前記成形コンパウンドで覆う工程を含み、前記ヒートスラグの露出された前記背面と前記成形コンパウンドの断面積との比は、1:1であり、前記成形コンパウンドの前記断面積は、前記ヒートスラグの前記上面と平行な平面で測定される、請求項14に記載の方法。
- 前記ヒートスラグは、前記ヒートスラグの主本体部分又は前記ヒートスラグの前記背面から離れて延在する突出部で前記周縁構造を前記ヒートスラグに固定することによって前記周縁構造に取り付けられる、請求項14に記載の方法。
- パッケージ化された半導体デバイスであって、
上面と、前記上面の反対側の背面とを含むヒートスラグと、
前記ヒートスラグに取り付けられた半導体ダイと、
前記半導体ダイに電気的に接続される第1のリード線と、
前記半導体ダイを封入する成形体と
を含み、
前記第1のリード線は、前記成形体から外部に突出し、
前記ヒートスラグの前記上面には留め具がない、パッケージ化された半導体デバイス。 - 前記半導体デバイスパッケージの背面は、前記ヒートスラグの前記背面と完全に同一の広がりを有する、請求項17に記載のパッケージ化された半導体デバイス。
- 前記ヒートスラグには留め具が完全にない、請求項17に記載のパッケージ化された半導体デバイス。
- 前記ヒートスラグは、より薄い部分とより厚い部分とを含み、前記ヒートスラグは、前記背面に配置された留め具を含み、前記留め具は、前記成形体によって覆われ、前記ヒートスラグの前記背面は、前記より厚い部分で前記成形体から露出される、請求項17に記載のパッケージ化された半導体デバイス。
- 前記第1のリード線は、第2の部分に実質的に垂直な第1の部分で曲げられ、前記第1の部分は、前記成形体から外部に突出し、且つ前記ヒートスラグの前記上面と実質的に平行であり、及び前記第2の部分は、前記ヒートスラグの側壁と実質的に平行な方向に延在し、前記側壁は、前記ヒートスラグの前記上面と前記背面との間に延在する、請求項17に記載のパッケージ化された半導体デバイス。
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US15/412,108 | 2017-01-23 |
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US20180211907A1 (en) | 2018-07-26 |
US10083899B2 (en) | 2018-09-25 |
DE102018201013A1 (de) | 2018-07-26 |
JP6668393B2 (ja) | 2020-03-18 |
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