JP7462620B2 - 半導体パッケージ、半導体パッケージの製造方法、および、電子装置 - Google Patents
半導体パッケージ、半導体パッケージの製造方法、および、電子装置 Download PDFInfo
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- JP7462620B2 JP7462620B2 JP2021519271A JP2021519271A JP7462620B2 JP 7462620 B2 JP7462620 B2 JP 7462620B2 JP 2021519271 A JP2021519271 A JP 2021519271A JP 2021519271 A JP2021519271 A JP 2021519271A JP 7462620 B2 JP7462620 B2 JP 7462620B2
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- H01L2924/181—Encapsulation
- H01L2924/186—Material
Description
1.第1の実施の形態(半導体チップに支持体を形成する例)
2.第2の実施の形態(半導体チップに支持体を形成し、支持体を電極に接続する例)
3.第3の実施の形態(半導体チップに支持体を形成し、支持体を凹部に嵌合する例)
4.移動体への応用例
[電子装置の構成例]
図1は、本技術の第1の実施の形態における電子装置100の一構成例を示すブロック図である。この電子装置100は、画像データを撮像するための装置であり、光学部110、固体撮像素子120およびDSP(Digital Signal Processing)回路130を備える。さらに電子装置100は、表示部140、操作部150、バス160、フレームメモリ170、記憶部180および電源部190を備える。電子装置100としては、例えば、デジタルスチルカメラなどのデジタルカメラの他、スマートフォンやパーソナルコンピュータ、車載カメラ等が想定される。
図2は、本技術の第1の実施の形態における半導体パッケージ200の断面図および上面図の一例である。同図におけるaは、半導体パッケージ200の断面図の一例であり、同図におけるbは、半導体パッケージ200の上面図の一例である。
図5は、本技術の第1の実施の形態におけるカバーガラス210の接着までの工程を説明するための図である。同図におけるaは、ワイヤボンディングの工程を説明するための図である。同図におけるbは、支持体251の設置の工程を説明するための図である。同図におけるcは、接着剤241の塗布の工程を説明するための図である。同図におけるdは、カバーガラス210の接着の工程を説明するための図である。
上述の第1の実施の形態では、紫外線硬化性樹脂を接着剤241として用いていたが、紫外線硬化性樹脂は、一般に光の透過率や反射率が高い。このため、紫外線硬化性樹脂を透過した光や、紫外線硬化樹脂で反射した光が固体撮像素子120に入射され、画像データにフレアやゴーストが生じるおそれがある。この第1の実施の形態の第1の変形例の半導体パッケージ200は、接着剤として熱硬化性樹脂を用いる点において第1の実施の形態と異なる。
上述の第1の実施の形態では、複数段のバンプを積層することにより支持体251を形成していたが、バンプの段数が多くなるほど工数が増大するおそれがある。この第1の実施の形態の第2の変形例の半導体パッケージ200は、半田ボールを支持体として配置する点において第1の実施の形態と異なる。
上述の第1の実施の形態では、複数段のバンプを積層することにより支持体251を形成していたが、バンプの段数の調整により高さを高精度で制御することは困難である。この第1の実施の形態の第3の変形例の半導体パッケージ200は、銅ポストを支持体として配置する点において第1の実施の形態と異なる。
上述の第1の実施の形態では、複数段のバンプを積層することにより支持体251を形成していたが、バンプの段数の調整により高さを高精度で制御することは困難である。この第1の実施の形態の第4の変形例の半導体パッケージ200は、ドライフィルムを支持体として配置する点において第1の実施の形態と異なる。
上述の第1の実施の形態では、支持体251をカバーガラス210の下面に直接、接続していたが、半導体チップ220の発熱量が多い場合、その熱を十分に放熱することができないおそれがある。この第2の実施の形態の半導体パッケージ200は、カバーガラス210の下面に電極を設け、その電極に支持体251を接続することにより、放熱性能を向上させた点において第1の実施の形態と異なる。
上述の第1の実施の形態では、支持体251をカバーガラス210の下面に直接、接続していたが、硬化前の接着剤241は液状であるため、カバーガラス210のX方向やY方向における位置が規定の位置からずれるおそれがある。この第3の実施の形態の半導体パッケージ200は、カバーガラス210に凹部212を形成し、その凹部212に支持体251を嵌合させて位置ずれを防止する点において第1の実施の形態と異なる。
本開示に係る技術(本技術)は、様々な製品へ応用することができる。例えば、本開示に係る技術は、自動車、電気自動車、ハイブリッド電気自動車、自動二輪車、自転車、パーソナルモビリティ、飛行機、ドローン、船舶、ロボット等のいずれかの種類の移動体に搭載される装置として実現されてもよい。
(1)基板と、
前記基板に積層された半導体チップと、
前記半導体チップのチップ平面に設けられて前記基板にワイヤを介して接続されたバンプと、
保護材と、
前記チップ平面に設けられて前記チップ平面からの高さが前記バンプより高い位置に前記保護材を支持する支持体と
を具備する半導体パッケージ。
(2)前記保護材および前記半導体チップのそれぞれには電極が設けられ、
前記支持体は、前記電極に接続される
前記(1)記載の半導体パッケージ。
(3)前記保護材には凹部が設けられ、
前記支持体の一端は、前記凹部と嵌合する
前記(1)記載の半導体パッケージ。
(4)前記保護材を前記半導体チップに接着する接着剤をさらに具備する
前記(1)から(3)のいずれかに記載の半導体パッケージ。
(5)前記接着剤は、紫外線硬化性樹脂である
前記(4)記載の半導体パッケージ。
(6)前記接着剤は、熱硬化性樹脂である
前記(4)記載の半導体パッケージ。
(7)前記支持体は、前記バンプと異なる複数のバンプを積層した積層バンプである
前記(1)から(6)のいずれかに記載の半導体パッケージ。
(8)前記支持体は、半田ボールである
前記(1)から(6)のいずれかに記載の半導体パッケージ。
(9)前記支持体は、銅ポストである
前記(1)から(6)のいずれかに記載の半導体パッケージ。
(10)前記支持体は、ドライフィルムである
前記(1)から(6)のいずれかに記載の半導体パッケージ。
(11)前記保護材は、カバーガラスであり、
画像データを撮像する固体撮像素子が前記チップ平面にさらに設けられる
前記(1)から(10)のいずれかに記載の半導体パッケージ。
(12)基板に積層された半導体チップのチップ平面に設けられたバンプと前記基板とをワイヤにより接続する接続手順と、
前記チップ平面からの高さが前記バンプより高い位置に保護材を支持する支持体を前記チップ平面に形成する支持体配置手順と、
前記保護材を配置する保護材配置手順と
を具備する半導体パッケージの製造方法。
(13)前記支持体が形成された後に前記チップ平面において半導体集積回路の周囲に紫外線硬化性樹脂を塗布する塗布手順をさらに具備し、
前記支持体配置手順において、前記紫外線硬化性樹脂が塗布された後に前記保護材を配置して前記紫外線硬化性樹脂を硬化させる
前記(12)記載の半導体パッケージの製造方法。
(14)前記支持体が配置された後に前記チップ平面において半導体集積回路の周囲に熱硬化性樹脂を塗布する塗布手順をさらに具備する
前記(12)記載の半導体パッケージの製造方法。
(15)基板と、
前記基板に積層された半導体チップと、
前記半導体チップのチップ平面に設けられて前記基板にワイヤを介して接続されたバンプと、
保護材と、
前記チップ平面に設けられて前記チップ平面からの高さが前記バンプより高い位置に前記保護材を支持する支持体と、
前記半導体集積回路により生成された信号を処理する信号処理回路と
を具備する電子装置。
110 光学部
120 固体撮像素子
130 DSP(Digital Signal Processing)回路
140 表示部
150 操作部
160 バス
170 フレームメモリ
180 記録部
190 電源部
200 半導体パッケージ
210 カバーガラス
211、223 電極
212 凹部
220 半導体チップ
221、231 ランド
222、232 バンプ
230 回路基板
233 半田ボール
241、243 接着剤
242 封止樹脂
251~254 支持体
12031 撮像部
Claims (15)
- 基板と、
前記基板に積層された半導体チップと、
前記半導体チップのチップ平面に設けられて前記基板にワイヤを介して接続されたバンプと、
保護材と、
前記チップ平面に設けられて前記チップ平面からの高さが前記バンプより高い位置に前記保護材を支持する支持体と、
前記チップ平面に設けられた半導体集積回路と、
前記半導体集積回路の周囲に沿って前記チップ平面に配列された複数のランドと
を具備し、
前記複数のランドの一部に前記バンプが設けられ、残りに前記支持体が設けられる
半導体パッケージ。 - 前記保護材および前記半導体チップのそれぞれには電極が設けられ、
前記支持体は、前記電極に接続される
請求項1記載の半導体パッケージ。 - 前記保護材を前記半導体チップに接着する接着剤をさらに具備する
請求項1記載の半導体パッケージ。 - 前記接着剤は、紫外線硬化性樹脂である
請求項3記載の半導体パッケージ。 - 前記接着剤は、熱硬化性樹脂である
請求項3記載の半導体パッケージ。 - 前記支持体は、前記バンプと異なる複数のバンプを積層した積層バンプである
請求項1記載の半導体パッケージ。 - 前記支持体は、半田ボールである
請求項1記載の半導体パッケージ。 - 前記支持体は、銅ポストである
請求項1記載の半導体パッケージ。 - 前記支持体は、ドライフィルムである
請求項1記載の半導体パッケージ。 - 前記保護材は、カバーガラスであり、
前記半導体集積回路は、画像データを撮像する固体撮像素子である
請求項1記載の半導体パッケージ。 - 基板と、
前記基板に積層された半導体チップと、
前記半導体チップのチップ平面に設けられて前記基板にワイヤを介して接続されたバンプと、
保護材と、
前記チップ平面に設けられて前記チップ平面からの高さが前記バンプより高い位置に前記保護材を支持する支持体と
を具備し、
前記保護材には凹部が設けられ、
前記支持体の一端は、前記凹部と嵌合する
半導体パッケージ。 - 基板に積層された半導体チップのチップ平面に設けられたバンプと前記基板とをワイヤにより接続する接続手順と、
前記チップ平面からの高さが前記バンプより高い位置に保護材を支持する支持体を前記チップ平面に形成する支持体配置手順と、
前記保護材を配置する保護材配置手順と
を具備し、
前記チップ平面に設けられた半導体集積領域の周囲に沿って前記チップ平面に配列された複数のランドの一部に前記バンプが設けられ、残りに前記支持体が設けられる
半導体パッケージの製造方法。 - 前記支持体が形成された後に前記チップ平面において半導体集積回路の周囲に紫外線硬化性樹脂を塗布する塗布手順をさらに具備し、
前記支持体配置手順において、前記紫外線硬化性樹脂が塗布された後に前記保護材を配置して前記紫外線硬化性樹脂を硬化させる
請求項12記載の半導体パッケージの製造方法。 - 前記支持体が配置された後に前記チップ平面において半導体集積回路の周囲に熱硬化性樹脂を塗布する塗布手順をさらに具備する
請求項12記載の半導体パッケージの製造方法。 - 基板と、
前記基板に積層された半導体チップと、
前記半導体チップのチップ平面に設けられて前記基板にワイヤを介して接続されたバンプと、
保護材と、
前記チップ平面に設けられて前記チップ平面からの高さが前記バンプより高い位置に前記保護材を支持する支持体と、
前記チップ平面に設けられた半導体集積回路と、
前記半導体集積回路の周囲に沿って前記チップ平面に配列された複数のランドと、
前記半導体集積回路により生成された信号を処理する信号処理回路と
を具備し、
前記複数のランドの一部に前記バンプが設けられ、残りに前記支持体が設けられる
電子装置。
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US20220254824A1 (en) | 2022-08-11 |
CN113678234A (zh) | 2021-11-19 |
WO2020230404A1 (ja) | 2020-11-19 |
EP3971947A4 (en) | 2022-07-13 |
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