JP7353770B2 - バックメタルを備えた半導体装置及び関連する方法 - Google Patents
バックメタルを備えた半導体装置及び関連する方法 Download PDFInfo
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- JP7353770B2 JP7353770B2 JP2019029368A JP2019029368A JP7353770B2 JP 7353770 B2 JP7353770 B2 JP 7353770B2 JP 2019029368 A JP2019029368 A JP 2019029368A JP 2019029368 A JP2019029368 A JP 2019029368A JP 7353770 B2 JP7353770 B2 JP 7353770B2
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- metal layer
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- General Physics & Mathematics (AREA)
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- Ceramic Engineering (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
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Description
Claims (5)
- 半導体装置であって、
第1の側及び第2の側を含むダイと、
前記ダイの前記第1の側に結合されたコンタクトパッドと、
前記ダイの前記第2の側に結合された金属層と、
前記金属層に直接結合されたモールド成形材料と、
を備え、
前記モールド成形材料の外側の側壁が段差を備え、
前記ダイの厚さが30マイクロメートル未満であり、
前記コンタクトパッドが、前記ダイの上に結合されたパッシベーション層を介して露出される、半導体装置。 - 半導体装置であって、
第1の側及び第2の側を含むダイと、
前記ダイの前記第1の側に結合されたコンタクトパッドと、
前記ダイの前記第2の側に結合された金属層と、
前記ダイの前記第2の側に面する前記金属層の第2の表面の反対側にある前記金属層の第1の表面全体に直接結合されたモールド成形材料と、
を備え、
前記モールド成形材料の外側の側壁が段差を備える、半導体装置。 - 半導体装置を形成する方法であって、
ウエハーの第1の側に結合された複数のコンタクトパッドを形成することと、
前記ウエハーをバックグラインドすることによって、前記ウエハーの前記第1の側の反対側にある前記ウエハーの第2の側に凹部を形成することと、
前記凹部内に金属層を形成することと、
前記凹部内の前記金属層をパターン化することと、
前記凹部内の前記金属層にモールド成形材料を結合することと、
前記ウエハーの一部を、前記モールド成形材料の一部によって形成された平面と面一になるまで除去することと、
前記ウエハーを複数の半導体装置に個片化することと、
を含む、方法。 - 前記凹部を形成することによって前記ウエハーを薄化することを更に含み、前記ウエハーの一部が30マイクロメートル未満に薄化される、請求項3に記載の方法。
- 半導体装置を形成する方法であって、
ウエハーの第1の側に結合された複数のコンタクトパッドを形成することと、
前記第1の側の反対側にある前記ウエハーの第2の側に、前記ウエハーの前記第2の側をバックグラインドすることによって凹部を形成することと、
前記凹部内に金属層を形成することと、
前記金属層内に複数の開口部を形成することと、
前記金属層の前記複数の開口部内にモールド成形材料を形成することと、
前記ウエハーの一部を、前記モールド成形材料の一部によって形成された平面と面一になるまで除去することと、
前記ウエハーを複数の半導体装置に個片化することと、
を含む、方法。
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US10825725B2 (en) | 2019-01-25 | 2020-11-03 | Semiconductor Components Industries, Llc | Backside metal patterning die singulation systems and related methods |
US20210013176A1 (en) * | 2019-07-09 | 2021-01-14 | Semiconductor Components Industries, Llc | Pre-stacking mechanical strength enhancement of power device structures |
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