JP7232824B2 - プラズマ耐性が強化されたボンディング材及び関連付けられた方法 - Google Patents
プラズマ耐性が強化されたボンディング材及び関連付けられた方法 Download PDFInfo
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- JP7232824B2 JP7232824B2 JP2020515134A JP2020515134A JP7232824B2 JP 7232824 B2 JP7232824 B2 JP 7232824B2 JP 2020515134 A JP2020515134 A JP 2020515134A JP 2020515134 A JP2020515134 A JP 2020515134A JP 7232824 B2 JP7232824 B2 JP 7232824B2
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- Chemical & Material Sciences (AREA)
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- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Drying Of Semiconductors (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Dicing (AREA)
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- Wire Bonding (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Description
本出願は、参照により全内容が本明細書に組み込まれている、2017年9月15日に出願された米国特許仮出願第62/559,008号の優先権を主張するものである。
Claims (19)
- 半導体コンポーネントとともに使用されるボンディングシートであって、
第1の半導体コンポーネントに貼り付けられるように構成された第1の面と、
第2の半導体コンポーネントに貼り付けられるように構成された第2の面と、
前記ボンディングシートの第1の領域に配置された耐エッチング材であって、
セラミック材料、
酸化イットリウム(Y2O3)、フッ化イットリウム(YF3)、及びオキシフッ化イットリウム(YOF)の少なくとも1つでコーティングされた要素、
フルオロエラストマ(FKM)、
又は、これらの組み合わせを含む前記耐エッチング材と、
前記ボンディングシートの第2の領域に配置されたボンディング材であって、シリコンベースのポリマーを含む前記ボンディング材と、
前記第2の領域の前記ボンディング材に埋め込まれた複数の熱伝導要素であって、プラズマプロセスに曝されたときに分解してガスになるように構成されている有機充填材を含む前記複数の熱伝導要素と、
を含み、
個々の第1の領域が、個々の第2の領域と明確に分けられていて、前記個々の第2の領域に近接して配置されている、
ボンディングシート。 - 前記ボンディング材は、ポリジメチルシロキサン(PDMS)及びフルオロエラストマ(FKM)の少なくとも一方を含み、
前記耐エッチング材はポリエーテルエーテルケトン(PEEK)を含む、
請求項1に記載のボンディングシート。 - 前記ボンディングシートは、
厚さが約200ミクロン未満であり、
前記ボンディングシートの長さ全体の平坦度が約20ミクロン未満であり、
伸びの仕様が約20%未満である、
請求項1に記載のボンディングシート。 - 更に、
熱伝導率が約0.3W/m・K未満であり、
前記ボンディングシートの表面全体にわたる温度差が、約-60℃から約180℃の温度範囲において約2℃以下であるような熱均一性を有する、
請求項1に記載のボンディングシート。 - 前記ボンディング材はポリジメチルシロキサン(PDMS)を含む、請求項1に記載のボンディングシート。
- 前記ボンディング材はフルオロエラストマ(FKM)を含む、請求項1に記載のボンディングシート。
- 前記第1の領域は、前記ボンディングシート中の、前記耐エッチング材が充填された開口部に対応し、前記開口部の少なくとも一部の直径が互いに異なり、前記開口部の少なくとも一部は、前記第1の半導体コンポーネント、前記第2の半導体コンポーネント、又はその両方の上にある形状物と一直線に並ぶように位置決めされる、請求項1に記載のボンディングシート。
- 前記熱伝導要素は、前記ボンディング材中に懸濁している粒子を含み、前記粒子は、シリカ粒子及び窒化ホウ素(BN)の少なくとも一方を含む、請求項1に記載のボンディングシート。
- 前記熱伝導要素は、前記ボンディングシートの前記ボンディング材の少なくとも約20%を含む、請求項8に記載のボンディングシート。
- 前記耐エッチング材の前記要素はポリエーテルエーテルケトン(PEEK)を含む、請求項1に記載のボンディングシート。
- 前記耐エッチング材は、酸化イットリウム(Y2O3)、フッ化イットリウム(YF3)、及びオキシフッ化イットリウム(YOF)のうちの少なくとも1つを含む耐プラズマコーティングを含む、請求項10に記載のボンディングシート。
- 前記第1及び第2の領域のそれぞれは、前記ボンディングシート全体を貫通して前記第1の面から前記第2の面に延びており、前記ボンディングシートの最も外側の表面は、前記耐エッチング材と前記ボンディング材とが交互に並ぶ、請求項1に記載のボンディングシート。
- 1つ以上の接着促進剤を更に含む、請求項1に記載のボンディングシート。
- 1つ以上の半導体コンポーネントを互いに対して貼り付けるデバイスであって、
ボンディングシートであって、
第1の半導体コンポーネントに貼り付けられるように構成された第1の面と、
前記第1の面の反対側にあって、第2の半導体コンポーネントに貼り付けられるように構成された第2の面と、
前記ボンディングシートのほぼ厚さ全体にわたるボンディング材と、
前記ボンディングシートを貫通して前記第1の面から前記第2の面に延びる開口部内に配置された耐エッチング材であって、
ポリエーテルエーテルケトン(PEEK)、
酸化イットリウム(Y2O3)、フッ化イットリウム(YF3)、及びオキシフッ化イットリウム(YOF)でコーティングされた要素、
又は、パーフルオロエラストマ(FFKM)を含む前記耐エッチング材と、
前記ボンディング材に埋め込まれた複数の熱伝導要素であって、プラズマプロセスに曝されたときに分解してガスになるように構成されている熱伝導要素と、
を含む前記ボンディングシート
を含むデバイス。 - 前記耐エッチング材は、前記ボンディングシートの第1の領域に配置されており、
前記ボンディング材は、前記ボンディングシートの、前記第1の領域とは別の第2の領域に配置されている、
請求項14に記載のデバイス。 - 前記ボンディング材は、ポリジメチルシロキサン(PDMS)及びフルオロエラストマ(FKM)の少なくとも一方を含み、
前記耐エッチング材はポリエーテルエーテルケトン(PEEK)を含み、
前記熱伝導要素は有機充填材を含む、
請求項14に記載のデバイス。 - 前記ボンディング材はパーフルオロエラストマ(FFKM)を含む、請求項14に記載のデバイス。
- 厚さが約200ミクロン未満であり、
熱伝導率が約0.3W/m・K未満であり、
前記ボンディングシートの長さ全体の平坦度が約20ミクロン未満であり、
伸びの仕様が約20%未満である、
請求項14に記載のデバイス。 - ボンディングシートの製造方法であって、
ボンディング材を含むボンディングシートに複数の開口部を形成するステップであって、前記開口部は前記ボンディングシートを少なくとも部分的に貫通して延び、前記ボンディング材は前記ボンディング材中に複数の熱伝導要素を含む、前記形成するステップと、
前記ボンディングシートの前記開口部に耐エッチング材を充填するステップであって、前記耐エッチング材はポリエーテルエーテルケトン(PEEK)又はパーフルオロエラストマ(FFKM)の少なくとも一方を含む、前記充填するステップと、
を含む方法。
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