JP7343080B2 - 半導体装置を製造する方法、仮固定材、及び、仮固定材の半導体装置を製造するための応用 - Google Patents
半導体装置を製造する方法、仮固定材、及び、仮固定材の半導体装置を製造するための応用 Download PDFInfo
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Description
[1]
支持体、及び該支持体上に設けられた仮固定材層を備えるキャリア基板を準備する工程と、
前記仮固定材層上に、チップ本体部、及び該チップ本体部の外表面上に設けられた電極パッドを有する半導体チップを配置する工程と、
前記半導体チップを封止する封止層を形成することにより、前記半導体チップ及び前記封止層を含む封止構造体を前記キャリア基板上に形成する工程であって、前記封止構造体が、前記仮固定材層と接する接続面を有し、該接続面に前記半導体チップが露出し、前記接続面において前記半導体チップと前記封止層とで形成される段差が5.0μm以下である、工程と、
前記封止構造体から前記キャリア基板を分離する工程と、
前記封止構造体の前記接続面上に、前記電極パッドに接続された多層の配線と該配線の間を埋める絶縁層とを含む再配線層を設ける工程と、
をこの順で含む、
半導体装置を製造する方法。
[2]
前記仮固定材層の厚さが50μm以下である、[1]に記載の方法。
[3]
前記仮固定材層の厚さが10μmを超えて50μm以下である、[1]に記載の方法。
[4]
前記支持体の23℃における引張弾性率が100GPa以上である、[1]~
[3]のいずれか一項に記載の方法。
[5]
前記支持体がガラス板、金属板、シリコンウェハ又はセラミックス板である、[1]~[4]のいずれか一項に記載の方法。
[6]
前記仮固定材層の厚さ、及び前記支持体の23℃における率が、前記段差が5.0μm以下となる範囲で選択される、[1]に記載の方法。
[7]
前記仮固定材層の厚さが50μm以下の範囲内で選択される、[6]に記載の方法。
[8]
前記仮固定材層の厚さが10μmを超えて50μm以下の範囲で選択される、[6]に記載の方法。
[9]
前記支持体の23℃における引張弾性率が100GPa以上の範囲内で選択される、[6]~[8]のいずれか一項に記載の方法。
[10]
前記支持体がガラス板、金属板、シリコンウェハ及びセラミックス板から選択される、[6]~[9]のいずれか一項に記載の方法。
[11]
前記絶縁層が、前記配線と前記封止構造体との間に介在する中間層を有し、該中間層の厚さの最大値が15μm以下である、[1]~[10]のいずれか一項に記載の方法。
[12]
前記封止層が、硬化性樹脂及び無機充填剤を含有する顆粒状の封止材を金型内で加熱及び加圧することを含むコンプレッションモールディングによって形成される、[1]~[11]のいずれか一項に記載の方法。
[13]
前記封止層が、硬化性樹脂及び無機充填剤を含有するフィルム状の封止材を前記キャリア基板上に積層することを含む方法によって形成される、[1]~[11]のいずれか一項に記載の方法。
[14]
50μm以下の厚さを有し、[1]~[13]のいずれか一項に記載の方法において仮固定材層として用いられる、フィルム状の半導体装置製造用仮固定材。
[15]
10μmを超えて50μm以下の厚さを有し、[1]~[13]のいずれか一項に記載の方法において仮固定材層として用いられる、フィルム状の半導体装置製造用仮固定材。
[16]
50μm以下の厚さを有するフィルム状の仮固定材の、[1]~[13]のいずれか一項に記載の方法によって半導体装置を製造するための応用。
[17]
10μmを超えて50μm以下の厚さを有するフィルム状の仮固定材の、[1]~[13]のいずれか一項に記載の方法によって半導体装置を製造するための応用。
30μm、60μm、120μm又は150μmの厚さを有するフィルム状の仮固定材を準備した。厚さ30μm、60μm又は120μmの仮固定材は単層のフィルムであり、厚さ150μmの仮固定材は2層の樹脂層からなる積層フィルムであった。
表1に示される厚さ及びヤング率(引張弾性率)を有する平板状の支持体を準備した。表1に示されるヤング率は、23℃の環境下で測定された引張弾性率である。
320mm×320mmの正方形の主面を有する支持体上に、仮固定材を貼り合わせて、支持体及び仮固定材層からなる積層体であるキャリア基板を準備した。各仮固定材層上に、150μmの厚さを有する3種の半導体チップを、それぞれ25個ずつ配置した。半導体チップを封止する封止層を、顆粒状又はフィルム状の封止材を用いて形成した。顆粒状の封止材を用いる場合、半導体チップをキャリア基板とともにコンプレッションモールディング装置の金型内に配置し、金型内に封止材を入れ、コンプレッションモールディングにより厚さ200μmの封止層を形成した。フィルム状の封止材を用いる場合、キャリア基板の半導体チップ側の面上に封止材を積層し、積層された封止材を加熱することにより厚さ200μmの封止層を形成した。封止層が形成された後、キャリア基板を封止構造体から剥離した。
キャリア基板の剥離後、半導体チップが露出した接続面における20箇所において、半導体チップと封止層とで形成された段差を接触式表面粗さ計によって測定した。
Claims (12)
- 支持体、及び該支持体上に設けられた仮固定材層を備えるキャリア基板を準備する工程と、
前記仮固定材層上に、チップ本体部、及び該チップ本体部の外表面上に設けられた電極パッドを有する半導体チップを配置する工程と、
前記半導体チップを封止する封止層を形成することにより、前記半導体チップ及び前記封止層を含む封止構造体を前記キャリア基板上に形成する工程であって、前記封止構造体が、前記仮固定材層と接する接続面を有し、該接続面に前記半導体チップが露出し、前記接続面において前記半導体チップと前記封止層とで形成される段差が5.0μm以下である、工程と、
前記封止構造体から前記キャリア基板を分離する工程と、
前記封止構造体の前記接続面上に、前記電極パッドに接続された多層の配線と該配線の間を埋める絶縁層とを含む再配線層を設ける工程と、
をこの順で含み、
前記仮固定材層の厚さ、及び前記支持体の23℃における引張弾性率が、前記段差が5.0μm以下となる範囲で選択される、
半導体装置を製造する方法。 - 前記仮固定材層の厚さが50μm以下である、請求項1に記載の方法。
- 前記仮固定材層の厚さが10μmを超えて50μm以下である、請求項1に記載の方法。
- 前記支持体の23℃における引張弾性率が100GPa以上である、請求項1に記載の方法。
- 前記支持体がガラス板、金属板、シリコンウェハ又はセラミックス板である、請求項1に記載の方法。
- 前記仮固定材層の厚さが50μm以下の範囲内で選択される、請求項1に記載の方法。
- 前記仮固定材層の厚さが10μmを超えて50μm以下の範囲で選択される、請求項5に記載の方法。
- 前記支持体の23℃における引張弾性率が100GPa以上の範囲内で選択される、請求項1に記載の方法。
- 前記支持体がガラス板、金属板、シリコンウェハ及びセラミックス板から選択される、請求項1に記載の方法。
- 前記絶縁層が、前記配線と前記封止構造体との間に介在する中間層を有し、該中間層の厚さの最大値が15μm以下である、請求項1~9のいずれか一項に記載の方法。
- 前記封止層が、硬化性樹脂及び無機充填剤を含有する顆粒状の封止材を金型内で加熱及び加圧することを含むコンプレッションモールディングによって形成される、請求項1~9のいずれか一項に記載の方法。
- 前記封止層が、硬化性樹脂及び無機充填剤を含有するフィルム状の封止材を前記キャリア基板上に積層することを含む方法によって形成される、請求項1~9のいずれか一項に記載の方法。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023140075A JP2023155419A (ja) | 2021-09-03 | 2023-08-30 | 半導体装置を製造する方法、仮固定材、及び、仮固定材の半導体装置を製造するための応用 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2021/032475 WO2023032163A1 (ja) | 2021-09-03 | 2021-09-03 | 半導体装置を製造する方法、仮固定材、及び、仮固定材の半導体装置を製造するための応用 |
| JPPCT/JP2021/032475 | 2021-09-03 | ||
| PCT/JP2022/033190 WO2023033161A1 (ja) | 2021-09-03 | 2022-09-02 | 半導体装置を製造する方法、仮固定材、及び、仮固定材の半導体装置を製造するための応用 |
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| JP2023140075A Pending JP2023155419A (ja) | 2021-09-03 | 2023-08-30 | 半導体装置を製造する方法、仮固定材、及び、仮固定材の半導体装置を製造するための応用 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018181767A1 (ja) | 2017-03-31 | 2018-10-04 | リンテック株式会社 | 半導体装置の製造方法及び粘着シート |
| WO2018216621A1 (ja) | 2017-05-22 | 2018-11-29 | 日立化成株式会社 | 半導体装置の製造方法及びエキスパンドテープ |
| JP2020128338A (ja) | 2014-09-03 | 2020-08-27 | 日本電気硝子株式会社 | 支持ガラス基板及びこれを用いた積層体 |
| WO2020184199A1 (ja) | 2019-03-14 | 2020-09-17 | 三井化学東セロ株式会社 | 電子装置の製造方法 |
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| JP5870627B2 (ja) | 2011-11-01 | 2016-03-01 | 富士通株式会社 | 半導体装置の製造方法 |
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- 2022-09-02 US US18/687,298 patent/US20240395568A1/en active Pending
- 2022-09-02 CN CN202280066636.9A patent/CN118056271A/zh active Pending
- 2022-09-02 KR KR1020247011081A patent/KR20240055056A/ko active Pending
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020128338A (ja) | 2014-09-03 | 2020-08-27 | 日本電気硝子株式会社 | 支持ガラス基板及びこれを用いた積層体 |
| WO2018181767A1 (ja) | 2017-03-31 | 2018-10-04 | リンテック株式会社 | 半導体装置の製造方法及び粘着シート |
| WO2018216621A1 (ja) | 2017-05-22 | 2018-11-29 | 日立化成株式会社 | 半導体装置の製造方法及びエキスパンドテープ |
| WO2020184199A1 (ja) | 2019-03-14 | 2020-09-17 | 三井化学東セロ株式会社 | 電子装置の製造方法 |
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| Publication number | Publication date |
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| US20240395568A1 (en) | 2024-11-28 |
| WO2023033161A1 (ja) | 2023-03-09 |
| JP2023155419A (ja) | 2023-10-20 |
| JPWO2023033161A1 (ja) | 2023-03-09 |
| KR20240055056A (ko) | 2024-04-26 |
| CN118056271A (zh) | 2024-05-17 |
| WO2023032163A1 (ja) | 2023-03-09 |
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