JP2017520109A - 集積回路デバイスの金属間の選択的な拡散障壁 - Google Patents
集積回路デバイスの金属間の選択的な拡散障壁 Download PDFInfo
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Abstract
Description
Claims (24)
- 誘電材料と、
前記誘電材料内に配置される、第1の金属を含む第1の相互接続構造と、
前記誘電材料内に配置され、前記第1の相互接続構造と電気的に連結される、第2の金属を含む第2の相互接続構造と、
前記第1の相互接続構造と前記第2の相互接続構造との間の接合部に配置される拡散障壁と、を備え、
前記第1の金属および前記第2の金属は異なる化学組成を有し、前記拡散障壁の材料および前記第2の金属の材料は異なる化学組成を有し、前記拡散障壁の材料は前記第2の金属と前記誘電材料との間に直接配置されない、装置。 - 前記第1の金属は銅(Cu)を含み、
前記第2の金属はコバルト(Co)を含む、請求項1に記載の装置。 - 前記拡散障壁は金属、金属シリサイドまたは金属窒化物を含む、請求項1に記載の装置。
- 前記拡散障壁は、ニッケル(Ni)、タングステン(W)、モリブデン(Mo)、鉄(Fe)、コバルト(Co)、マンガン(Mn)またはジルコニウム(Zr)を含む、請求項3に記載の装置。
- 前記第1の相互接続構造はトレンチ構造を含み、
前記第2の相互接続構造はビア構造またはデュアルダマシン構造を含む、請求項1から4のいずれか一項に記載の装置。 - 前記第1の金属と前記誘電材料との間に配置される追加の拡散障壁をさらに備え、
前記追加の拡散障壁の材料は前記拡散障壁の前記材料とは異なる化学組成を有する、請求項1から4のいずれか一項に記載の装置。 - 前記第2の相互接続構造に配置され、前記拡散障壁に連結されるエッチングストップ膜をさらに備える、請求項1から4のいずれか一項に記載の装置。
- 前記拡散障壁は複数のレイヤを含む、請求項1から4のいずれか一項に記載の装置。
- 前記拡散障壁は、ホウ素(B)、シリコン(Si)、ゲルマニウム(Ge)、錫(Sn)、窒素(N)、リン(P)、硫黄(S)、セレン(Se)、テルル(Te)、タングステン(W)、ニッケル(Ni)、レニウム(Re)、錫(Sn)、亜鉛(Zn)、マンガン(Mn)、ロジウム(Rh)、ルテニウム(Ru)、クロム(Cr)、プラチナ(Pt)、オスミウム(OS)、またはイリジウム(Ir)のうちの1または複数がドープされた金属を含む、請求項1から4のいずれか一項に記載の装置。
- 第1の金属を含む第1の相互接続構造を形成する段階と、
前記第1の相互接続構造上に拡散障壁を形成する段階と、
前記拡散障壁上に第2の金属を含む第2の相互接続構造を形成する段階と、を備え、
前記拡散障壁は前記第1の相互接続構造と前記第2の相互接続構造との間の接合部に配置され、前記第1の金属および前記第2の金属は異なる化学組成を有し、前記拡散障壁の材料および前記第2の金属の材料は異なる化学組成を有し、前記第1の相互接続構造および前記第2の相互接続構造は誘電材料内に配置され、前記拡散障壁の材料は前記第2の金属と前記誘電材料との間に直接配置されない、方法。 - 前記第1の相互接続構造を形成する段階は、前記第1の金属を堆積する段階を含み、
前記第2の相互接続構造を形成する段階は、前記第2の金属を堆積する段階を含み、
前記第1の金属は銅(Cu)を含み、
前記第2の金属はコバルト(Co)を含む、請求項10に記載の方法。 - 前記拡散障壁を形成する段階は、前記第1の相互接続構造の前記第1の金属上に第3の金属を選択的に堆積する段階を含む、請求項10に記載の方法。
- 前記拡散障壁を形成する段階は、ニッケル(Ni)タングステン(W)、モリブデン(Mo)、鉄(Fe)、コバルト(Co)、またはマンガン(Mn)を選択的に堆積する段階を含む、請求項12に記載の方法。
- 前記拡散障壁を形成する段階は、前記第3の金属に、ホウ素(B)、シリコン(Si)、ゲルマニウム(Ge)、錫(Sn)、窒素(N)、リン(P)、硫黄(S)、セレン(Se)、テルル(Te)、タングステン(W)、ニッケル(Ni)、レニウム(Re)、錫(Sn)、亜鉛(Zn)、マンガン(Mn)、ロジウム(Rh)、ルテニウム(Ru)、クロム(Cr)、プラチナ(Pt)、オスミウム(OS)、またはイリジウム(Ir)のうちの1または複数をドープする段階を含む、請求項12に記載の方法。
- 前記第3の金属を選択的に堆積する段階は、原子層堆積(ALD)または化学的気相成長(CVD)によって行われる、請求項12に記載の方法。
- 前記第3の金属を選択的に堆積する段階は、ホモレプティックΝ,Ν'‐ジアルキル‐ジアザブタジエン金属前駆体を使用する段階を含む、請求項12に記載の方法。
- 前記第1の相互接続構造を形成する段階はトレンチ構造を形成する段階を含み、
前記第2の相互接続構造を形成する段階はビア構造を形成する段階を含む、請求項10から16のいずれか一項に記載の方法。 - 前記拡散障壁を形成する段階の前に、追加の拡散障壁を形成する段階をさらに備え、
前記追加の拡散障壁は前記第2の金属と前記誘電材料との間に配置され、前記追加の拡散障壁の材料は前記拡散障壁の前記材料とは異なる化学組成を有する、請求項10から16のいずれか一項に記載の方法。 - 前記拡散障壁を形成する段階の前に、前記第2の相互接続構造上にエッチングストップ膜を形成する段階をさらに備え、
前記拡散障壁を形成する段階の後に、前記エッチングストップ膜が前記拡散障壁に連結される、請求項10から16のいずれか一項に記載の方法。 - 前記拡散障壁を形成する段階は、複数のレイヤを形成する段階を含む、請求項10から16のいずれか一項に記載の方法。
- 回路基板と、
前記回路基板に連結されるダイと、を備え、
前記ダイは、
半導体基板と、
前記半導体基板に配置される誘電材料と、
前記誘電材料内に配置される、第1の金属を含む第1の相互接続構造と、
前記誘電材料内に配置され、前記第1の相互接続構造と電気的に連結される、第2の金属を含む第2の相互接続構造と、
前記第1の相互接続構造と前記第2の相互接続構造との間の接合部に配置される拡散障壁と、を含み、
前記第1の金属および前記第2の金属は異なる化学組成を有し、前記拡散障壁の材料および前記第2の金属の材料は異なる化学組成を有し、前記拡散障壁の材料は前記第2の金属と前記誘電材料との間に直接配置されない、コンピューティングデバイス。 - 前記第1の金属は銅(Cu)を含み、
前記第2の金属はコバルト(Co)を含む、請求項21に記載のコンピューティングデバイス。 - 前記第2の相互接続構造はデュアルダマシン構造である、請求項21または22に記載のコンピューティングデバイス。
- 前記ダイはプロセッサであり、
前記コンピューティングデバイスはアンテナ、ディスプレイ、タッチスクリーンディスプレイ、タッチスクリーンコントローラ、バッテリ、オーディオコーデック、ビデオコーデック、電力増幅器、全地球測位システム(GPS)デバイス、コンパス、ガイガーカウンタ、加速度計、ジャイロスコープ、スピーカ、およびカメラのうちの1または複数を含む、モバイルコンピューティングデバイスである、請求項21または22に記載のコンピューティングデバイス。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2014/042568 WO2015195080A1 (en) | 2014-06-16 | 2014-06-16 | Selective diffusion barrier between metals of an integrated circuit device |
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| Publication Number | Publication Date |
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| JP2017520109A true JP2017520109A (ja) | 2017-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2016567611A Pending JP2017520109A (ja) | 2014-06-16 | 2014-06-16 | 集積回路デバイスの金属間の選択的な拡散障壁 |
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| Country | Link |
|---|---|
| US (1) | US20170148739A1 (ja) |
| EP (1) | EP3155655B1 (ja) |
| JP (1) | JP2017520109A (ja) |
| KR (1) | KR102245667B1 (ja) |
| CN (1) | CN106463412A (ja) |
| TW (1) | TWI567831B (ja) |
| WO (1) | WO2015195080A1 (ja) |
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| US12538781B2 (en) * | 2019-06-13 | 2026-01-27 | Nanya Technology Corporation | Method of manufacturing integrated circuit device with bonding structure |
| US11348839B2 (en) * | 2019-07-31 | 2022-05-31 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of manufacturing semiconductor devices with multiple silicide regions |
| US11725270B2 (en) * | 2020-01-30 | 2023-08-15 | Taiwan Semiconductor Manufacturing Co., Ltd. | PVD target design and semiconductor devices formed using the same |
| US11495599B2 (en) * | 2021-02-19 | 2022-11-08 | Nanya Technology Corporation | Semiconductor device with self-aligning contact and method for fabricating the same |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3155655A4 (en) | 2018-03-21 |
| TWI567831B (zh) | 2017-01-21 |
| US20170148739A1 (en) | 2017-05-25 |
| CN106463412A (zh) | 2017-02-22 |
| WO2015195080A1 (en) | 2015-12-23 |
| EP3155655A1 (en) | 2017-04-19 |
| EP3155655B1 (en) | 2021-05-12 |
| TW201611133A (zh) | 2016-03-16 |
| KR20170017878A (ko) | 2017-02-15 |
| KR102245667B1 (ko) | 2021-04-28 |
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