JP2007505492A - 半導体デバイスにおける造形部分のパターン形成技術 - Google Patents
半導体デバイスにおける造形部分のパターン形成技術 Download PDFInfo
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Abstract
【解決手段】 半導体の処理のための技術が提供される。1つの態様において、半導体デバイスに1つまたはそれ以上の造形部分をパターン形成するための方法は、以下のステップを含む。反射防止材のエッチング中に、1つまたはそれ以上の造形部分の少なくとも1つの微小寸法が縮小される。リソグラフィ構造もまた提供される。
【選択図】 図2
Description
Claims (27)
- 半導体デバイスに1つまたはそれ以上の造形部分をパターン形成する方法であって、反射防止材のエッチング中に、1つまたはそれ以上の造形部分の少なくとも1つの微小寸法を縮小するステップを含む方法。
- 前記反射防止材のエッチングが、プラズマによるポリマーの堆積を伴う、請求項1に記載の方法。
- 前記反射防止材が、1つまたはそれ以上の無機部分を含む、請求項1に記載の方法。
- 前記反射防止材は、Mが金属、Xが無機成分からなるものとして、M:炭素:水素:Xという構造式を持つ、請求項1に記載の方法。
- 前記Mが、シリコン、チタン、ゲルマニウム、鉄、ホウ素、スズ、及び、前記金属の少なくとも1つを有する組合せにより構成される群から選択された金属からなる、請求項4に記載の方法。
- 前記Xが、酸素、水素、窒素、及び、前記無機成分の少なくとも1つを有する組合せにより構成される群から選択された無機成分を含む、請求項4に記載の方法。
- 前記反射防止材が、シリコン:炭素:水素:酸素という構造式を持つ、請求項1に記載の方法。
- 前記反射防止材が、調整可能な耐エッチング性反射防止膜を含む、請求項1に記載の方法。
- 前記反射防止材がスピン塗布処理を用いて基板の上に堆積される、請求項1に記載の方法。
- 前記反射防止材がプラズマ助長化学気相成長法を用いて基板の上に堆積される、請求項1に記載の方法。
- 1つまたはそれ以上の前記無機部分の量を変えることにより、1つまたはそれ以上の前記造形部分の所望の縮小された微小寸法が得られるようにする、請求項3に記載の方法。
- 前記ポリマーの堆積が、1つまたはそれ以上のポリマー層の堆積を含む、請求項2に記載の方法。
- 1つまたはそれ以上の前記各造形部分が、コンタクト・ホール、バイア・パターン、線、スペース、楕円、及び、前記造形部分の少なくとも1つを有する組合せにより構成される群から選択された造形部分からなる、請求項1に記載の方法。
- 特定の前記造形部分のいずれについても、造形部分の微小寸法が約50ナノメートルまで縮小される、請求項1に記載の方法。
- 特定の前記造形部分のいずれについても、造形部分の微小寸法が約80ナノメートルまで縮小される、請求項1に記載の方法。
- 少なくとも1種類のフッ化炭素ガスと、
アルゴンガスと、
酸素ガスと、
窒素ガスと、
を含むプラズマ・エッチングを用いて前記反射防止材がエッチングされる、請求項1に記載の方法。 - フッ化炭素ガス、アルゴンガス、酸素ガス、及び窒素ガスのうちの1つまたはそれ以上の量を変えることにより、1つまたはそれ以上の前記造形部分の所望の縮小された微小寸法が得られるようにする、請求項16に記載の方法。
- 前記ポリマーの堆積が、約10ナノメートルから約500ナノメートルまでの1つまたはそれ以上のポリマー層の堆積を含む、請求項2に記載の方法。
- 前記反射防止材の上に放射線感応性画像形成層を形成するステップをさらに含み、前記放射線感応性画像形成層が前記反射防止材とは異なる組成を持つ、請求項1に記載の方法。
- 前記放射線感応性画像形成層が1つまたはそれ以上の有機部分を含む、請求項19に記載の方法。
- 基板の上に反射防止材を堆積するステップと、
基板のエッチング中に、1つまたはそれ以上の造形部分の少なくとも1つの微小寸法を縮小するステップと、
をさらに含む、請求項1に記載の方法。 - 前記反射防止材が、誘電体材料からなる基板の上に堆積される、請求項1に記載の方法。
- 前記反射防止材が、低誘電率誘電体材料からなる基板の上に堆積される、請求項1に記載の方法。
- フルオロケイ酸塩ガラス、ホウケイ酸塩ガラス、ホウリンケイ酸塩ガラス、及び、前記酸化物材料の少なくとも1つを有する組合せにより構成される群から選択された酸化物材料を含む基板の上に、反射防止材が堆積される、請求項1に記載の方法。
- リソグラフィ構造であって、パターン形成された造形部分を有する反射防止材を含み、造形部分が少なくとも1つの減少された微小寸法を有するリソグラフィ構造。
- 前記反射防止材が基板の上に堆積され、前記基板がパターン形成された造形部分を有し、前記造形部分が少なくとも1つの縮小された微小寸法を有する、請求項25に記載のリソグラフィ構造。
- 半導体デバイスに1つまたはそれ以上の造形部分をパターン形成する方法であって、反射防止材のエッチング中に、1つまたはそれ以上の造形部分の少なくとも1つまたはそれ以上の微小寸法を縮小するステップを含み、前記1つまたはそれ以上の微小寸法が、パターン形成の際に得られる1つまたはそれ以上の造形部分に特有の寸法からなるものである方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/661,041 US7030008B2 (en) | 2003-09-12 | 2003-09-12 | Techniques for patterning features in semiconductor devices |
US10/661,041 | 2003-09-12 | ||
PCT/US2004/014903 WO2005036625A1 (en) | 2003-09-12 | 2004-05-13 | Techniques for patterning features in semiconductor devices |
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JP2007505492A true JP2007505492A (ja) | 2007-03-08 |
JP2007505492A5 JP2007505492A5 (ja) | 2007-06-28 |
JP4755592B2 JP4755592B2 (ja) | 2011-08-24 |
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JP2006526058A Expired - Fee Related JP4755592B2 (ja) | 2003-09-12 | 2004-05-13 | 造形部分をパターン形成する方法 |
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US (3) | US7030008B2 (ja) |
EP (1) | EP1665347A1 (ja) |
JP (1) | JP4755592B2 (ja) |
KR (1) | KR100810203B1 (ja) |
CN (1) | CN1849698B (ja) |
TW (1) | TWI345803B (ja) |
WO (1) | WO2005036625A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009188403A (ja) * | 2008-02-01 | 2009-08-20 | Tokyo Electron Ltd | Cdバイアスの減少したシリコン含有反射防止コーティング層のエッチング方法 |
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Also Published As
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US7030008B2 (en) | 2006-04-18 |
JP4755592B2 (ja) | 2011-08-24 |
KR20060064650A (ko) | 2006-06-13 |
EP1665347A1 (en) | 2006-06-07 |
US7545041B2 (en) | 2009-06-09 |
WO2005036625A1 (en) | 2005-04-21 |
US20060118785A1 (en) | 2006-06-08 |
KR100810203B1 (ko) | 2008-03-07 |
TWI345803B (en) | 2011-07-21 |
US20050056823A1 (en) | 2005-03-17 |
TW200523998A (en) | 2005-07-16 |
CN1849698A (zh) | 2006-10-18 |
CN1849698B (zh) | 2012-07-11 |
US20080187731A1 (en) | 2008-08-07 |
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