JP3759108B2 - 接着性が増大した低欠陥密度のbeol相互接続用低誘電率レベル間誘電体被膜を製造する方法 - Google Patents
接着性が増大した低欠陥密度のbeol相互接続用低誘電率レベル間誘電体被膜を製造する方法 Download PDFInfo
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Description
(a)少なくとも1つの重合可能な基を含むシラン・カップリング剤を基板表面に塗布し、それによって前記基板上に前記シラン・カップリング剤のほぼ一様なコーティングを提供するステップと、
(b)前記シラン・カップリング剤の前記コーティングを含む前記基板を約90℃以上の温度に加熱し、それによって前記基板上にSi−O結合を含む表面層を提供するステップと、
(c)残りの未反応のシラン・カップリング剤を除去するのに有効な適切な溶媒で、前記加熱された基板を洗浄するステップと、
(d)前記Si−O結合を含む前記洗浄済みの表面に誘電体材料を塗布するステップとを含む。
(i)T-M. Lu他、「Vapor Deposition ofLow-Dielectric-Constant Polymeric Films」、28〜31頁。
(ii)Nigel P. Hacker、「Organic and InorganicSpin-On Polymers for Low-Dielectric-Constant Applications」、33〜38頁。
(iii)Changming Jin他、「Nanoporous Silica asan Ultralow-k Dielectric」、39〜42頁。
(iv)Kazuhiko Endo、「Fluorinated AmorphousCarbon as a Low-Dielectric-Constant Interlayer Dielectric」、55〜58頁。
Claims (2)
- 集積回路の製造方法であって、
(a)少なくとも1つの重合可能な基を含むシラン・カップリング剤を基板表面に塗布して、前記基板上に前記シラン・カップリング剤の実質的に一様なコーティングを設けるステップと、
(b)前記シラン・カップリング剤のコーティングを含む前記基板を90℃以上の温度に加熱し、それによって前記基板上にSi−O結合を含み、同じシラン・カップリング剤を塗布した未加熱の基板よりも大きな水接触角を有する表面層を設けるステップと、
(c)残りの未反応のシラン・カップリング剤を除去するのに有効な溶媒で、前記加熱された基板を洗浄するステップと、
(d)前記Si−O結合を含む前記洗浄済みの表面に誘電体材料を塗布するステップと
を少なくとも含み、
前記基板を洗浄するステップ(c)中の前記溶媒が、プロピレングリコールモノメチルエーテルアセテートであり、
前記誘電体材料がメチルシルセスキオキサン(MSSQ)、ヒドリドシルセスキオキサンまたはSiLK(登録商標)である方法。 - 集積回路の製造方法であって、
(a)少なくとも1つの重合可能な基を含むシラン・カップリング剤が2.5%の濃度で存在する溶液を基板表面に塗布して、前記基板上に前記シラン・カップリング剤の実質的に一様なコーティングを設けるステップと、
(b)前記シラン・カップリング剤のコーティングを含む前記基板を90℃以上の温度に加熱し、それによって前記基板上にSi−O結合を含み、同じシラン・カップリング剤を塗布した未加熱の基板よりも大きな水接触角を有する表面層を設けるステップと、
(c)残りの未反応のシラン・カップリング剤を除去するのに有効な溶媒で、前記加熱された基板を洗浄するステップと、
(d)前記Si−O結合を含む前記洗浄済みの表面に誘電体材料を塗布するステップと
を少なくとも含む方法。
Applications Claiming Priority (2)
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US09/789,422 US6455443B1 (en) | 2001-02-21 | 2001-02-21 | Method of fabricating low-dielectric constant interlevel dielectric films for BEOL interconnects with enhanced adhesion and low-defect density |
PCT/US2002/004879 WO2002069381A2 (en) | 2001-02-21 | 2002-02-19 | Method of fabricating low-dielectric constant interlevel dielectric films for beol interconnects with enhanced adhesion and low-defect density |
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JP2004532514A JP2004532514A (ja) | 2004-10-21 |
JP3759108B2 true JP3759108B2 (ja) | 2006-03-22 |
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EP (1) | EP1390972B1 (ja) |
JP (1) | JP3759108B2 (ja) |
KR (1) | KR100516534B1 (ja) |
CN (1) | CN1251312C (ja) |
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DE (1) | DE60213086T2 (ja) |
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IL (1) | IL157506A (ja) |
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US6455443B1 (en) | 2002-09-24 |
IN2003DE01322A (ja) | 2005-05-27 |
DE60213086T2 (de) | 2006-12-28 |
KR100516534B1 (ko) | 2005-09-22 |
ES2262797T3 (es) | 2006-12-01 |
CN1251312C (zh) | 2006-04-12 |
ATE333144T1 (de) | 2006-08-15 |
US20020160600A1 (en) | 2002-10-31 |
IL157506A0 (en) | 2004-03-28 |
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