JP2011228750A - 半導体デバイス及びマスク設計方法 - Google Patents
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/31051—Planarisation of the insulating layers
- H01L21/31053—Planarisation of the insulating layers involving a dielectric removal step
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/926—Dummy metallization
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- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Semiconductor Integrated Circuits (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
- Semiconductor Memories (AREA)
Abstract
【解決手段】本発明は、研磨ダミーフィーチャパターンの無差別な配置ではなく、研磨ダミーフィーチャパターンの選択的な配置を使用する。トポグラフィ変化の低周波数(数百ミクロン以上)及び高周波数(10ミクロン以下)の両方が検討された。研磨ダミーフィーチャパターンは半導体デバイス及び半導体デバイスの作製に使用される研磨条件に特に適合されている。集積回路をデザインする場合にはアクティブフィーチャの研磨効果が予測可能である。研磨ダミーフィーチャパターンが例図とに配置された後、局部的な(デバイスの全てではなく一部)レベルにおいて、及びさらに広域的なレベル(全デバイス、デバイスとは、レチクルフィールド、或いはさらにはウェハ全体に対応する)平坦性が検査される。
【選択図】 図16
Description
当業者は、図面の構成要素が、単純化及び明確化のために示されるものであり、必ずしも一定の比率に拡大して示されていないことを認識する。例えば、本発明の実施形態に対する理解の向上を促進するために、図面の構成要素のうちのいくつかの寸法が他の要素よりも誇張されていてもよい。
(詳細な説明)
研磨ダミーフィーチャをどこに配置すべきか決定する際には、物理的近接効果、電気的近接効果、或いは両方が考慮される。研磨ダミーフィーチャは、半導体デバイスの性能に悪影響を及ぼすことなく十分に平坦性を達成すべく、1つ以上のフィーチャ層に、挿入され、除去され、移動され、或いは変更されることが可能である。即ち、研磨ダミーフィーチャパターンの幾分無差別な配置ではなく、研磨ダミーフィーチャパターンのより選択的配置が使用される。トポグラフィ変化の低周波数(数百ミクロン以上)及び高周波数(10ミクロン以下)の両方が検討された。本発明の実施形態はその最大限に実施された場合には、信号の完全性を保持しつつ、十分な平坦性を可能とする。本発明は請求項に規定され、詳細な説明を読むことによって、一層理解される。
1.アクティブフィーチャとは、半導体デバイスのために設計された回路に相当するフィーチャである。アクティブフィーチャには、トランジスタ、キャパシタ、レジスタ等の部分が含まれる。アクティブフィーチャには、ほぼ一定の電位で作動するように設計された電力供給フィーチャ、及びある電子条件においては1つの電位で、他の電子条件においては異なる電位で作動するように設計された信号フィーチャが含まれる。
5.周辺領域とは、ダイスの、集積回路領域とスクライブラインとの間に位置する部分である。多くの集積回路では、周辺領域は、ダイスのボンドパッドとスクライブラインとの間にある部分である。
層74を堆積した後、次に図11に示されるようなほぼ平坦な表面92を達成すべく研磨される。研磨に使用される条件は、上記されたキャラクタリゼーションにおいて使用される条件に類似している必要がある。従って、研磨パッドに類似するもの、類似の研磨流体、及び類似の研磨パラメタは、少なくとも研磨ダミーフィーチャの配置を部分的に決定したこれらのパラメタが研磨キャラクタリゼーションに影響するため、使用される必要がある。研磨の結果、完全に平坦な表面が生じる必要はない。起伏の程度は、それが電子的性能(電気的短絡やリークパスがない)、或いは後の工程(リソグラフィ又はエッチングに関連した問題における焦点深度)に著しく影響しないことが必要である。
Claims (4)
- 第1のアクティブフィーチャと、
研磨ダミーフィーチャとからなる半導体デバイスであって、
前記半導体デバイスは、
前記第1のアクティブフィーチャ(162,164,166,1744)及び研磨ダミーフィーチャ(163,165,1738)は異なるフィーチャ層にあり、前記第1のアクティブフィーチャ(162,164,166,1744)は信号フィーチャであり、及び、前記第1のアクティブフィーチャ(162,164,166)は前記研磨ダミーフィーチャ(163,165,1738)の上下の位置からずらした箇所に配置される構成を有する、半導体デバイス。 - 前記信号フィーチャ(1744)の下方には絶縁層(1731)があり、前記絶縁層(1731)は複数の前記研磨ダミーフィーチャ(1738)に挟まれている、請求項1に記載の半導体デバイス。
- 前記複数の研磨ダミーフィーチャ(1738)の間の距離は少なくとも0.1ミリメートルである、請求項2に記載の半導体デバイス。
- 前記複数の研磨ダミーフィーチャ(1738)の間の距離は0.1〜1.0ミリメートルの範囲内にある、請求項3に記載の半導体デバイス。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/340,697 US6396158B1 (en) | 1999-06-29 | 1999-06-29 | Semiconductor device and a process for designing a mask |
US09/340,697 | 1999-06-29 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2001506596A Division JP5249483B2 (ja) | 1999-06-29 | 2000-05-24 | 半導体デバイス及びマスク設計方法 |
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JP2011228750A true JP2011228750A (ja) | 2011-11-10 |
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JP2001506596A Expired - Lifetime JP5249483B2 (ja) | 1999-06-29 | 2000-05-24 | 半導体デバイス及びマスク設計方法 |
JP2011174607A Pending JP2011228750A (ja) | 1999-06-29 | 2011-08-10 | 半導体デバイス及びマスク設計方法 |
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JP2001506596A Expired - Lifetime JP5249483B2 (ja) | 1999-06-29 | 2000-05-24 | 半導体デバイス及びマスク設計方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US6396158B1 (ja) |
EP (1) | EP1196948A2 (ja) |
JP (2) | JP5249483B2 (ja) |
KR (1) | KR100722177B1 (ja) |
CN (1) | CN1274013C (ja) |
TW (1) | TW523831B (ja) |
WO (1) | WO2001001469A2 (ja) |
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TW523831B (en) | 2003-03-11 |
US6396158B1 (en) | 2002-05-28 |
US20020050655A1 (en) | 2002-05-02 |
KR100722177B1 (ko) | 2007-05-29 |
KR20020012298A (ko) | 2002-02-15 |
JP5249483B2 (ja) | 2013-07-31 |
US6593226B2 (en) | 2003-07-15 |
CN1274013C (zh) | 2006-09-06 |
WO2001001469A2 (en) | 2001-01-04 |
JP2003503847A (ja) | 2003-01-28 |
CN1365516A (zh) | 2002-08-21 |
EP1196948A2 (en) | 2002-04-17 |
WO2001001469A3 (en) | 2001-12-27 |
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