JP2001513221A - サブ解像散乱バーを使用した中間ピッチフィーチャのための光学近接補正方法 - Google Patents
サブ解像散乱バーを使用した中間ピッチフィーチャのための光学近接補正方法Info
- Publication number
- JP2001513221A JP2001513221A JP53765598A JP53765598A JP2001513221A JP 2001513221 A JP2001513221 A JP 2001513221A JP 53765598 A JP53765598 A JP 53765598A JP 53765598 A JP53765598 A JP 53765598A JP 2001513221 A JP2001513221 A JP 2001513221A
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F9/00—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70058—Mask illumination systems
- G03F7/70125—Use of illumination settings tailored to particular mask patterns
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/36—Masks having proximity correction features; Preparation thereof, e.g. optical proximity correction [OPC] design processes
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70425—Imaging strategies, e.g. for increasing throughput or resolution, printing product fields larger than the image field or compensating lithography- or non-lithography errors, e.g. proximity correction, mix-and-match, stitching or double patterning
- G03F7/70433—Layout for increasing efficiency or for compensating imaging errors, e.g. layout of exposure fields for reducing focus errors; Use of mask features for increasing efficiency or for compensating imaging errors
- G03F7/70441—Optical proximity correction [OPC]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.近接効果を補正するために、マスク上に解像不可能な補正フィーチャを提供 する方法であって、該マスクは、少なくとも2つのフィーチャエッジを含み、該 補正フィーチャは、関連する基準幅、所定のマスクフィーチャエッジからの関連 する基準間隔、および隣接する補正フィーチャエッジ間の関連する基準間隔を有 し、 マスク上の2つの隣接するマスクエッジ間に、単一の解像不可能な補正フィー チャを付加するステップを包含し、該補正フィーチャは、該2つの隣接するマス クエッジの各々に隣接するエッジを有し、該隣接する補正フィーチャエッジは、 該2つの隣接するエッジから、該基準間隔よりも小さく且つ所定の最小距離より も大きい距離だけ間隔があけられ、 マスク上の2つの隣接するエッジ間に、2つの解像不可能な補正フィーチャを 付加するステップをさらに包含し、該補正フィーチャが、該2つの隣接する、エ ッジの各々から、該基準間隔よりも小さく且つ所定の最小距離よりも大きい距離 だけ間隔があけられる、方法。 2.前記マスクが、関連する波長を有する露光源を有するフォトリソグラフィプ ロセスにおいて使用され、前記最小距離が、該波長に比例する、請求項1に記載 の方法。 3.前記所定の最小距離が、前記波長の3/4である、請求項2に記載の方法。 4.前記単一の補正フィーチャが、前記基準幅よりも小さい関連する幅を有する 、請求項1に記載の方法。 5.前記単一の補正フィーチャの前記関連する幅が、前記基準幅の2/3である 、請求項4に記載の方法。 6.前記単一の補正フィーチャの前記関連する幅が、前記基準幅よりも大きい、 請求項1に記載の方法。 7.前記単一の補正フィーチャの前記関連する幅が、前記基準幅の1.5である 、請求項6に記載の方法。 8.関連する物理特性を有する少なくとも1つの補正フィーチャを付与して、リ ソグラフィプロセスにおいて所定の距離だけ間隔があけられた2つの隣接する主 要なフィーチャの近接効果を補正する方法であって、該リソグラフィプロセスは 、関連する波長を有し、且つ、該リソグラフィプロセスの処理パラメータに依存 する関連する解像限界を有する露光道具を使用し、該主要なフィーチャの各々は 、該少なくとも1つの補正フィーチャに隣接する関連するエッジを有し、該隣接 するエッジの各々は、もとの配置を有し、 該2つの隣接するフィーチャの間に、該少なくとも1つの補正フィーチャを配 置するステップと、 該少なくとも1つの補正フィーチャの該関連する物理特性と、該隣接するエッ ジのうちの少なくとも1つの該もとの配置と、のうちの少なくとも1つを調整し て、該隣接するエッジの各々と、該少なくとも1つの補正フィーチャとの間の分 離間隔が、最小距離よりも大きく且つ該リソグラフィプロセスの該解像限界の範 囲である所定の基準距離よりも小さい距離になるようにするステップと、を包含 し、該最小距離が、該波長よりも小さい、方法。 9.前記物理特性が、前記少なくとも1つの補正フィーチャの幅である、請求項 8に記載の方法。 10.前記調整するステップが、前記少なくとも1つの補正フィーチャの前記幅 を、λ/3の範囲である所定の基準幅よりも小さい寸法になるように調整するス テップを包含する、請求項9に記載の方法。 11.前記調整するステップが、前記少なくとも1つの補正フィーチャの前記幅 を、λ/3の範囲である所定の基準幅よりも大きく且つ所定の解像不可能な最大 幅よりも小さい寸法になるように調整するステップを包含する、請求項9に記載 の方法。 12.前記調整するステップが、前記少なくとも1つ補正フィーチャを、ダッシ ュ状フィーチャとして形成するステップを包含する、請求項9に記載の方法。 13.前記少なくとも1つの隣接するエッジの前記もとの配置が、前記少なくと も1つの補正フィーチャに向かって移動される、請求項9または8に記載の方法 。 14.前記少なくとも1つの隣接するエッジの前記もとの配置が、前記少なくと も1つの補正フィーチャから離れるように移動される、請求項9または8に記載 の方法。 15.前記少なくとも1つのダッシュ状フィーチャを形成する前記ステップが、 該少なくとも1つのダッシュ状フィーチャのダッシュ長対ダッシュ分離の比と、 ダッシュピッチとを調整することにより、該少なくとも1つのダッシュ状フィー チャの効果的な幅をさらに制御するステップを包含する、請求項12に記載の方 法。 16.関連する幅を有する少なくとも1つの補正フィーチャを用いて、リソグラ フィプロセスにおいて、マスク上の2つの隣接する主要なフィーチャの近接効果 を補正する方法であって、該リソグラフィプロセスは、関連する波長(λ)を有 し、且つ、該リソグラフィプロセスの処理パラメータに依存する関連する解像不 可能な最大幅を有する露光道具を使用し、該主要なフィーチャは、所定の距離だ け間隔があけられ、該主要なフィーチャの各々は、該少なくとも1つの補正フィ ーチャに隣接する関連するエッジを有し、該隣接するエッジの各々は、もとの配 置を有し、 該主要なフィーチャの該隣接するエッジの各々と、該少なくとも1つの補正フ ィーチャの隣接するフィーチャとの間の分離間隔が、最小距離よりも大きく且つ 該リソグラフィプロセスの該解像限界の範囲である所定の基準距離よりも小さい 距離となるように、該2つの主要なフィーチャ間に配置される補正フィーチャの 数を決定するステップを包含し、該最小距離は、該波長よりも小さく、 該2つの隣接するフィーチャ間に該数の補正フィーチャを配置するステップを さらに包含する、方法。 17.単一の前記補正フィーチャが、前記2つの主要なフィーチャの間に配置さ れる、請求項16に記載の方法。 18.2つの前記補正フィーチャが、前記2つの主要なフィーチャの間に配置さ れる、請求項16に記載の方法。 19.前記所定の距離(d)が、5λ/3≦d<7λ/3の範囲である、請求項 17に記載の方法。 20.前記所定の距離(d)が、7λ/3<d<10λ/3の範囲である、請求 項18に記載の方法。 21.前記関連する幅が、前記解像不可能な最大幅の範囲である所定の基準幅で ある、請求項19または20に記載の方法。 22.前記幅が、λ/3の範囲である所定の基準幅よりも小さい、請求項19ま たは20に記載の方法。 23.前記少なくとも1つの補正フィーチャがダッシュであり、前記関連する幅 が、前記解像不可能な最大幅の範囲である所定の基準幅である、請求項19また は20に記載の方法。 24.前記所定の距離(d)が、5λ/3≦d<7λ/3の範囲であり、前記幅 が、前記解像不可能な最大幅よりも小さく、且つ、λ/3の範囲である所定の基 準幅よりも大きい、請求項17に記載の方法。 25.請求項8または16に記載の方法により製造される、マスク。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/808,587 | 1997-02-28 | ||
US08/808,587 US5821014A (en) | 1997-02-28 | 1997-02-28 | Optical proximity correction method for intermediate-pitch features using sub-resolution scattering bars on a mask |
PCT/US1998/002100 WO1998038549A1 (en) | 1997-02-28 | 1998-02-20 | Optical proximity correction method for intermediate-pitch features using sub-resolution scattering bars |
Publications (1)
Publication Number | Publication Date |
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JP2001513221A true JP2001513221A (ja) | 2001-08-28 |
Family
ID=25199194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP53765598A Pending JP2001513221A (ja) | 1997-02-28 | 1998-02-20 | サブ解像散乱バーを使用した中間ピッチフィーチャのための光学近接補正方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5821014A (ja) |
EP (1) | EP0968458B1 (ja) |
JP (1) | JP2001513221A (ja) |
KR (1) | KR100463489B1 (ja) |
DE (1) | DE69839764D1 (ja) |
TW (1) | TW388919B (ja) |
WO (1) | WO1998038549A1 (ja) |
Cited By (7)
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JP2007522671A (ja) * | 2004-02-25 | 2007-08-09 | マイクロニック レーザー システムズ アクチボラゲット | 光マスクレスリソグラフィにおいてパターンを露光し、マスクをエミュレートする方法 |
JP2009512186A (ja) * | 2005-10-07 | 2009-03-19 | アドバンスト・マイクロ・ディバイシズ・インコーポレイテッド | 分離されたアシストフィーチャを用いたプロセスマージンの向上 |
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JP2010146024A (ja) * | 2003-06-30 | 2010-07-01 | Asml Masktools Bv | デバイスレイアウトを用いるna−シグマ露光設定および散乱バーopcの同時最適化の方法、プログラム製品、および装置 |
JP2010539544A (ja) * | 2007-09-14 | 2010-12-16 | ルミネセント テクノロジーズ インコーポレイテッド | マスクパターン及び書込パターンを判断するための技術 |
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- 1998-02-20 JP JP53765598A patent/JP2001513221A/ja active Pending
- 1998-02-20 EP EP98908466A patent/EP0968458B1/en not_active Expired - Lifetime
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KR101096143B1 (ko) | 2003-06-30 | 2011-12-19 | 에이에스엠엘 마스크툴즈 비.브이. | Na-시그마 노광세팅 및 디바이스 레이아웃을 이용하는스캐터링 바아 opc에 대한 동시 최적화 방법,프로그램물 및 장치 |
KR101185463B1 (ko) | 2003-06-30 | 2012-10-02 | 에이에스엠엘 마스크툴즈 비.브이. | Na-시그마 노광세팅 및 디바이스 레이아웃을 이용하는 스캐터링 바아 opc에 대한 동시 최적화 방법, 프로그램물 및 장치 |
JP2007522671A (ja) * | 2004-02-25 | 2007-08-09 | マイクロニック レーザー システムズ アクチボラゲット | 光マスクレスリソグラフィにおいてパターンを露光し、マスクをエミュレートする方法 |
JP2006126614A (ja) * | 2004-10-29 | 2006-05-18 | Toshiba Corp | マスクパターンデータ生成方法、フォトマスクの製造方法、及び半導体デバイスの製造方法 |
US7691543B2 (en) | 2005-05-02 | 2010-04-06 | Elpida Memory, Inc. | Mask data creation method |
JP2009512186A (ja) * | 2005-10-07 | 2009-03-19 | アドバンスト・マイクロ・ディバイシズ・インコーポレイテッド | 分離されたアシストフィーチャを用いたプロセスマージンの向上 |
JP2010539544A (ja) * | 2007-09-14 | 2010-12-16 | ルミネセント テクノロジーズ インコーポレイテッド | マスクパターン及び書込パターンを判断するための技術 |
JP2014206748A (ja) * | 2007-09-14 | 2014-10-30 | ディーノ テクノロジー アクイジション リミテッド ライアビリティ カンパニー | マスクパターン及び書込パターンを判断するための技術 |
JP2010117729A (ja) * | 2010-02-22 | 2010-05-27 | Sony Corp | 露光方法、並びに、半導体装置及びその製造方法 |
Also Published As
Publication number | Publication date |
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WO1998038549A1 (en) | 1998-09-03 |
DE69839764D1 (de) | 2008-09-04 |
EP0968458B1 (en) | 2008-07-23 |
TW388919B (en) | 2000-05-01 |
KR20000075841A (ko) | 2000-12-26 |
US5821014A (en) | 1998-10-13 |
EP0968458A1 (en) | 2000-01-05 |
EP0968458A4 (en) | 2001-05-02 |
KR100463489B1 (ko) | 2004-12-29 |
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