JP6117881B2 - 互いに離隔するパターンを備えるマスク - Google Patents
互いに離隔するパターンを備えるマスク Download PDFInfo
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- JP6117881B2 JP6117881B2 JP2015181854A JP2015181854A JP6117881B2 JP 6117881 B2 JP6117881 B2 JP 6117881B2 JP 2015181854 A JP2015181854 A JP 2015181854A JP 2015181854 A JP2015181854 A JP 2015181854A JP 6117881 B2 JP6117881 B2 JP 6117881B2
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- 238000003384 imaging method Methods 0.000 claims description 24
- 238000000608 laser ablation Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 12
- 238000002679 ablation Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000012788 optical film Substances 0.000 description 3
- 230000003252 repetitive effect Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010047555 Visual field defect Diseases 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
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- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000307 polymer substrate Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Classifications
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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
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
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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
- G03F1/20—Masks or mask blanks for imaging by charged particle beam [CPB] radiation, e.g. by electron beam; Preparation thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/066—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms by using masks
-
- 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
- G03F1/62—Pellicles, e.g. pellicle assemblies, e.g. having membrane on support frame; Preparation thereof
-
- 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
- G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
- G03F1/70—Adapting basic layout or design of masks to lithographic process requirements, e.g., second iteration correction of mask patterns for imaging
-
- 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
- G03F7/20—Exposure; Apparatus therefor
- G03F7/24—Curved surfaces
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Laser Beam Processing (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Description
図1は、実質的に平坦な基材上にレーザーアブレーションを行うためのシステム10の図である。システム10は、レーザー光14を提供するレーザー12と、光学体16と、マスク18と、結像光学系20と、載物台24上の基材22とを含む。マスク18はレーザー光14をパターン化し、結像光学系20は、基材上の材料をアブレーションするために、パターン化された光線の焦点を基材22上に合わせる。載物台24は、典型的には、相互に直交するx方向及びy方向(当該方向は共にレーザー光14に対しても直角する)及びレーザー光14に対して平行なz方向に基材を、載物台24を介して移動させるx−y−zステージを実装する。したがって、x方向及びy方向への移動は、基材22全域にわたるアブレーションを可能にし、z方向への移動は、基材22の表面上へのマスクの像形成に焦点を合わせるのを支援することができる。
例えば、レーザーアブレーションシステム10で繰り返しパターンを生じさせるためのマスクは、パターンの2分の1、3分の2、又は4分の3、又はその他の割合で隙間を有するように、まばらなマスクを使用してまばらに作製され得る。したがって、隙間を埋めるためには、基材全体のこのマスクの像形成の1つ、2つ、若しくは3つ、又はそれ以上のパスあるいはその他のものがそれぞれ必要である。この1つ、2つ、若しくは3つ(又はそれ以上)のパス上の繰り返し構造の間の距離が有意に異なる(好ましくは素数)場合は、この構造の真の繰返しの間の距離はマスクの像形成の寸法よりも何倍も大きく、実際には数センチメートルを超える可能性がある。この構造は、繰り返し構造のセル内に、ランダムに成形された又は配置された特徴を有することができる。単一のマスク上の繰り返しの間の距離は、通常幅5ミリメートル未満、さらに一般的には、1mm以下である。
複数のまばらなマスクが組み合わされることで単一のマスクが提供することができるものよりも複雑なパターンを作り出すことができる。例えば、(場合によりレンズを作製するための)六角形状のアレイが望ましい場合は、3つの3分の1まばらなマスクを使用することができる。図13に示されるもののようなマスクAを用いた最初のパスの後、図10に示されるように繰り返しパターン78が生じ得る。このパターン78は、2×1パターンを繰り返す4つの異なる特徴を示している。これら特徴は、所望の特徴の複数の断面を重ね合わせることで生成される。例えば、図13の領域92は、4つの特徴A1(94)、A2(96)、A3(98)及びA4(100)のそれぞれの最大断面積のための1つの開口を含んでいる。これら軸対称の特徴(即ち、レンズ)のそれぞれの寸法、及び六角形のセル内のそれらの位置は、図13のマスク内でわずかに異なる。マスク90を用いた単一のパスは、図13に示される9つの領域をスーパーインポーズして、パターン78に示される繰り返し特徴のアレイを生じさせることになる。マスクBを用いたパスは、図11に示される組み合わせパターン80をもたらす。マスクBは、特徴の3×2繰り返しパターン(B1〜B12)を生じるように設計される。ここでもまた、12の特徴(B1〜B12)を有するそれぞれの寸法及び六角形のアレイに対する位置はわずかに異なることができる。マスクCを用いた最終パスは、図12に示されるパターン82を生じることになる。マスクCは、4×3パターン(C1〜C24)で繰り返す特徴を生じるように設計される。24(C1〜C24)の特徴の全ては、六角形のセル内のランダムな位置とランダムな寸法を有することができる。
個々のパターンのいずれかよりも大規模に繰り返すパターンを生成するために、円筒の表面にまばらなパターンを適用する方法は、少なくとも2つ存在する。円筒の表面にパターンを適用するために、円筒のツールの表面を機械加工するためのダイヤモンドターニング技術を用いることができ、ダイヤモンド回転は一般に、例えば、本明細書で完全に記載されたかのように参照により本明細書に組み込まれるPCT国際公開特許WO 00/48037に記載されている。
Claims (1)
- 基材上へのレーザーの像形成に使用するための、互いに離隔するパターンを備えるマスクであって、
光を透過するための複数の開口と、該開口の周りの非透過区域とを備え、
前記複数の開口は、
複数の特徴を含む完成パターンの一部分を個別に形成し、
互いに異なる面積を有する第1群の開口であって、前記完成パターンを形成するために前記複数の開口を透過したレーザー光を前記基材上に繰り返し像形成するときに、第1の前記特徴に対応する前記基材上の領域内で互いに重なるレーザー光の像を各々形成する、第1群の開口と、
互いに異なる面積を有する第2群の開口であって、前記完成パターンを形成するために前記複数の開口を透過したレーザー光を前記基材上に繰り返し像形成するときに、第2の前記特徴に対応する前記基材上の領域内で互いに重なるレーザー光の像を各々形成する、第2群の開口と、を有し、
前記非透過区域の少なくとも一部分は、前記マスクの前記開口の間の領域にあり、該領域は、前記基材上の未結像領域に対応し、該未結像領域は、結果的に、前記完成パターンを生成するために前記開口によって像形成され、
前記第1群の開口のうち最大面積を有する第1開口は、前記第2群の開口のうち最大面積を有する第2開口と異なる寸法を有するか、または、
前記第1開口が形成するレーザー光の像の前記第1の特徴に対する位置は、前記第2開口が形成するレーザー光の像の前記第2の特徴に対する位置とは異なる、マスク。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/275,669 | 2008-11-21 | ||
US12/275,669 US20100129617A1 (en) | 2008-11-21 | 2008-11-21 | Laser ablation tooling via sparse patterned masks |
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JP2011537454A Division JP2012509194A (ja) | 2008-11-21 | 2009-10-13 | まばらなパターンを有するマスクを介したレーザーアブレーションツール |
Publications (2)
Publication Number | Publication Date |
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JP2015231638A JP2015231638A (ja) | 2015-12-24 |
JP6117881B2 true JP6117881B2 (ja) | 2017-04-19 |
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JP2011537454A Pending JP2012509194A (ja) | 2008-11-21 | 2009-10-13 | まばらなパターンを有するマスクを介したレーザーアブレーションツール |
JP2015181854A Active JP6117881B2 (ja) | 2008-11-21 | 2015-09-15 | 互いに離隔するパターンを備えるマスク |
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JP2011537454A Pending JP2012509194A (ja) | 2008-11-21 | 2009-10-13 | まばらなパターンを有するマスクを介したレーザーアブレーションツール |
Country Status (6)
Country | Link |
---|---|
US (2) | US20100129617A1 (ja) |
EP (1) | EP2359389A4 (ja) |
JP (2) | JP2012509194A (ja) |
KR (1) | KR101716908B1 (ja) |
CN (1) | CN102217036B (ja) |
WO (1) | WO2010059310A2 (ja) |
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US11844237B2 (en) | 2020-05-15 | 2023-12-12 | Samsung Display Co., Ltd. | Display device, mask frame, and apparatus and method of manufacturing the display device |
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2008
- 2008-11-21 US US12/275,669 patent/US20100129617A1/en not_active Abandoned
-
2009
- 2009-10-13 KR KR1020117013922A patent/KR101716908B1/ko active IP Right Grant
- 2009-10-13 CN CN200980146301.2A patent/CN102217036B/zh active Active
- 2009-10-13 JP JP2011537454A patent/JP2012509194A/ja active Pending
- 2009-10-13 WO PCT/US2009/060402 patent/WO2010059310A2/en active Application Filing
- 2009-10-13 EP EP09827940.9A patent/EP2359389A4/en not_active Withdrawn
-
2015
- 2015-09-15 JP JP2015181854A patent/JP6117881B2/ja active Active
-
2017
- 2017-06-21 US US15/628,748 patent/US20170285457A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11844237B2 (en) | 2020-05-15 | 2023-12-12 | Samsung Display Co., Ltd. | Display device, mask frame, and apparatus and method of manufacturing the display device |
Also Published As
Publication number | Publication date |
---|---|
US20170285457A1 (en) | 2017-10-05 |
EP2359389A4 (en) | 2014-08-20 |
KR20110095365A (ko) | 2011-08-24 |
EP2359389A2 (en) | 2011-08-24 |
JP2012509194A (ja) | 2012-04-19 |
JP2015231638A (ja) | 2015-12-24 |
KR101716908B1 (ko) | 2017-03-17 |
CN102217036A (zh) | 2011-10-12 |
US20100129617A1 (en) | 2010-05-27 |
WO2010059310A2 (en) | 2010-05-27 |
WO2010059310A3 (en) | 2010-07-15 |
CN102217036B (zh) | 2014-04-23 |
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