CN109073981B - 通过填充因数调制的工艺兼容性改善 - Google Patents
通过填充因数调制的工艺兼容性改善 Download PDFInfo
- Publication number
- CN109073981B CN109073981B CN201680084437.5A CN201680084437A CN109073981B CN 109073981 B CN109073981 B CN 109073981B CN 201680084437 A CN201680084437 A CN 201680084437A CN 109073981 B CN109073981 B CN 109073981B
- Authority
- CN
- China
- Prior art keywords
- target
- elements
- pitch
- design
- auxiliary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70605—Workpiece metrology
- G03F7/70681—Metrology strategies
- G03F7/70683—Mark designs
-
- 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
- G03F7/0002—Lithographic processes using patterning methods other than those involving the exposure to radiation, e.g. by stamping
-
- 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
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70491—Information management, e.g. software; Active and passive control, e.g. details of controlling exposure processes or exposure tool monitoring processes
- G03F7/705—Modelling or simulating from physical phenomena up to complete wafer processes or whole workflow in wafer productions
-
- 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
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70605—Workpiece metrology
- G03F7/70616—Monitoring the printed patterns
-
- 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
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70605—Workpiece metrology
- G03F7/70616—Monitoring the printed patterns
- G03F7/70625—Dimensions, e.g. line width, critical dimension [CD], profile, sidewall angle or edge roughness
-
- 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
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70605—Workpiece metrology
- G03F7/70616—Monitoring the printed patterns
- G03F7/70633—Overlay, i.e. relative alignment between patterns printed by separate exposures in different layers, or in the same layer in multiple exposures or stitching
-
- 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
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70605—Workpiece metrology
- G03F7/706843—Metrology apparatus
- G03F7/706849—Irradiation branch, e.g. optical system details, illumination mode or polarisation control
-
- 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
- G03F9/70—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically for microlithography
- G03F9/7073—Alignment marks and their environment
- G03F9/7076—Mark details, e.g. phase grating mark, temporary mark
-
- 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
- G03F9/70—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically for microlithography
- G03F9/7088—Alignment mark detection, e.g. TTR, TTL, off-axis detection, array detector, video detection
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
- G06F30/398—Design verification or optimisation, e.g. using design rule check [DRC], layout versus schematics [LVS] or finite element methods [FEM]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P74/00—Testing or measuring during manufacture or treatment of wafers, substrates or devices
- H10P74/20—Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by the properties tested or measured, e.g. structural or electrical properties
- H10P74/203—Structural properties, e.g. testing or measuring thicknesses, line widths, warpage, bond strengths or physical defects
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P76/00—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P76/00—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography
- H10P76/20—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising organic materials
- H10P76/204—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising organic materials of organic photoresist masks
- H10P76/2041—Photolithographic processes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662318086P | 2016-04-04 | 2016-04-04 | |
| US62/318,086 | 2016-04-04 | ||
| PCT/US2016/060626 WO2017176314A1 (en) | 2016-04-04 | 2016-11-04 | Process compatibility improvement by fill factor modulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109073981A CN109073981A (zh) | 2018-12-21 |
| CN109073981B true CN109073981B (zh) | 2021-09-24 |
Family
ID=60001339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680084437.5A Active CN109073981B (zh) | 2016-04-04 | 2016-11-04 | 通过填充因数调制的工艺兼容性改善 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US10579768B2 (https=) |
| EP (1) | EP3440511B1 (https=) |
| JP (1) | JP6952711B2 (https=) |
| KR (1) | KR102788661B1 (https=) |
| CN (1) | CN109073981B (https=) |
| IL (1) | IL261879B (https=) |
| TW (1) | TWI710860B (https=) |
| WO (1) | WO2017176314A1 (https=) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7179742B2 (ja) * | 2017-02-10 | 2022-11-29 | ケーエルエー コーポレイション | 散乱計測オーバーレイターゲット及び方法 |
| WO2018226215A1 (en) | 2017-06-06 | 2018-12-13 | Kla-Tencor Corporation | Reticle optimization algorithms and optimal target design |
| US10628544B2 (en) | 2017-09-25 | 2020-04-21 | International Business Machines Corporation | Optimizing integrated circuit designs based on interactions between multiple integration design rules |
| WO2019083560A1 (en) * | 2017-10-23 | 2019-05-02 | Kla-Tencor Corporation | REDUCTION OR ELIMINATION OF PATTERN PLACEMENT ERROR IN METROLOGY MEASUREMENTS |
| US10824082B2 (en) * | 2018-10-30 | 2020-11-03 | Kla-Tencor Corporation | Estimation of asymmetric aberrations |
| CN113439240A (zh) * | 2019-02-19 | 2021-09-24 | Asml控股股份有限公司 | 量测系统、光刻设备和方法 |
| US11378394B1 (en) * | 2020-12-11 | 2022-07-05 | Kla Corporation | On-the-fly scatterometry overlay metrology target |
| KR102871169B1 (ko) * | 2021-12-17 | 2025-10-14 | 케이엘에이 코포레이션 | 개선된 타겟 배치 정확성을 위한 오버레이 타겟 설계 |
| US12411420B2 (en) * | 2023-09-29 | 2025-09-09 | Kla Corporation | Small in-die target design for overlay measurement |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6303252B1 (en) * | 1999-12-27 | 2001-10-16 | United Microelectronics Corp. | Reticle having assist feature between semi-dense lines |
| CN101539720A (zh) * | 2008-03-21 | 2009-09-23 | 株式会社瑞萨科技 | 光掩模、半导体器件制造系统和半导体器件制造方法 |
| CN102592002A (zh) * | 2010-10-29 | 2012-07-18 | 佳能株式会社 | 产生掩模数据的方法、制造掩模的方法和曝光方法 |
| CN104520982A (zh) * | 2012-06-26 | 2015-04-15 | 科磊股份有限公司 | 类装置散射测量叠盖目标 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW512424B (en) * | 2000-05-01 | 2002-12-01 | Asml Masktools Bv | Hybrid phase-shift mask |
| TW479157B (en) | 2000-07-21 | 2002-03-11 | Asm Lithography Bv | Mask for use in a lithographic projection apparatus and method of making the same |
| US6433878B1 (en) * | 2001-01-29 | 2002-08-13 | Timbre Technology, Inc. | Method and apparatus for the determination of mask rules using scatterometry |
| US6519760B2 (en) * | 2001-02-28 | 2003-02-11 | Asml Masktools, B.V. | Method and apparatus for minimizing optical proximity effects |
| SG108975A1 (en) * | 2003-07-11 | 2005-02-28 | Asml Netherlands Bv | Marker structure for alignment or overlay to correct pattern induced displacement, mask pattern for defining such a marker structure and lithographic projection apparatus using such a mask pattern |
| SG111289A1 (en) * | 2003-11-05 | 2005-05-30 | Asml Masktools Bv | A method for performing transmission tuning of a mask pattern to improve process latitude |
| DE60333688D1 (de) * | 2003-12-19 | 2010-09-16 | Ibm | Differentielle metrologie für kritische abmessung und überlagerung |
| JP4634849B2 (ja) * | 2005-04-12 | 2011-02-16 | 株式会社東芝 | 集積回路のパターンレイアウト、フォトマスク、半導体装置の製造方法、及びデータ作成方法 |
| US7749662B2 (en) * | 2005-10-07 | 2010-07-06 | Globalfoundries Inc. | Process margin using discrete assist features |
| US7925486B2 (en) | 2006-03-14 | 2011-04-12 | Kla-Tencor Technologies Corp. | Computer-implemented methods, carrier media, and systems for creating a metrology target structure design for a reticle layout |
| US7911612B2 (en) * | 2007-06-13 | 2011-03-22 | Asml Netherlands B.V. | Inspection method and apparatus, lithographic apparatus, lithographic processing cell and device manufacturing method |
| KR100880232B1 (ko) * | 2007-08-20 | 2009-01-28 | 주식회사 동부하이텍 | 미세 마스크 및 그를 이용한 패턴 형성 방법 |
| JP2009109581A (ja) * | 2007-10-26 | 2009-05-21 | Toshiba Corp | 半導体装置の製造方法 |
| WO2015009619A1 (en) * | 2013-07-15 | 2015-01-22 | Kla-Tencor Corporation | Producing resist layers using fine segmentation |
| US9053284B2 (en) * | 2013-09-04 | 2015-06-09 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method and system for overlay control |
| CN108931891B (zh) * | 2013-12-17 | 2020-11-03 | Asml荷兰有限公司 | 检查方法、光刻设备、掩模以及衬底 |
| WO2015109036A1 (en) * | 2014-01-15 | 2015-07-23 | Kla-Tencor Corporation | Overlay measurement of pitch walk in multiply patterned targets |
| KR102574171B1 (ko) * | 2014-08-29 | 2023-09-06 | 에이에스엠엘 네델란즈 비.브이. | 메트롤로지 방법, 타겟 및 기판 |
| NL2017300A (en) * | 2015-08-27 | 2017-03-01 | Asml Netherlands Bv | Method and apparatus for measuring a parameter of a lithographic process, substrate and patterning devices for use in the method |
| KR102477933B1 (ko) * | 2015-12-17 | 2022-12-15 | 에이에스엠엘 네델란즈 비.브이. | 메트롤로지 장치의 조정 또는 측정 타겟의 특성에 기초한 측정 |
-
2016
- 2016-11-04 KR KR1020187031153A patent/KR102788661B1/ko active Active
- 2016-11-04 WO PCT/US2016/060626 patent/WO2017176314A1/en not_active Ceased
- 2016-11-04 JP JP2018552155A patent/JP6952711B2/ja active Active
- 2016-11-04 CN CN201680084437.5A patent/CN109073981B/zh active Active
- 2016-11-04 EP EP16898139.7A patent/EP3440511B1/en active Active
- 2016-11-04 US US15/502,950 patent/US10579768B2/en active Active
-
2017
- 2017-03-31 TW TW106110992A patent/TWI710860B/zh active
-
2018
- 2018-09-20 IL IL261879A patent/IL261879B/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6303252B1 (en) * | 1999-12-27 | 2001-10-16 | United Microelectronics Corp. | Reticle having assist feature between semi-dense lines |
| CN101539720A (zh) * | 2008-03-21 | 2009-09-23 | 株式会社瑞萨科技 | 光掩模、半导体器件制造系统和半导体器件制造方法 |
| CN102592002A (zh) * | 2010-10-29 | 2012-07-18 | 佳能株式会社 | 产生掩模数据的方法、制造掩模的方法和曝光方法 |
| CN104520982A (zh) * | 2012-06-26 | 2015-04-15 | 科磊股份有限公司 | 类装置散射测量叠盖目标 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201800873A (zh) | 2018-01-01 |
| KR102788661B1 (ko) | 2025-03-28 |
| US20180157784A1 (en) | 2018-06-07 |
| EP3440511B1 (en) | 2024-03-06 |
| IL261879B (en) | 2021-01-31 |
| CN109073981A (zh) | 2018-12-21 |
| EP3440511A1 (en) | 2019-02-13 |
| KR20180123156A (ko) | 2018-11-14 |
| JP6952711B2 (ja) | 2021-10-20 |
| WO2017176314A1 (en) | 2017-10-12 |
| JP2019517017A (ja) | 2019-06-20 |
| TWI710860B (zh) | 2020-11-21 |
| US10579768B2 (en) | 2020-03-03 |
| EP3440511A4 (en) | 2019-12-18 |
| IL261879A (en) | 2018-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109073981B (zh) | 通过填充因数调制的工艺兼容性改善 | |
| US7237221B2 (en) | Matrix optical process correction | |
| US9551924B2 (en) | Structure and method for fixing phase effects on EUV mask | |
| TWI471552B (zh) | 使用基於模型之細線方法之十字線缺陷檢測 | |
| US7906253B2 (en) | System and method for making photomasks | |
| CN109844647B (zh) | 基于衍射的聚焦度量 | |
| US20060085773A1 (en) | Creating and applying variable bias rules in rule-based optical proximity correction for reduced complexity | |
| US20080286664A1 (en) | Full Phase Shifting Mask In Damascene Process | |
| CN102662309A (zh) | 采用独立掩模误差模型的掩模验证系统和方法 | |
| EP1023641A1 (en) | Design rule checking system and method | |
| CN101589391A (zh) | 合并光刻掩膜的次分辨率辅助特征 | |
| JP2002357890A (ja) | 透過量調節マスクおよびその製造方法 | |
| US7424699B2 (en) | Modifying sub-resolution assist features according to rule-based and model-based techniques | |
| US9753364B2 (en) | Producing resist layers using fine segmentation | |
| Palmer et al. | Dual-mask model-based proximity correction for high-performance 0.10-um CMOS process | |
| US20070111112A1 (en) | Systems and methods for fabricating photo masks | |
| US20090128788A1 (en) | System and method for making photomasks | |
| US7945869B2 (en) | Mask and method for patterning a semiconductor wafer | |
| US7229722B2 (en) | Alternating phase shift mask design for high performance circuitry | |
| US20090004573A1 (en) | System and method for making photomasks | |
| CN110741374B (zh) | 光罩优化算法及最优目标设计 | |
| Hendrickx et al. | Hyper-NA imaging of 45nm node random CH layouts using inverse lithography | |
| CN115616870A (zh) | 用于源掩模优化和目标优化的图案选择 | |
| Lafferty et al. | Gray assist bar OPC | |
| KR100816244B1 (ko) | 반도체 소자용 마스크 및 이를 이용한 패턴 형성 방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |