KR102788661B1 - 필 팩터 변조에 의한 공정 호환성 개선 - Google Patents

필 팩터 변조에 의한 공정 호환성 개선 Download PDF

Info

Publication number
KR102788661B1
KR102788661B1 KR1020187031153A KR20187031153A KR102788661B1 KR 102788661 B1 KR102788661 B1 KR 102788661B1 KR 1020187031153 A KR1020187031153 A KR 1020187031153A KR 20187031153 A KR20187031153 A KR 20187031153A KR 102788661 B1 KR102788661 B1 KR 102788661B1
Authority
KR
South Korea
Prior art keywords
target
elements
pitch
periodic
metrology
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
Application number
KR1020187031153A
Other languages
English (en)
Korean (ko)
Other versions
KR20180123156A (ko
Inventor
블라디미르 레빈스키
에이탄 하자즈
탈 이츠코비치
샤론 아하론
마이클 이 아델
유리 파스코버
다리아 네그리
유발 루바쉐브스키
암논 마나센
명준 이
마크 디 스미스
Original Assignee
케이엘에이 코포레이션
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 케이엘에이 코포레이션 filed Critical 케이엘에이 코포레이션
Publication of KR20180123156A publication Critical patent/KR20180123156A/ko
Application granted granted Critical
Publication of KR102788661B1 publication Critical patent/KR102788661B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G03F7/0002—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
    • G03F7/70681—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
    • G03F7/70—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]
    • H01L21/0274—
    • H01L22/12—
    • 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)
KR1020187031153A 2016-04-04 2016-11-04 필 팩터 변조에 의한 공정 호환성 개선 Active KR102788661B1 (ko)

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
KR20180123156A KR20180123156A (ko) 2018-11-14
KR102788661B1 true KR102788661B1 (ko) 2025-03-28

Family

ID=60001339

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187031153A Active KR102788661B1 (ko) 2016-04-04 2016-11-04 필 팩터 변조에 의한 공정 호환성 개선

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)

* Cited by examiner, † Cited by third party
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006048067A (ja) * 2001-02-28 2006-02-16 Asml Masktools Bv 極端相互作用ピッチ領域を識別する方法、マスクパターンを設計する方法およびマスクを製造する方法、デバイス製造方法およびコンピュータプログラム
JP2006293081A (ja) * 2005-04-12 2006-10-26 Toshiba Corp 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
WO2015109036A1 (en) 2014-01-15 2015-07-23 Kla-Tencor Corporation Overlay measurement of pitch walk in multiply patterned targets
US20150268564A1 (en) 2013-09-04 2015-09-24 Taiwan Semiconductor Manufacturing Company, Ltd. Method and System For Overlay Control
WO2016030255A2 (en) * 2014-08-29 2016-03-03 Asml Netherlands B.V. Metrology method, target and substrate

Family Cites Families (19)

* Cited by examiner, † Cited by third party
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
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
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
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
JP5529391B2 (ja) * 2008-03-21 2014-06-25 ルネサスエレクトロニクス株式会社 ハーフトーン型位相シフトマスク、そのハーフトーン型位相シフトマスクを有する半導体装置の製造装置、およびそのハーフトーン型位相シフトマスクを用いた半導体装置の製造方法
JP5627394B2 (ja) * 2010-10-29 2014-11-19 キヤノン株式会社 マスクのデータ及び露光条件を決定するためのプログラム、決定方法、マスク製造方法、露光方法及びデバイス製造方法
US8913237B2 (en) * 2012-06-26 2014-12-16 Kla-Tencor Corporation Device-like scatterometry overlay targets
WO2015009619A1 (en) * 2013-07-15 2015-01-22 Kla-Tencor Corporation Producing resist layers using fine segmentation
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006048067A (ja) * 2001-02-28 2006-02-16 Asml Masktools Bv 極端相互作用ピッチ領域を識別する方法、マスクパターンを設計する方法およびマスクを製造する方法、デバイス製造方法およびコンピュータプログラム
JP2006293081A (ja) * 2005-04-12 2006-10-26 Toshiba Corp 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
US20150268564A1 (en) 2013-09-04 2015-09-24 Taiwan Semiconductor Manufacturing Company, Ltd. Method and System For Overlay Control
WO2015109036A1 (en) 2014-01-15 2015-07-23 Kla-Tencor Corporation Overlay measurement of pitch walk in multiply patterned targets
WO2016030255A2 (en) * 2014-08-29 2016-03-03 Asml Netherlands B.V. Metrology method, target and substrate

Also Published As

Publication number Publication date
TW201800873A (zh) 2018-01-01
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
CN109073981B (zh) 2021-09-24
EP3440511A4 (en) 2019-12-18
IL261879A (en) 2018-10-31

Similar Documents

Publication Publication Date Title
KR102788661B1 (ko) 필 팩터 변조에 의한 공정 호환성 개선
US8056029B2 (en) Merging sub-resolution assist features of a photolithographic mask
US7659042B2 (en) Full phase shifting mask in damascene process
US10025175B2 (en) Method and system to prepare, manufacture and inspect mask patterns for a semiconductor device
JP2005037945A (ja) 交番位相シフト・マスク・リソグラフィのマスク・パターンの生成
US7424699B2 (en) Modifying sub-resolution assist features according to rule-based and model-based techniques
US9753364B2 (en) Producing resist layers using fine segmentation
Wiaux et al. Stitching enablement for anamorphic imaging: a~ 1μm exclusion band and its implications
CN112219271B (zh) 用以识别与光学邻近校正相关的系统性缺陷的混合设计布局
US7945869B2 (en) Mask and method for patterning a semiconductor wafer
US7229722B2 (en) Alternating phase shift mask design for high performance circuitry
US7461367B2 (en) Modifying merged sub-resolution assist features of a photolithographic mask
TWI536093B (zh) 產生方法，儲存媒體及資訊處理裝置
Pang et al. Model-based MPC enables curvilinear ILT using either VSB or multi-beam mask writers
KR20200005682A (ko) 레티클 최적화 알고리즘들 및 최적의 타겟 설계
KR100816244B1 (ko) 반도체 소자용 마스크 및 이를 이용한 패턴 형성 방법
KR20100038629A (ko) 레이저 2ｎｄ 프로세스를 이용한 포토마스크 제조공정
CN120507938A (zh) Euv成像中的亚分辨率光栅
CN121693698A (zh) 用于生成耐重叠掩模图案设计的方法和系统
Wang et al. Development of a complementary phase-shift mask process for 90-nm node technology
Chiang et al. Systematic Yield-Lithography

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

PN2301 Change of applicant

St.27 status event code: A-3-3-R10-R13-asn-PN2301

St.27 status event code: A-3-3-R10-R11-asn-PN2301

A201 Request for examination
E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

D13-X000 Search requested

St.27 status event code: A-1-2-D10-D13-srh-X000

D14-X000 Search report completed

St.27 status event code: A-1-2-D10-D14-srh-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

P22-X000 Classification modified

St.27 status event code: A-2-2-P10-P22-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000