KR102729098B1 - 에칭 하드웨어를 위한 수소 플라즈마 기반 세정 프로세스 - Google Patents

에칭 하드웨어를 위한 수소 플라즈마 기반 세정 프로세스 Download PDF

Info

Publication number
KR102729098B1
KR102729098B1 KR1020187022853A KR20187022853A KR102729098B1 KR 102729098 B1 KR102729098 B1 KR 102729098B1 KR 1020187022853 A KR1020187022853 A KR 1020187022853A KR 20187022853 A KR20187022853 A KR 20187022853A KR 102729098 B1 KR102729098 B1 KR 102729098B1
Authority
KR
South Korea
Prior art keywords
edge ring
containing precursor
gas mixture
etching
substrate
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
KR1020187022853A
Other languages
English (en)
Korean (ko)
Other versions
KR20180094122A (ko
Inventor
치란타 로드리고
징춘 장
릴리 지
안추안 왕
니틴 케이. 잉글
Original Assignee
어플라이드 머티어리얼스, 인코포레이티드
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 어플라이드 머티어리얼스, 인코포레이티드 filed Critical 어플라이드 머티어리얼스, 인코포레이티드
Publication of KR20180094122A publication Critical patent/KR20180094122A/ko
Application granted granted Critical
Publication of KR102729098B1 publication Critical patent/KR102729098B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/32431Constructional details of the reactor
    • H01J37/32798Further details of plasma apparatus not provided for in groups H01J37/3244 - H01J37/32788; special provisions for cleaning or maintenance of the apparatus
    • H01J37/32853Hygiene
    • H01J37/32862In situ cleaning of vessels and/or internal parts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/302Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
    • H01L21/306Chemical or electrical treatment, e.g. electrolytic etching
    • H01L21/3065Plasma etching; Reactive-ion etching
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
    • C23C16/4401Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
    • C23C16/4405Cleaning of reactor or parts inside the reactor by using reactive gases
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/32009Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
    • H01J37/32357Generation remote from the workpiece, e.g. down-stream
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/32431Constructional details of the reactor
    • H01J37/3244Gas supply means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02041Cleaning
    • H01L21/02043Cleaning before device manufacture, i.e. Begin-Of-Line process
    • H01L21/02046Dry cleaning only
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02107Forming insulating materials on a substrate
    • H01L21/02296Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
    • H01L21/02299Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer pre-treatment
    • H01L21/02312Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer pre-treatment treatment by exposure to a gas or vapour
    • H01L21/02315Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer pre-treatment treatment by exposure to a gas or vapour treatment by exposure to a plasma
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02107Forming insulating materials on a substrate
    • H01L21/02296Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
    • H01L21/02318Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
    • H01L21/02337Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour
    • H01L21/0234Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour treatment by exposure to a plasma
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31Treatment 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
    • H01L21/3105After-treatment
    • H01L21/311Etching the insulating layers by chemical or physical means
    • H01L21/31105Etching inorganic layers
    • H01L21/31111Etching inorganic layers by chemical means
    • H01L21/31116Etching inorganic layers by chemical means by dry-etching
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31Treatment 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
    • H01L21/3105After-treatment
    • H01L21/311Etching the insulating layers by chemical or physical means
    • H01L21/31127Etching organic layers
    • H01L21/31133Etching organic layers by chemical means
    • H01L21/31138Etching organic layers by chemical means by dry-etching
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31Treatment 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
    • H01L21/3205Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
    • H01L21/321After treatment
    • H01L21/3213Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
    • H01L21/32133Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
    • H01L21/32135Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
    • H01L21/32136Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/67005Apparatus not specifically provided for elsewhere
    • H01L21/67011Apparatus for manufacture or treatment
    • H01L21/67017Apparatus for fluid treatment
    • H01L21/67028Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
    • H01L21/67034Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for drying
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/67005Apparatus not specifically provided for elsewhere
    • H01L21/67011Apparatus for manufacture or treatment
    • H01L21/67017Apparatus for fluid treatment
    • H01L21/67063Apparatus for fluid treatment for etching
    • H01L21/67069Apparatus for fluid treatment for etching for drying etching
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/32Processing objects by plasma generation
    • H01J2237/33Processing objects by plasma generation characterised by the type of processing
    • H01J2237/334Etching
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/32431Constructional details of the reactor
    • H01J37/32715Workpiece holder
    • H01J37/32724Temperature
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S438/00Semiconductor device manufacturing: process
    • Y10S438/905Cleaning of reaction chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Drying Of Semiconductors (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
KR1020187022853A 2016-01-13 2016-12-29 에칭 하드웨어를 위한 수소 플라즈마 기반 세정 프로세스 Active KR102729098B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662278255P 2016-01-13 2016-01-13
US62/278,255 2016-01-13
PCT/US2016/069204 WO2017123423A1 (en) 2016-01-13 2016-12-29 Hydrogen plasma based cleaning process for etch hardware

Publications (2)

Publication Number Publication Date
KR20180094122A KR20180094122A (ko) 2018-08-22
KR102729098B1 true KR102729098B1 (ko) 2024-11-13

Family

ID=59275910

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187022853A Active KR102729098B1 (ko) 2016-01-13 2016-12-29 에칭 하드웨어를 위한 수소 플라즈마 기반 세정 프로세스

Country Status (6)

Country Link
US (1) US10026597B2 (enExample)
JP (1) JP6920309B2 (enExample)
KR (1) KR102729098B1 (enExample)
CN (2) CN108292601A (enExample)
TW (2) TWI768564B (enExample)
WO (1) WO2017123423A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102157876B1 (ko) * 2018-08-28 2020-09-18 한국기계연구원 리모트 플라즈마 장치를 구비한 진공 펌프 시스템
JP7604145B2 (ja) * 2019-11-25 2024-12-23 東京エレクトロン株式会社 基板処理方法及びプラズマ処理装置
CN113113280B (zh) * 2020-01-09 2022-06-10 江苏鲁汶仪器有限公司 等离子体处理系统及其开合法拉第组件
KR102860972B1 (ko) 2020-06-10 2025-09-16 삼성전자주식회사 반도체 증착 모니터링 장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006351696A (ja) 2005-06-14 2006-12-28 Shibaura Mechatronics Corp 半導体処理装置用部材およびそれを備えた半導体処理装置
JP2014045063A (ja) 2012-08-27 2014-03-13 Tokyo Electron Ltd プラズマ処理方法、及びプラズマ処理装置
JP2014204001A (ja) 2013-04-05 2014-10-27 東京エレクトロン株式会社 プラズマ処理方法及びプラズマ処理装置
JP2015167155A (ja) 2014-03-03 2015-09-24 東京エレクトロン株式会社 プラズマ処理装置のクリーニング方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6090304A (en) * 1997-08-28 2000-07-18 Lam Research Corporation Methods for selective plasma etch
US6843858B2 (en) * 2002-04-02 2005-01-18 Applied Materials, Inc. Method of cleaning a semiconductor processing chamber
US20060051966A1 (en) * 2004-02-26 2006-03-09 Applied Materials, Inc. In-situ chamber clean process to remove by-product deposits from chemical vapor etch chamber
JP5184890B2 (ja) * 2004-12-21 2013-04-17 アプライド マテリアルズ インコーポレイテッド 基板のための処理チャンバ
WO2006069085A2 (en) * 2004-12-21 2006-06-29 Applied Materials, Inc. An in-situ chamber clean process to remove by-product deposits from chemical vapor etch chamber
US20060254613A1 (en) * 2005-05-16 2006-11-16 Dingjun Wu Method and process for reactive gas cleaning of tool parts
US20100099263A1 (en) * 2008-10-20 2010-04-22 Applied Materials, Inc. Nf3/h2 remote plasma process with high etch selectivity of psg/bpsg over thermal oxide and low density surface defects
WO2012108321A1 (ja) * 2011-02-08 2012-08-16 株式会社アルバック ラジカルエッチング装置及び方法
KR20130012671A (ko) * 2011-07-26 2013-02-05 삼성전자주식회사 반도체 소자 제조 장비의 세정 방법
JP6177601B2 (ja) * 2013-06-25 2017-08-09 東京エレクトロン株式会社 クリーニング方法及び基板処理装置
US9824865B2 (en) * 2014-03-05 2017-11-21 Lam Research Corporation Waferless clean in dielectric etch process
US9397011B1 (en) 2015-04-13 2016-07-19 Lam Research Corporation Systems and methods for reducing copper contamination due to substrate processing chambers with components made of alloys including copper

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006351696A (ja) 2005-06-14 2006-12-28 Shibaura Mechatronics Corp 半導体処理装置用部材およびそれを備えた半導体処理装置
JP2014045063A (ja) 2012-08-27 2014-03-13 Tokyo Electron Ltd プラズマ処理方法、及びプラズマ処理装置
JP2014204001A (ja) 2013-04-05 2014-10-27 東京エレクトロン株式会社 プラズマ処理方法及びプラズマ処理装置
JP2015167155A (ja) 2014-03-03 2015-09-24 東京エレクトロン株式会社 プラズマ処理装置のクリーニング方法

Also Published As

Publication number Publication date
US10026597B2 (en) 2018-07-17
CN108292601A (zh) 2018-07-17
KR20180094122A (ko) 2018-08-22
JP2019502269A (ja) 2019-01-24
JP6920309B2 (ja) 2021-08-18
CN117153656A (zh) 2023-12-01
TWI767897B (zh) 2022-06-21
TW202122634A (zh) 2021-06-16
WO2017123423A1 (en) 2017-07-20
TWI768564B (zh) 2022-06-21
TW201736642A (zh) 2017-10-16
US20170200590A1 (en) 2017-07-13

Similar Documents

Publication Publication Date Title
US10566206B2 (en) Systems and methods for anisotropic material breakthrough
KR102483741B1 (ko) 진보된 패터닝 프로세스에서의 스페이서 퇴적 및 선택적 제거를 위한 장치 및 방법들
US8980758B1 (en) Methods for etching an etching stop layer utilizing a cyclical etching process
US9543163B2 (en) Methods for forming features in a material layer utilizing a combination of a main etching and a cyclical etching process
US9960049B2 (en) Two-step fluorine radical etch of hafnium oxide
US12230505B2 (en) Etching apparatus
TW202205428A (zh) 用於高深寬比結構之移除方法
US11335565B2 (en) Systems and methods to form airgaps
KR102729098B1 (ko) 에칭 하드웨어를 위한 수소 플라즈마 기반 세정 프로세스
US10755941B2 (en) Self-limiting selective etching systems and methods
US20150064921A1 (en) Low temperature plasma anneal process for sublimative etch processes
US11328909B2 (en) Chamber conditioning and removal processes
US10872778B2 (en) Systems and methods utilizing solid-phase etchants
US20240290623A1 (en) Processing methods to improve etched silicon-and-germanium-containing material surface roughness
US20250331267A1 (en) Self-limited etching of low-k materials
US20250391666A1 (en) Residue removal after etch processes using a boron-containing etchant
US20240282585A1 (en) Treatments to improve etched silicon-and-germanium-containing material surface roughness
US20240258116A1 (en) Systems and methods for titanium-containing film removal

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

PA0201 Request for examination

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

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

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

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

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

PE0701 Decision of registration

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

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