ES2767108T3 - Ataque con vapor de dióxido de silicio con selectividad mejorada - Google Patents

Ataque con vapor de dióxido de silicio con selectividad mejorada Download PDF

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Publication number
ES2767108T3
ES2767108T3 ES12708367T ES12708367T ES2767108T3 ES 2767108 T3 ES2767108 T3 ES 2767108T3 ES 12708367 T ES12708367 T ES 12708367T ES 12708367 T ES12708367 T ES 12708367T ES 2767108 T3 ES2767108 T3 ES 2767108T3
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ES
Spain
Prior art keywords
attack
silicon dioxide
process chamber
silicon nitride
gas
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
ES12708367T
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English (en)
Spanish (es)
Inventor
Anthony O'hara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Memsstar Ltd
Original Assignee
Memsstar Ltd
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 Memsstar Ltd filed Critical Memsstar Ltd
Application granted granted Critical
Publication of ES2767108T3 publication Critical patent/ES2767108T3/es
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/44—Compositions for etching metallic material from a metallic material substrate of different composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
    • B81C1/00436—Shaping materials, i.e. techniques for structuring the substrate or the layers on the substrate
    • B81C1/00555—Achieving a desired geometry, i.e. controlling etch rates, anisotropy or selectivity
    • B81C1/00595—Control etch selectivity
    • H10P72/0418—
    • 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
    • H01L21/04—Manufacture 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
    • H01L21/18—Manufacture 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
    • H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/302—Treatment 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
    • H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
    • H01L21/30604—Chemical etching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
    • B81C1/00436—Shaping materials, i.e. techniques for structuring the substrate or the layers on the substrate
    • B81C1/00523—Etching material
    • B81C1/00531—Dry etching
    • 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
    • H01L21/04—Manufacture 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
    • H01L21/18—Manufacture 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
    • H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31—Treatment 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
    • H01L21/3105—After-treatment
    • H01L21/311—Etching the insulating layers by chemical or physical means
    • H01L21/31105—Etching inorganic layers
    • H01L21/31111—Etching inorganic layers by chemical means
    • H01L21/31116—Etching inorganic layers by chemical means by dry-etching
    • H10P50/246—
    • H10P50/28—
    • H10P50/283—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C2201/00—Manufacture or treatment of microstructural devices or systems
    • B81C2201/01—Manufacture or treatment of microstructural devices or systems in or on a substrate
    • B81C2201/0101—Shaping material; Structuring the bulk substrate or layers on the substrate; Film patterning
    • B81C2201/0102—Surface micromachining
    • B81C2201/0105—Sacrificial layer
    • B81C2201/0109—Sacrificial layers not provided for in B81C2201/0107 - B81C2201/0108
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C2201/00—Manufacture or treatment of microstructural devices or systems
    • B81C2201/01—Manufacture or treatment of microstructural devices or systems in or on a substrate
    • B81C2201/0101—Shaping material; Structuring the bulk substrate or layers on the substrate; Film patterning
    • B81C2201/0128—Processes for removing material
    • B81C2201/013—Etching
    • B81C2201/0132—Dry etching, i.e. plasma etching, barrel etching, reactive ion etching [RIE], sputter etching or ion milling

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
  • Geometry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Drying Of Semiconductors (AREA)
  • Micromachines (AREA)
  • Formation Of Insulating Films (AREA)
ES12708367T 2011-01-24 2012-01-24 Ataque con vapor de dióxido de silicio con selectividad mejorada Active ES2767108T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1101188.9A GB2487716B (en) 2011-01-24 2011-01-24 Vapour Etch of Silicon Dioxide with Improved Selectivity
PCT/GB2012/050144 WO2012101431A1 (en) 2011-01-24 2012-01-24 Vapour etch of silicon dioxide with improved selectivity

Publications (1)

Publication Number Publication Date
ES2767108T3 true ES2767108T3 (es) 2020-06-16

Family

ID=43769521

Family Applications (1)

Application Number Title Priority Date Filing Date
ES12708367T Active ES2767108T3 (es) 2011-01-24 2012-01-24 Ataque con vapor de dióxido de silicio con selectividad mejorada

Country Status (9)

Country Link
US (1) US10354884B2 (enExample)
EP (1) EP2668312B8 (enExample)
JP (1) JP5864612B2 (enExample)
KR (1) KR101863178B1 (enExample)
CN (1) CN103328688B (enExample)
DK (1) DK2668312T3 (enExample)
ES (1) ES2767108T3 (enExample)
GB (1) GB2487716B (enExample)
WO (1) WO2012101431A1 (enExample)

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CN105632918A (zh) * 2014-10-30 2016-06-01 中国科学院微电子研究所 一种FinFet器件源漏外延前自然氧化层的去除方法
CN104316577B (zh) * 2014-10-31 2016-12-07 中国矿业大学 一种基于倒装焊封装的甲烷传感器及其制备方法与应用
JP6530289B2 (ja) * 2015-09-11 2019-06-12 東芝メモリ株式会社 分析前処理装置
WO2017176027A1 (ko) * 2016-04-05 2017-10-12 주식회사 테스 실리콘산화막의 선택적 식각 방법
US10497579B2 (en) * 2017-05-31 2019-12-03 Applied Materials, Inc. Water-free etching methods
CN108847391B (zh) * 2018-06-01 2021-06-08 北京北方华创微电子装备有限公司 一种非等离子干法刻蚀方法
CN110718459A (zh) * 2018-07-13 2020-01-21 北京北方华创微电子装备有限公司 非等离子体刻蚀方法及刻蚀设备
GB2580858B (en) * 2018-09-07 2021-07-21 Memsstar Ltd A method for detecting defects in thin film layers
US11997800B2 (en) 2019-11-06 2024-05-28 Ttm Technologies, Inc. Systems and methods for removing undesired metal within vias from printed circuit boards
GB2598262B (en) 2019-11-14 2022-08-17 Memsstar Ltd Method of manufacturing a microstructure
US12125708B2 (en) * 2020-04-10 2024-10-22 Hitachi High-Tech Corporation Etching method
JP7312160B2 (ja) * 2020-12-28 2023-07-20 株式会社アルバック エッチング装置及びエッチング方法
US11581242B2 (en) * 2021-01-14 2023-02-14 Tokyo Electron Limited Integrated high efficiency gate on gate cooling
GB2606747B (en) 2021-05-19 2024-11-20 Memsstar Ltd Method of manufacturing a microstructure
EP4219391A1 (de) 2022-01-28 2023-08-02 Hahn-Schickard-Gesellschaft für angewandte Forschung e.V. Durchkontaktierung zum betreiben eines mems-bauteiles in einer hermetischen kavität
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US20250246437A1 (en) * 2024-01-26 2025-07-31 Tokyo Electron Limited Selective etching in semiconductor devices

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Also Published As

Publication number Publication date
US10354884B2 (en) 2019-07-16
GB2487716B (en) 2015-06-03
CN103328688A (zh) 2013-09-25
CN103328688B (zh) 2016-03-23
EP2668312B1 (en) 2019-11-20
KR20140039163A (ko) 2014-04-01
EP2668312B8 (en) 2019-12-25
GB2487716A (en) 2012-08-08
JP2014504805A (ja) 2014-02-24
US20140017901A1 (en) 2014-01-16
JP5864612B2 (ja) 2016-02-17
WO2012101431A1 (en) 2012-08-02
EP2668312A1 (en) 2013-12-04
DK2668312T3 (da) 2020-02-17
GB201101188D0 (en) 2011-03-09
KR101863178B1 (ko) 2018-05-31

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