SG11202110021PA - Silicon nitride etching liquid composition - Google Patents

Silicon nitride etching liquid composition

Info

Publication number
SG11202110021PA
SG11202110021PA SG11202110021PA SG11202110021PA SG11202110021PA SG 11202110021P A SG11202110021P A SG 11202110021PA SG 11202110021P A SG11202110021P A SG 11202110021PA SG 11202110021P A SG11202110021P A SG 11202110021PA SG 11202110021P A SG11202110021P A SG 11202110021PA
Authority
SG
Singapore
Prior art keywords
silicon nitride
liquid composition
etching liquid
nitride etching
composition
Prior art date
Application number
SG11202110021PA
Other languages
English (en)
Inventor
Takuo Ohwada
Kohei Mochida
Yuki Yoshida
Original Assignee
Kanto Kagaku
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=72337823&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG11202110021P(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kanto Kagaku filed Critical Kanto Kagaku
Publication of SG11202110021PA publication Critical patent/SG11202110021PA/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K13/00—Etching, surface-brightening or pickling compositions
    • C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
    • 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
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
    • H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
    • H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
    • H01L21/0217—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
    • H01L29/76—Unipolar devices, e.g. field effect transistors
    • H01L29/772—Field effect transistors
    • H01L29/78—Field effect transistors with field effect produced by an insulated gate
    • H01L29/788—Field effect transistors with field effect produced by an insulated gate with floating gate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
    • H01L29/76—Unipolar devices, e.g. field effect transistors
    • H01L29/772—Field effect transistors
    • H01L29/78—Field effect transistors with field effect produced by an insulated gate
    • H01L29/792—Field effect transistors with field effect produced by an insulated gate with charge trapping gate insulator, e.g. MNOS-memory transistors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
    • H10B41/20—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels
    • H10B41/23—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels
    • H10B41/27—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels the channels comprising vertical portions, e.g. U-shaped channels
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B43/00—EEPROM devices comprising charge-trapping gate insulators
    • H10B43/20—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional arrangements, e.g. with cells on different height levels
    • H10B43/23—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels
    • H10B43/27—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels the channels comprising vertical portions, e.g. U-shaped channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Semiconductor Memories (AREA)
  • Weting (AREA)
  • Non-Volatile Memory (AREA)
SG11202110021PA 2019-03-07 2020-03-06 Silicon nitride etching liquid composition SG11202110021PA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019041726A JP7233252B2 (ja) 2019-03-07 2019-03-07 窒化ケイ素エッチング液組成物
PCT/JP2020/009600 WO2020179901A1 (ja) 2019-03-07 2020-03-06 窒化ケイ素エッチング液組成物

Publications (1)

Publication Number Publication Date
SG11202110021PA true SG11202110021PA (en) 2021-10-28

Family

ID=72337823

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202110021PA SG11202110021PA (en) 2019-03-07 2020-03-06 Silicon nitride etching liquid composition

Country Status (6)

Country Link
JP (1) JP7233252B2 (ja)
KR (1) KR20210134971A (ja)
CN (1) CN113544822A (ja)
SG (1) SG11202110021PA (ja)
TW (1) TWI841696B (ja)
WO (1) WO2020179901A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11609671B2 (en) 2020-11-23 2023-03-21 Lg Display Co., Ltd. Touch display apparatus
KR20230030428A (ko) * 2021-08-25 2023-03-06 삼성에스디아이 주식회사 실리콘 질화막 식각용 조성물 및 이를 이용한 실리콘 질화막 식각 방법
JP2023168669A (ja) * 2022-05-16 2023-11-29 関東化学株式会社 窒化ケイ素エッチング液組成物
CN115287071B (zh) * 2022-07-06 2023-08-25 湖北兴福电子材料股份有限公司 一种无c高选择性氮化硅蚀刻液
CN115894077B (zh) * 2022-10-10 2023-07-25 湖北兴福电子材料股份有限公司 3d nand结构片的选择性蚀刻液
CN115873599B (zh) * 2022-10-10 2024-05-17 湖北兴福电子材料股份有限公司 氮化硅/氧化硅的3d nand结构片的选择性蚀刻液
WO2024122103A1 (ja) * 2022-12-08 2024-06-13 ラサ工業株式会社 エッチング液組成物
CN116855251B (zh) * 2023-06-30 2024-07-09 浙江奥首材料科技有限公司 一种高选择性半导体芯片二氧化硅蚀刻液、制备方法及其应用

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092211A (en) * 1976-11-18 1978-05-30 Northern Telecom Limited Control of etch rate of silicon dioxide in boiling phosphoric acid
KR101782329B1 (ko) * 2011-10-18 2017-09-28 삼성전자주식회사 식각용 조성물 및 이를 이용하는 반도체 기억 소자의 형성 방법
KR102443370B1 (ko) * 2015-11-20 2022-09-15 동우 화인켐 주식회사 실리콘 질화막 식각액 조성물
KR101828437B1 (ko) * 2017-04-06 2018-03-29 주식회사 디엔에스 실리콘 질화막 식각용 조성물.

Also Published As

Publication number Publication date
KR20210134971A (ko) 2021-11-11
JP7233252B2 (ja) 2023-03-06
JP2020145343A (ja) 2020-09-10
TW202043439A (zh) 2020-12-01
CN113544822A (zh) 2021-10-22
TWI841696B (zh) 2024-05-11
WO2020179901A1 (ja) 2020-09-10

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