SG11202109069WA - Need for si3n4 selective removal by wet chemistry - Google Patents

Need for si3n4 selective removal by wet chemistry

Info

Publication number
SG11202109069WA
SG11202109069WA SG11202109069WA SG11202109069WA SG11202109069WA SG 11202109069W A SG11202109069W A SG 11202109069WA SG 11202109069W A SG11202109069W A SG 11202109069WA SG 11202109069W A SG11202109069W A SG 11202109069WA SG 11202109069W A SG11202109069W A SG 11202109069WA
Authority
SG
Singapore
Prior art keywords
si3n4
need
selective removal
wet chemistry
chemistry
Prior art date
Application number
SG11202109069WA
Other languages
English (en)
Inventor
Weimin Li
Original Assignee
Weimin Li
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 Weimin Li filed Critical Weimin Li
Publication of SG11202109069WA publication Critical patent/SG11202109069WA/en

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • 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
    • H01L21/02164—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 oxide, e.g. SiO2
    • 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
    • H01L21/67—Apparatus 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
    • H01L21/67005—Apparatus not specifically provided for elsewhere
    • H01L21/67011—Apparatus for manufacture or treatment
    • H01L21/67017—Apparatus for fluid treatment
    • H01L21/67063—Apparatus for fluid treatment for etching
    • H01L21/67075—Apparatus for fluid treatment for etching for wet 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
    • H01L21/67—Apparatus 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
    • H01L21/67005—Apparatus not specifically provided for elsewhere
    • H01L21/67242—Apparatus for monitoring, sorting or marking
    • H01L21/67253—Process monitoring, e.g. flow or thickness monitoring
    • 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
    • H01L21/67—Apparatus 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
    • H01L21/67005—Apparatus not specifically provided for elsewhere
    • H01L21/67011—Apparatus for manufacture or treatment
    • H01L21/67017—Apparatus for fluid treatment
    • H01L21/67063—Apparatus for fluid treatment for etching
    • H01L21/67069—Apparatus for fluid treatment for etching for drying etching
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B69/00—Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Weting (AREA)
SG11202109069WA 2019-02-20 2020-02-20 Need for si3n4 selective removal by wet chemistry SG11202109069WA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962808046P 2019-02-20 2019-02-20
PCT/US2020/019097 WO2020172454A1 (en) 2019-02-20 2020-02-20 Need for si3n4 selective removal by wet chemistry

Publications (1)

Publication Number Publication Date
SG11202109069WA true SG11202109069WA (en) 2021-09-29

Family

ID=72144736

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202109069WA SG11202109069WA (en) 2019-02-20 2020-02-20 Need for si3n4 selective removal by wet chemistry

Country Status (6)

Country Link
US (1) US20210384037A1 (ja)
JP (1) JP2022521267A (ja)
KR (1) KR20210129692A (ja)
CN (1) CN113632199A (ja)
SG (1) SG11202109069WA (ja)
WO (1) WO2020172454A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115148643A (zh) * 2021-10-27 2022-10-04 中国科学院上海微系统与信息技术研究所 湿法蚀刻设备及湿法蚀刻方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3072876B2 (ja) * 1993-09-17 2000-08-07 日曹エンジニアリング株式会社 エッチング液の精製方法
US6117351A (en) * 1998-04-06 2000-09-12 Micron Technology, Inc. Method for etching dielectric films
TWI233157B (en) * 2002-09-17 2005-05-21 M Fsi Ltd Regeneration process of etching solution, etching process, and etching system
KR100655429B1 (ko) * 2005-11-10 2006-12-08 삼성전자주식회사 인산 용액을 재생하는 방법 및 장치, 그리고 인산 용액을사용하여 기판을 처리하는 장치
CN101605869B (zh) * 2006-12-21 2014-03-05 高级技术材料公司 选择性除去四氮化三硅的组合物和方法
US8298435B2 (en) * 2007-10-19 2012-10-30 International Business Machines Corporation Selective etching bath methods
US8105851B1 (en) * 2010-09-23 2012-01-31 Taiwan Semiconductor Manufacturing Company, Ltd. Nitride film wet stripping
US10269591B2 (en) * 2013-10-23 2019-04-23 Taiwan Semiconductor Manufacturing Co., Ltd. Method of selectively removing silicon nitride and single wafer etching apparatus thereof
WO2015127177A1 (en) * 2014-02-21 2015-08-27 Terves, Inc. Manufacture of controlled rate dissolving materials
US10964559B2 (en) * 2014-06-30 2021-03-30 Taiwan Semiconductor Manufacturing Co., Ltd. Wafer etching apparatus and method for controlling etch bath of wafer
JP6940232B2 (ja) * 2016-09-23 2021-09-22 株式会社Ｓｃｒｅｅｎホールディングス 基板処理装置及び基板処理方法
US11229856B2 (en) * 2017-09-29 2022-01-25 Taiwan Semiconductor Manufacturing Co., Ltd. Etching solution recycling system and method for wafer etching apparatus

Also Published As

Publication number Publication date
WO2020172454A1 (en) 2020-08-27
JP2022521267A (ja) 2022-04-06
CN113632199A (zh) 2021-11-09
KR20210129692A (ko) 2021-10-28
US20210384037A1 (en) 2021-12-09

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