SG10201510234UA - Method for forming stair-step structures - Google Patents

Method for forming stair-step structures

Info

Publication number
SG10201510234UA
SG10201510234UA SG10201510234UA SG10201510234UA SG10201510234UA SG 10201510234U A SG10201510234U A SG 10201510234UA SG 10201510234U A SG10201510234U A SG 10201510234UA SG 10201510234U A SG10201510234U A SG 10201510234UA SG 10201510234U A SG10201510234U A SG 10201510234UA
Authority
SG
Singapore
Prior art keywords
step structures
forming stair
stair
forming
structures
Prior art date
Application number
SG10201510234UA
Other languages
English (en)
Inventor
Qian Fu
Hyun-Yong Yu
Ce Qin
Original Assignee
Lam Res Corp
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
Priority claimed from US12/968,210 external-priority patent/US8329051B2/en
Application filed by Lam Res Corp filed Critical Lam Res Corp
Publication of SG10201510234UA publication Critical patent/SG10201510234UA/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
    • H01L21/31144—Etching the insulating layers by chemical or physical means using masks
    • 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
    • H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
    • H01L21/321—After treatment
    • H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
    • H01L21/32139—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer using masks
    • 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
    • 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
    • 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
    • H01L21/683—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 for supporting or gripping
    • H01L21/6831—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 for supporting or gripping using electrostatic chucks
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
    • 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
    • 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
    • H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
    • H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
    • H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
    • H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
    • H01L21/02274—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition in the presence of a plasma [PECVD]
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Power Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Drying Of Semiconductors (AREA)
  • Semiconductor Memories (AREA)
SG10201510234UA 2010-12-14 2011-11-22 Method for forming stair-step structures SG10201510234UA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/968,210 US8329051B2 (en) 2010-12-14 2010-12-14 Method for forming stair-step structures
US13/186,255 US8535549B2 (en) 2010-12-14 2011-07-19 Method for forming stair-step structures

Publications (1)

Publication Number Publication Date
SG10201510234UA true SG10201510234UA (en) 2016-01-28

Family

ID=46199802

Family Applications (2)

Application Number Title Priority Date Filing Date
SG2013038799A SG190345A1 (en) 2010-12-14 2011-11-22 Method for forming stair-step structures
SG10201510234UA SG10201510234UA (en) 2010-12-14 2011-11-22 Method for forming stair-step structures

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SG2013038799A SG190345A1 (en) 2010-12-14 2011-11-22 Method for forming stair-step structures

Country Status (5)

Country Link
US (1) US8535549B2 (zh)
KR (1) KR101888217B1 (zh)
SG (2) SG190345A1 (zh)
TW (2) TWI584360B (zh)
WO (1) WO2012082336A1 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8329051B2 (en) 2010-12-14 2012-12-11 Lam Research Corporation Method for forming stair-step structures
US9698157B2 (en) * 2015-03-12 2017-07-04 Kabushiki Kaisha Toshiba Microstructure device and method for manufacturing the same
US9673057B2 (en) 2015-03-23 2017-06-06 Lam Research Corporation Method for forming stair-step structures
KR102480002B1 (ko) * 2015-09-23 2022-12-22 삼성전자주식회사 반도체 소자 및 그 제조방법, 그리고 패턴 형성 방법
US9741563B2 (en) * 2016-01-27 2017-08-22 Lam Research Corporation Hybrid stair-step etch
US9997366B2 (en) * 2016-10-19 2018-06-12 Lam Research Corporation Silicon oxide silicon nitride stack ion-assisted etch

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5532089A (en) 1993-12-23 1996-07-02 International Business Machines Corporation Simplified fabrication methods for rim phase-shift masks
JPH09146259A (ja) * 1995-08-29 1997-06-06 Ricoh Opt Ind Co Ltd グラデーションマスクとその製造方法およびグラデーションマスクを用いた特殊表面形状の創成方法
US5967795A (en) * 1995-08-30 1999-10-19 Asea Brown Boveri Ab SiC semiconductor device comprising a pn junction with a voltage absorbing edge
JP2000091308A (ja) 1998-09-07 2000-03-31 Sony Corp 半導体装置の製造方法
KR100297737B1 (ko) 1998-09-24 2001-11-01 윤종용 반도체소자의 트렌치 소자 분리 방법
US20020086547A1 (en) 2000-02-17 2002-07-04 Applied Materials, Inc. Etch pattern definition using a CVD organic layer as an anti-reflection coating and hardmask
US6727158B2 (en) 2001-11-08 2004-04-27 Micron Technology, Inc. Structure and method for forming a faceted opening and a layer filling therein
TWI273637B (en) * 2002-05-17 2007-02-11 Semiconductor Energy Lab Manufacturing method of semiconductor device
US7601646B2 (en) 2004-07-21 2009-10-13 International Business Machines Corporation Top-oxide-early process and array top oxide planarization
US7396711B2 (en) 2005-12-27 2008-07-08 Intel Corporation Method of fabricating a multi-cornered film
US7662718B2 (en) * 2006-03-09 2010-02-16 Micron Technology, Inc. Trim process for critical dimension control for integrated circuits
JP5016832B2 (ja) * 2006-03-27 2012-09-05 株式会社東芝 不揮発性半導体記憶装置及びその製造方法
JP2008192708A (ja) * 2007-02-01 2008-08-21 Toshiba Corp 不揮発性半導体記憶装置
JP2009170661A (ja) * 2008-01-16 2009-07-30 Toshiba Corp 半導体装置の製造方法
NL1036891A1 (nl) * 2008-05-02 2009-11-03 Asml Netherlands Bv Dichroic mirror, method for manufacturing a dichroic mirror, lithographic apparatus, semiconductor device and method of manufacturing therefor.
JP5126076B2 (ja) 2009-01-08 2013-01-23 富士通株式会社 位置測定装置、成膜方法並びに成膜プログラム及び成膜装置
JP5341529B2 (ja) 2009-01-09 2013-11-13 株式会社東芝 不揮発性半導体記憶装置の製造方法
JP2010192646A (ja) * 2009-02-18 2010-09-02 Toshiba Corp 半導体装置及びその製造方法
KR20100109221A (ko) * 2009-03-31 2010-10-08 삼성전자주식회사 비휘발성 메모리 소자의 형성방법
US7786020B1 (en) * 2009-07-30 2010-08-31 Hynix Semiconductor Inc. Method for fabricating nonvolatile memory device
US8329051B2 (en) * 2010-12-14 2012-12-11 Lam Research Corporation Method for forming stair-step structures

Also Published As

Publication number Publication date
KR20140001948A (ko) 2014-01-07
US8535549B2 (en) 2013-09-17
TWI584360B (zh) 2017-05-21
TW201630060A (zh) 2016-08-16
SG190345A1 (en) 2013-07-31
TWI550699B (zh) 2016-09-21
US20120149203A1 (en) 2012-06-14
KR101888217B1 (ko) 2018-08-13
TW201232645A (en) 2012-08-01
WO2012082336A1 (en) 2012-06-21

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