JP7328316B2 - 基板処理装置及び基板処理方法 - Google Patents
基板処理装置及び基板処理方法 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims description 169
- 238000003672 processing method Methods 0.000 title claims description 14
- 239000007788 liquid Substances 0.000 claims description 339
- 238000000034 method Methods 0.000 claims description 86
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 73
- 238000011144 upstream manufacturing Methods 0.000 claims description 50
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000005530 etching Methods 0.000 claims description 25
- 239000010703 silicon Substances 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 10
- 238000009736 wetting Methods 0.000 claims description 7
- 235000011007 phosphoric acid Nutrition 0.000 description 29
- 239000010410 layer Substances 0.000 description 13
- 238000011084 recovery Methods 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
- 238000001035 drying Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000000352 supercritical drying Methods 0.000 description 2
- 238000004380 ashing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000000427 thin-film deposition Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67028—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
- H01L21/6704—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing
- H01L21/67051—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing using mainly spraying means, e.g. nozzles
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- 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
- H01L21/6708—Apparatus for fluid treatment for etching for wet etching using mainly spraying means, e.g. nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
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- H01L21/02104—Forming layers
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- 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
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- 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
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- 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
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- 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
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- 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
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
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- 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
- H01L21/67248—Temperature monitoring
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- H—ELECTRICITY
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- 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
- H01L21/687—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 mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—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 mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68764—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 mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a movable susceptor, stage or support, others than those only rotating on their own vertical axis, e.g. susceptors on a rotating caroussel
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- 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
- H01L21/687—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 mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—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 mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68792—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 mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by the construction of the shaft
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- Condensed Matter Physics & Semiconductors (AREA)
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- Computer Hardware Design (AREA)
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- Power Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Cleaning Or Drying Semiconductors (AREA)
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- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
Description
340 支持部材
360 昇降ユニット
380 処理液供給ユニット
381 処理液ノズル
400 純水供給ユニット
500 制御器
610、620 処理液タンク
612、622 ヒーター
615、625 バルブ
Claims (17)
- 基板を支持し、回転可能に提供される支持部材と、
加熱された第1処理液及び加熱された第2処理液を選択的に前記基板に供給する処理液ノズルと、
前記処理液ノズルが前記第1処理液を前記基板に先に供給した後、前記第2処理液を前記基板に供給するように前記処理液ノズルを制御する制御器と、を含み、
前記第1処理液は、リン酸とシリコンの混合液で提供され、
前記第2処理液は、純リン酸で提供される、基板処理装置。 - 前記基板は、窒化シリコン層及び酸化シリコン層が形成された状態に提供される請求項1に記載の基板処理装置。
- 前記第1処理液を貯蔵する第1処理液タンクと、
前記第2処理液を貯蔵する第2処理液タンクと、
前記第1処理液タンクと前記処理液ノズルを連結して前記第1処理液タンクに貯蔵された前記第1処理液を前記処理液ノズルに伝達する第1液供給配管と、
前記第2処理液タンクと前記処理液ノズルを連結して前記第2処理液タンクに貯蔵された前記第2処理液を前記処理液ノズルに伝達する第2液供給配管と、を含み、
前記第1液供給配管と前記第2液供給配管は、一領域以上が接するように提供される請求項1に記載の基板処理装置。 - 前記第1液供給配管と前記第2液供給配管は、一地点で前記処理液ノズルまで接するように提供される請求項3に記載の基板処理装置。
- 前記第1液供給配管は、
前記第1処理液タンクから前記処理液ノズルに供給される前記第1処理液の流れを基準に、上流に配置されて前記第1処理液タンクと連結される第1上流配管と、下流に配置されて前記処理液ノズルと連結される第1下流配管と、を含み、
前記第2液供給配管は、
前記第2処理液タンクから前記処理液ノズルに供給される前記第2処理液の流れを基準に、上流に配置されて前記第2処理液タンクと連結される第2上流配管と、下流に配置されて前記処理液ノズルと連結される第2下流配管と、を含み、
前記第1下流配管と前記第2下流配管は、接するように提供される請求項3に記載の基板処理装置。 - 前記第1上流配管には第1ヒーター及びバルブが提供され、
前記第2上流配管には第2ヒーター及びバルブが提供される請求項5に記載の基板処理装置。 - 前記第1ヒーターは、前記第1処理液を加熱し、
前記第2ヒーターは、前記第2処理液を加熱する請求項6に記載の基板処理装置。 - 前記第1ヒーターは、前記第1処理液を160℃以上に加熱し、
前記第2ヒーターは、前記第2処理液を160℃以上に加熱する請求項6に記載の基板処理装置。 - 前記処理液ノズルは、
第1ノズル部と第2ノズル部を含み、
前記第1ノズル部は、前記第1液供給配管と連結され、
前記第2ノズル部は、前記第2液供給配管と連結される請求項5に記載の基板処理装置。 - 前記基板に純水を供給する純水ノズルをさらに含む請求項1に記載の基板処理装置。
- 前記制御器は、
前記基板が回転される状態で前記基板に前記純水を設定時間供給するプリウェット工程と、
前記プリウェット工程の後に、前記基板が回転される状態で前記基板に前記第1処理液及び前記第2処理液を順次的に供給する蝕刻工程と、を遂行するように制御する請求項10に記載の基板処理装置。 - 前記制御器は、
前記蝕刻工程の後に、前記基板に対して純水を供給するリンス工程を遂行するように制御する請求項11に記載の基板処理装置。 - 窒化シリコン層及び酸化シリコン層が形成された状態に提供される基板を蝕刻する方法において、
前記基板が回転される状態で加熱された第1処理液を前記基板に先に供給した後、加熱された第2処理液を前記基板に供給して基板に対する蝕刻工程を遂行し、
記第1処理液は、リン酸とシリコンの混合液で提供され、
前記第2処理液は純リン酸で提供される、基板処理方法。 - 窒化シリコン層及び酸化シリコン層が形成された状態に提供される基板を蝕刻する方法において、
加熱された第1処理液に前記基板を設定時間浸漬し、その後前記基板を加熱された第2処理液に浸漬して基板に対する蝕刻工程を遂行し、
記第1処理液は、リン酸とシリコンの混合液で提供され、
前記第2処理液は純リン酸で提供される、基板処理方法。 - 前記第1処理液と前記第2処理液は、160℃以上に供給される請求項13又は請求項14に記載の基板処理方法。
- 前記蝕刻工程の前に、前記基板が回転される状態で前記基板に純水を設定時間供給するプリウェット工程と、
前記蝕刻工程の後に、前記基板に対して純水を供給するリンス工程をさらに遂行する請求項13に記載の基板処理方法。 - 基板を支持し、回転可能に提供される支持部材と、
加熱された第1処理液及び加熱された第2処理液を選択的に前記基板に供給する処理液ノズルと、
前記第1処理液としてリン酸とシリコンの混合液を貯蔵する第1処理液タンクと、
前記第2処理液として純リン酸を貯蔵する第2処理液タンクと、
前記第1処理液タンクと前記処理液ノズルを連結して前記第1処理液タンクに貯蔵された前記第1処理液を前記処理液ノズルに伝達する第1液供給配管と、
前記第2処理液タンクと前記処理液ノズルを連結して前記第2処理液タンクに貯蔵された前記第2処理液を前記処理液ノズルに伝達する第2液供給配管と、を含み、
前記第1液供給配管は、
前記第1処理液タンクから前記処理液ノズルに供給される前記第1処理液の流れを基準に、上流に配置されて前記第1処理液タンクと連結され、第1ヒーター及びバルブが提供される第1上流配管と、下流に配置されて前記処理液ノズルと連結される第1下流配管と、を含み、
前記第2液供給配管は、
前記第2処理液タンクから前記処理液ノズルに供給される前記第2処理液の流れを基準に、上流に配置されて前記第2処理液タンクと連結され、第2ヒーター及びバルブが提供される第2上流配管と、下流に配置されて前記処理液ノズルと連結される第2下流配管と、を含み、
前記第1下流配管と前記第2下流配管は、接するように提供され、
前記処理液ノズルが前記第1処理液を前記基板に先に供給した後、前記第2処理液を前記基板に供給するように前記処理液ノズルを制御する制御器を含み、
前記基板は、窒化シリコン層及び酸化シリコン層が形成された状態に提供される基板処理装置。
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Application Number | Priority Date | Filing Date | Title |
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KR1020200189425A KR102622986B1 (ko) | 2020-12-31 | 2020-12-31 | 기판 처리 장치 및 기판 처리 방법 |
KR10-2020-0189425 | 2020-12-31 |
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