KR102580098B1 - 다수의 실리콘 화합물의 선택적 모니터링 - Google Patents
다수의 실리콘 화합물의 선택적 모니터링 Download PDFInfo
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- 150000003377 silicon compounds Chemical class 0.000 title claims abstract description 68
- 238000012544 monitoring process Methods 0.000 title abstract description 6
- 239000000243 solution Substances 0.000 claims abstract description 206
- 239000012085 test solution Substances 0.000 claims abstract description 178
- 150000001875 compounds Chemical class 0.000 claims abstract description 150
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 120
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 119
- 238000000034 method Methods 0.000 claims abstract description 118
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 105
- 239000010703 silicon Substances 0.000 claims abstract description 103
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 84
- 238000005259 measurement Methods 0.000 claims abstract description 76
- 238000004458 analytical method Methods 0.000 claims abstract description 46
- -1 fluoride ions Chemical class 0.000 claims description 70
- 238000000921 elemental analysis Methods 0.000 claims description 35
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 claims description 12
- 125000000524 functional group Chemical group 0.000 claims description 11
- 230000035945 sensitivity Effects 0.000 claims description 10
- 238000005251 capillar electrophoresis Methods 0.000 claims description 6
- 238000002848 electrochemical method Methods 0.000 claims description 6
- 238000004255 ion exchange chromatography Methods 0.000 claims description 6
- 238000004566 IR spectroscopy Methods 0.000 claims description 4
- 238000001069 Raman spectroscopy Methods 0.000 claims description 4
- 238000004587 chromatography analysis Methods 0.000 claims description 4
- 238000004313 potentiometry Methods 0.000 claims description 4
- 238000001392 ultraviolet--visible--near infrared spectroscopy Methods 0.000 claims description 4
- 238000004832 voltammetry Methods 0.000 claims description 4
- 238000001636 atomic emission spectroscopy Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 2
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 claims 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 239000006184 cosolvent Substances 0.000 abstract description 46
- 238000000691 measurement method Methods 0.000 abstract description 18
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 62
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 45
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 31
- 230000008569 process Effects 0.000 description 30
- 229940126062 Compound A Drugs 0.000 description 25
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 25
- 239000000377 silicon dioxide Substances 0.000 description 25
- 229910052581 Si3N4 Inorganic materials 0.000 description 24
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 24
- 235000012239 silicon dioxide Nutrition 0.000 description 23
- 238000012360 testing method Methods 0.000 description 21
- 239000012895 dilution Substances 0.000 description 20
- 238000010790 dilution Methods 0.000 description 20
- 229910004298 SiO 2 Inorganic materials 0.000 description 17
- 230000007246 mechanism Effects 0.000 description 17
- 238000005530 etching Methods 0.000 description 15
- 238000003556 assay Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 150000003376 silicon Chemical class 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000013626 chemical specie Substances 0.000 description 3
- 238000003682 fluorination reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004886 process control Methods 0.000 description 3
- XJKVPKYVPCWHFO-UHFFFAOYSA-N silicon;hydrate Chemical compound O.[Si] XJKVPKYVPCWHFO-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910017855 NH 4 F Inorganic materials 0.000 description 2
- 229910008326 Si-Y Inorganic materials 0.000 description 2
- 229910006773 Si—Y Inorganic materials 0.000 description 2
- PBZHKWVYRQRZQC-UHFFFAOYSA-N [Si+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O Chemical compound [Si+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PBZHKWVYRQRZQC-UHFFFAOYSA-N 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229940098779 methanesulfonic acid Drugs 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 235000019260 propionic acid Nutrition 0.000 description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000012086 standard solution Substances 0.000 description 2
- 150000003460 sulfonic acids Chemical class 0.000 description 2
- GTDKXDWWMOMSFL-UHFFFAOYSA-M tetramethylazanium;fluoride Chemical compound [F-].C[N+](C)(C)C GTDKXDWWMOMSFL-UHFFFAOYSA-M 0.000 description 2
- PTMFUWGXPRYYMC-UHFFFAOYSA-N triethylazanium;formate Chemical compound OC=O.CCN(CC)CC PTMFUWGXPRYYMC-UHFFFAOYSA-N 0.000 description 2
- 229910008051 Si-OH Inorganic materials 0.000 description 1
- 229910006358 Si—OH Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- GTKRFUAGOKINCA-UHFFFAOYSA-M chlorosilver;silver Chemical compound [Ag].[Ag]Cl GTKRFUAGOKINCA-UHFFFAOYSA-M 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 229910052909 inorganic silicate Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- MINVSWONZWKMDC-UHFFFAOYSA-L mercuriooxysulfonyloxymercury Chemical compound [Hg+].[Hg+].[O-]S([O-])(=O)=O MINVSWONZWKMDC-UHFFFAOYSA-L 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000011192 particle characterization Methods 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- YIKQLNRXIWIZFA-UHFFFAOYSA-N silyl dihydrogen phosphate Chemical class OP(O)(=O)O[SiH3] YIKQLNRXIWIZFA-UHFFFAOYSA-N 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/333—Ion-selective electrodes or membranes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/4166—Systems measuring a particular property of an electrolyte
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0095—Semiconductive materials
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
- H01L22/24—Optical enhancement of defects or not directly visible states, e.g. selective electrolytic deposition, bubbles in liquids, light emission, colour change
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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
- H01L21/02—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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- Condensed Matter Physics & Semiconductors (AREA)
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
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Abstract
Description
도 2는 본 개시내용에 따른 방법을 도식적으로 예시하는 흐름도이며;
도 3은 본 개시내용에 따른 방법을 도식적으로 예시하는 흐름도이며;
도 4는 본 개시내용에 따른 방법을 도식적으로 예시하는 흐름도이며;
도 5는 인산 에칭제 용액 중 복수의 실리콘 화합물의 농도를 결정하기 위한 본 개시내용의 장비를 개략적으로 예시하며;
도 6a는 용액의 원소 분석을 포함하여, 인산 에칭제 용액 중 복수의 실리콘 화합물의 농도를 결정하기 위한 본 개시내용의 장비를 개략적으로 예시하며;
도 6b는 용액의 원소 분석을 포함하여, 인산 에칭제 용액 중 복수의 실리콘 화합물의 농도를 결정하기 위한 본 개시내용의 장비를 개략적으로 예시하고;
도 6c는 용액의 원소 분석을 포함하여, 인산 에칭제 용액 중 복수의 실리콘 화합물의 농도를 결정하기 위한 본 개시내용의 장비를 개략적으로 예시한다.
용액 | 화합물 A로부터의 Si (ppm) |
화합물 B로부터의 Si (Na2SiO3) (ppm) |
1 | 0 | 0 |
2 | 0 | 50 |
3 | 0 | 100 |
4 | 150 | 0 |
5 | 150 | 20 |
6 | 75 | 0 |
7 | 75 | 20 |
용액 | 조건 1 플루오라이드 방법에 의한 총 측정된 실리콘 (ppm) |
조건 2 플루오라이드 방법에 의한 총 측정된 실리콘 (ppm) |
화합물 A로부터 측정된/계산된 Si (ppm) |
화합물 B(Na 2 SiO 3 )로부터 측정된/계산된 Si (ppm) |
1 | 0 | 0 | 0 | 0 |
2 | 50 | 50 | 0 | 50 |
3 | 100 | 100 | 0 | 100 |
4 | 67.58 | 42.03 | 150 | 0 |
5 | 83.83 | 60.03 | 139.70 | 20.89 |
6 | 31.83 | 19.23 | 73.93 | 0.48 |
7 | 50.73 | 36.49 | 83.53 | 13.09 |
용액 | ICP-OES에 의한 총 측정된 실리콘 (ppm) |
조건 2 플루오라이드 방법에 의한 총 측정된 실리콘 (ppm) |
화합물 A로부터 측정된/계산된 Si (ppm) | 화합물 B(Na 2 SiO 3 )로부터 측정된계산된 Si (ppm) |
1 | 0 | 0 | 0 | 0 |
2 | 56.29 | 50 | 8.74 | 47.55 |
3 | 104.43 | 100 | 6.16 | 98.27 |
4 | 153 | 42.03 | 154.17 | -1.17* |
5 | 171.84 | 60.03 | 155.33 | 16.51 |
6 | 80.36 | 19.23 | 84.92 | -4.56* |
7 | 99.62 | 36.49 | 87.7 | 11.92 |
Claims (28)
- 에칭제 용액(etchant solution) 중 복수의 실리콘 화합물의 농도를 결정하는 방법으로서,
상기 방법은:
예정된 부피의 에칭제 용액을 포함하는 본래 (original) 시험 용액을 제공하는 단계로서, 상기 에칭제 용액은 제1 실리콘 화합물 및 제2 실리콘 화합물을 포함하는 것인 단계;
상기 본래 시험 용액의 제1 부분을 제공하는 단계;
상기 본래 시험 용액의 제1 부분의 제1 측정을 원소 분석에 의해 수행하는 단계로서, 상기 제1 측정은 제1 실리콘 화합물 및 제2 실리콘 화합물에 대해 동일한 민감성을 가지고 제1 실리콘 화합물 및 제2 실리콘 화합물의 총 농도의 측정을 포함하는 것인 단계;
상기 본래 시험 용액의 제2 부분을 제공하고, 플루오라이드계 화합물을 포함하는 시약을, 실리콘 : 시약의 결합비를 제공하면서, 본래 시험 용액의 제2 부분에 첨가하는 단계;
플루오라이드계 화합물을 포함하는 제2 부분의 플루오라이드 이온의 측정된 농도를 측정하는 단계를 포함하는, 플루오라이드 분석에 의해 제2 측정을 수행하는 단계로서, 상기 제2 측정은 제1 실리콘 화합물 및 제2 실리콘 화합물 각각에 대해 동일하지 않은 민감성을 적용하여 각각의 제1 실리콘 화합물 및 제2 실리콘 화합물의 농도를 측정함으로써 수행되는 것인 단계; 및
상기 제1 실리콘 화합물 및 상기 제2 실리콘 화합물의 농도를 상기 제1 측정 및 상기 제2 측정을 기초로 결정하는 단계
를 포함하는, 방법. - 제1항에 있어서,
플루오라이드계 화합물을 포함하는 상기 시약이 예정된 농도의 플루오라이드 이온을 포함하며,
제2 측정을 수행하는 단계가 플루오라이드 이온의 예정된 농도와 플루오라이드 이온의 측정된 농도 사이의 차이로부터 실리콘 농도를 결정하는 단계를 더 포함하고, 플루오라이드 이온의 측정된 농도는 용매와 함께 또는 용매 없이 측정되는 것인, 방법. - 제1항에 있어서,
상기 플루오라이드 이온의 측정된 농도를 측정하는 단계가, 이온 크로마토그래피, 모세관 전기영동 또는 전기화학 방법의 사용으로 이루어진 군으로부터 선택되는, 방법. - 제1항에 있어서,
상기 제1 측정이 AAS(AES), ICP-OES(AES), ICP-MS, MP-OES(AES), 또는 이들의 조합을 사용하여 수행되는, 방법. - 제1항에 있어서,
상기 제1 측정을 수행하기 전에, 본래 시험 용액의 제1 부분을 희석시키는 단계를 추가로 포함하는, 방법. - 에칭제 용액 중 복수의 실리콘 화합물의 농도를 결정하는 방법으로서,
상기 방법은:
예정된 부피의 에칭제 용액을 포함하는 본래 시험 용액을 제공하는 단계로서, 상기 에칭제 용액은 제1 실리콘 화합물 및 제2 실리콘 화합물을 포함하는 것인 단계;
상기 본래 시험 용액의 제1 부분을 제공하는 단계;
상기 본래 시험 용액의 제1 부분의 제1 측정을 수행하는 단계로서, 상기 제1 측정은 제1 실리콘 화합물 및 제2 실리콘 화합물 각각에 독립적으로 포함되는 하나 이상의 작용기의 총 농도의 측정을 포함하는 것인 단계;
상기 본래 시험 용액의 제2 부분을 제공하는 단계;
제2 측정을 수행하는 단계로서, 상기 제2 측정은 본래 시험 용액의 제2 부분에 플루오라이드계 화합물을 포함하는 시약을 첨가한 후, 상기 제2 부분에서 플루오라이드 이온의 측정된 농도 또는 총 실리콘 농도의 측정을 포함하는 것인 단계; 및
상기 제1 실리콘 화합물 및 상기 제2 실리콘 화합물의 농도를 상기 제1 측정 및 상기 제2 측정을 기초로 결정하는 단계
를 포함하고,
플루오라이드계 화합물을 포함하는 상기 시약이 예정된 농도의 플루오라이드 이온을 포함하며,
제2 측정을 수행하는 단계가 플루오라이드 이온의 예정된 농도와 플루오라이드 이온의 측정된 농도 사이의 차이로부터 실리콘 농도를 결정하는 단계를 더 포함하고, 플루오라이드 이온의 측정된 농도는 용매와 함께 또는 용매 없이 측정되는 것인, 방법. - 제6항에 있어서,
상기 제1 측정은 자외선-가시광선 근적외/적외선 분광법(UV-Vis-NIR-IR), 라만 분광법, 전위측정법, 전압전류법, 표면 장력, 크로마토그래피 또는 이들의 조합에 의해 수행되는, 방법. - 제6항에 있어서,
총 실리콘 농도가 AAS(AES), ICP-OES(AES), ICP-MS, MP-OES(AES), 또는 이들의 조합을 통해 측정되는, 방법. - 삭제
- 제6항에 있어서,
플루오라이드 이온의 측정된 농도를 측정하는 단계가, 이온 크로마토그래피, 모세관 전기영동 또는 전기화학 방법의 사용으로 이루어진 군으로부터 선택되는, 방법. - 삭제
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- 삭제
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