KR20060078852A - 비저항값이 높은 실리콘웨이퍼의 d-결함 평가용 부식액및 이를 이용한 평가방법 - Google Patents
비저항값이 높은 실리콘웨이퍼의 d-결함 평가용 부식액및 이를 이용한 평가방법 Download PDFInfo
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- KR20060078852A KR20060078852A KR1020040117424A KR20040117424A KR20060078852A KR 20060078852 A KR20060078852 A KR 20060078852A KR 1020040117424 A KR1020040117424 A KR 1020040117424A KR 20040117424 A KR20040117424 A KR 20040117424A KR 20060078852 A KR20060078852 A KR 20060078852A
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- corrosion solution
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- 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
- C09K13/08—Etching, surface-brightening or pickling compositions containing an inorganic acid containing a fluorine compound
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/9501—Semiconductor wafers
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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
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
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- Inorganic Chemistry (AREA)
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Abstract
Description
부식액 | 조성 | 에칭속도 | 특징 |
dash | HF, HNO3, CH3COOH (1: 3: 12) | ~0.2㎛/min | 에칭속도가 매우 낮다. |
Sirtle | HF, Cr, H2O (1: 0.4: 0.2) | ~1㎛/min | |
Secco | HF, K2Cr2O7수용액(0.15mol%) (2: 1) | ~1.2㎛/min | Secco etching후 열처리를 동반하여, Dislocation 을 관찰 |
Wright | HF, HNO3, CrO3수용액(5mol%). Cu(NO3)2, CH3COOH, H2O | ~1㎛/min |
Claims (6)
- KMnO4, HF 및 물을 포함하는 비저항 값이 0.01Ω㎝ ~ 25.0 Ωcm 범위의 실리콘 웨이퍼의 결정 결함 평가용 부식액.
- 제 1 항에 있어서, 상기 결정 결함이 D-결함(Defect)인 결정 결함 평가용 부식액.
- 제 1 항에 있어서, 상기 부식액은 KMnO4: HF: 물을 포함하며, 상기 KMnO4: HF의 부피비가 0.5~1 : 1~3인 것인 결정 결함 평가용 부식액.
- 제 3 항에 있어서, 상기 부식액은 KMnO4의 농도가 0.4M 내지 0.5M인 결정 결함 평가용 부식액.
- 제 1항 내지 4항중 어느 한 항에 따른 결정 결함 평가용 부식액을 비저항 값이 0.01Ω㎝ ~ 25.0 Ω㎝ 범위의 실리콘 웨이퍼에 처리하여 결정결함을 표면화하고, 현미경으로 평가하는 것을 포함하는 비저항 값이 0.01Ω㎝ ~ 25.0 Ω㎝ 범위의 실리콘 웨이퍼의 결정 결함 평가방법.
- 제 5 항에 있어서, 상기 부식액 처리는 45초 내지 90초간 실시하는 것인 실리콘 웨이퍼의 결정 결함 평가방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040117424A KR100646729B1 (ko) | 2004-12-30 | 2004-12-30 | 비저항값이 높은 실리콘웨이퍼의 d-결함 평가용 부식액및 이를 이용한 평가방법 |
JP2005358099A JP2006191021A (ja) | 2004-12-30 | 2005-12-12 | シリコンウェハのd−欠陥評価用腐蝕液、及びこれを利用した評価方法 |
US11/323,907 US20060144823A1 (en) | 2004-12-30 | 2005-12-29 | Etching solution for D-defect evaluation in silicon wafer and evaluation method using the same |
Applications Claiming Priority (1)
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KR1020040117424A KR100646729B1 (ko) | 2004-12-30 | 2004-12-30 | 비저항값이 높은 실리콘웨이퍼의 d-결함 평가용 부식액및 이를 이용한 평가방법 |
Publications (2)
Publication Number | Publication Date |
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KR20060078852A true KR20060078852A (ko) | 2006-07-05 |
KR100646729B1 KR100646729B1 (ko) | 2006-11-23 |
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KR1020040117424A KR100646729B1 (ko) | 2004-12-30 | 2004-12-30 | 비저항값이 높은 실리콘웨이퍼의 d-결함 평가용 부식액및 이를 이용한 평가방법 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2706211B2 (ja) * | 1993-04-14 | 1998-01-28 | 財団法人神奈川科学技術アカデミー | 半導体用エッチング液と結晶処理方法および半導体装置の製造方法 |
JP3945964B2 (ja) * | 2000-06-01 | 2007-07-18 | 株式会社ルネサステクノロジ | 研磨剤、研磨方法及び半導体装置の製造方法 |
KR20030021183A (ko) * | 2000-06-30 | 2003-03-12 | 엠이엠씨 일렉트로닉 머티리얼즈 인코포레이티드 | 실리콘 웨이퍼 에칭 공정 |
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