KR20050032837A - 에피택셜 웨이퍼의 제조방법 - Google Patents
에피택셜 웨이퍼의 제조방법 Download PDFInfo
- Publication number
- KR20050032837A KR20050032837A KR1020030068813A KR20030068813A KR20050032837A KR 20050032837 A KR20050032837 A KR 20050032837A KR 1020030068813 A KR1020030068813 A KR 1020030068813A KR 20030068813 A KR20030068813 A KR 20030068813A KR 20050032837 A KR20050032837 A KR 20050032837A
- Authority
- KR
- South Korea
- Prior art keywords
- wafer
- protective film
- epitaxial
- film
- back surface
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 238000000034 method Methods 0.000 claims abstract description 32
- 238000007517 polishing process Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 39
- 238000000151 deposition Methods 0.000 claims description 33
- 238000005498 polishing Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 18
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 12
- 238000005137 deposition process Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000005530 etching Methods 0.000 claims description 5
- 238000001039 wet etching Methods 0.000 claims description 5
- 230000007547 defect Effects 0.000 claims description 4
- 150000004767 nitrides Chemical class 0.000 claims description 4
- 230000008021 deposition Effects 0.000 abstract description 27
- 230000002159 abnormal effect Effects 0.000 abstract description 24
- 235000012431 wafers Nutrition 0.000 description 91
- 239000010408 film Substances 0.000 description 43
- 239000010410 layer Substances 0.000 description 26
- 238000010586 diagram Methods 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 101000891649 Homo sapiens Transcription elongation factor A protein-like 1 Proteins 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 102100040250 Transcription elongation factor A protein-like 1 Human genes 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- H01L21/02002—Preparing wafers
- H01L21/02005—Preparing bulk and homogeneous wafers
- H01L21/02008—Multistep processes
- H01L21/0201—Specific process step
- H01L21/02024—Mirror polishing
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
-
- 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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02373—Group 14 semiconducting materials
- H01L21/02381—Silicon, silicon germanium, germanium
-
- 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
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)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
Claims (10)
- 웨이퍼의 경면 연마후 그 배면이 서셉터에 놓여지게 하여 상기 경면에 결함이 극도로 적은 에피층(Epitaxial layer)를 성장시키는 에피택셜 웨이퍼의 제조방법에 있어서,경면연마를 하기 이전에 상기 웨이퍼의 배면에 상기 웨이퍼와 다른 성분으로 구성된 보호막질을 증착시키는 막질 증착과정과;상기 보호막질이 증착된 웨이퍼의 경면을 연마하는 경면연마과정과;상기 경면연마가 종료된 웨이퍼의 표면에 상기 에피층을 성장시키는 과정과;상기 배면에 증착된 막질을 제거하는 막질제거과정을 포함하여 구성되는 것을 특징으로 하는 에피택셜 웨이퍼의 제조방법.
- 청구항 1에 있어서, 상기 보호막질은 상기 웨이퍼를 이루는 주요성분 물질의 산화물로 이루어진 산화막인 것을 특징으로 하는 에피택셜 웨이퍼의 제조방법.
- 청구항 1에 있어서, 상기 보호막질은 상기 웨이퍼를 이루는 주요성분 물질의 질화물로 이루어진 질화막인 것을 특징으로 하는 에피택셜 웨이퍼의 제조방법.
- 청구항 1에 있어서, 상기 보호막질은 최대한의 두께가 5000Å 으로 증착되는 것을 특징으로 하는 에피택셜 웨이퍼의 제조방법.
- 청구항 1에 있어서, 상기 웨이퍼의 배면에 상기 보호막질을 증착하기 이전에 묽은 불산이나 SC1 용액에 의한 웨이퍼 표면에 세정이 이루어지는 것을 특징으로 하는 에피택셜 웨이퍼의 제조방법.
- 청구항 1 내지 5 중 어느 하나의 청구항에 있어서, 상기 보호막질이 증착된 후에 에지에칭과 에지연마 및 경면 연마가 이루어지는 것을 특징으로 하는 에피택셜 웨이퍼의 제조방법.
- 청구항 1에 있어서, 상기 막질증착 과정은 에피층의 최소한의 두께가 10um이 되도록 성장시키는 경우에 대해 수행하는 것을 특징으로 하는 에피택셜 웨이퍼의 제조방법.
- 청구항 1 내지 5, 7 중 어느 하나의 청구항에 있어서, 상기 잔류막질의 제거는 습식식각에 의하는 것을 특징으로 하는 에피택셜 웨이퍼의 제조방법.
- 청구항 8에 있어서, 상기 습식식각은 묽은 불산이나 SC1 용액에 의해 수행되는 것을 특징으로 하는 에피택셜 웨이퍼의 제조방법.
- 청구항 1 내지 5, 7 중 어느 하나의 청구항에 있어서, 상기 서셉터와 상기 웨이퍼의 배면은 최소한 50%가 서로 접촉하는 것을 특징으로 하는 에피택셜 웨이퍼의 제조방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030068813A KR20050032837A (ko) | 2003-10-02 | 2003-10-02 | 에피택셜 웨이퍼의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030068813A KR20050032837A (ko) | 2003-10-02 | 2003-10-02 | 에피택셜 웨이퍼의 제조방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20050032837A true KR20050032837A (ko) | 2005-04-08 |
Family
ID=37237203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020030068813A Ceased KR20050032837A (ko) | 2003-10-02 | 2003-10-02 | 에피택셜 웨이퍼의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20050032837A (ko) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100790725B1 (ko) * | 2006-12-20 | 2008-01-02 | 동부일렉트로닉스 주식회사 | 반도체 소자의 제조방법 |
| KR100903725B1 (ko) * | 2006-03-22 | 2009-06-19 | 도쿄엘렉트론가부시키가이샤 | 기판 처리 방법 및 기억 매체 |
| KR100931195B1 (ko) * | 2007-07-12 | 2009-12-10 | 주식회사 실트론 | 웨이퍼의 표면처리방법 |
| US7985699B2 (en) | 2006-03-22 | 2011-07-26 | Tokyo Electron Limited | Substrate processing method and storage medium |
-
2003
- 2003-10-02 KR KR1020030068813A patent/KR20050032837A/ko not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100903725B1 (ko) * | 2006-03-22 | 2009-06-19 | 도쿄엘렉트론가부시키가이샤 | 기판 처리 방법 및 기억 매체 |
| US7985699B2 (en) | 2006-03-22 | 2011-07-26 | Tokyo Electron Limited | Substrate processing method and storage medium |
| KR100790725B1 (ko) * | 2006-12-20 | 2008-01-02 | 동부일렉트로닉스 주식회사 | 반도체 소자의 제조방법 |
| KR100931195B1 (ko) * | 2007-07-12 | 2009-12-10 | 주식회사 실트론 | 웨이퍼의 표면처리방법 |
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| Date | Code | Title | Description |
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| A201 | Request for examination | ||
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20031002 |
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| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20050929 Patent event code: PE09021S01D |
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| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20060215 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20050929 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |