KR100914605B1 - 나노토포그라피가 개선된 웨이퍼 제조 방법 - Google Patents
나노토포그라피가 개선된 웨이퍼 제조 방법Info
- Publication number
- KR100914605B1 KR100914605B1 KR1020070138306A KR20070138306A KR100914605B1 KR 100914605 B1 KR100914605 B1 KR 100914605B1 KR 1020070138306 A KR1020070138306 A KR 1020070138306A KR 20070138306 A KR20070138306 A KR 20070138306A KR 100914605 B1 KR100914605 B1 KR 100914605B1
- Authority
- KR
- South Korea
- Prior art keywords
- wafer
- etching
- grinding
- polishing
- thickness
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 104
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title 1
- 229910052710 silicon Inorganic materials 0.000 title 1
- 239000010703 silicon Substances 0.000 title 1
- 238000000227 grinding Methods 0.000 claims abstract description 63
- 238000005530 etching Methods 0.000 claims abstract description 54
- 238000007517 polishing process Methods 0.000 claims abstract description 23
- 238000005498 polishing Methods 0.000 claims abstract description 18
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 10
- 238000007518 final polishing process Methods 0.000 claims description 3
- 235000012431 wafers Nutrition 0.000 description 90
- 239000004065 semiconductor Substances 0.000 description 8
- 239000003513 alkali Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000012670 alkaline solution Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 239000000126 substance Substances 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
- H01L21/02002—Preparing wafers
- H01L21/02005—Preparing bulk and homogeneous wafers
- H01L21/02008—Multistep processes
- H01L21/0201—Specific process step
- H01L21/02019—Chemical 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
- H01L21/02—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
- H01L21/30625—With simultaneous mechanical treatment, e.g. mechanico-chemical polishing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
구 분 | 그라인딩 공정 | 양면 폴리싱 제거율 |
참조예 | 적 용 | - |
테스트예1 | 생 략 | 참조예와 동일 |
테스트예2 | 생 략 | 참조예의 1.5 배 |
Claims (7)
- 잉곳으로부터 웨이퍼를 제조하는 방법에 있어서,상기 잉곳을 웨이퍼 형태로 얇게 절단하는 슬라이싱 공정;상기 절단된 웨이퍼의 양면을 연마하는 래핑 공정;상기 래핑된 웨이퍼의 불순물 및 데미지를 제거하는 에칭 공정; 및상기 에칭된 웨이퍼 표면을 경면 연마하는 폴리싱 공정을 포함하되,상기 에칭 공정 다음에 진행되는 웨이퍼 표면을 연삭하는 그라인딩 공정이 생략되는 것을 특징으로 하는 나노토포그라피가 개선된 웨이퍼 제조 방법.
- 제 1항에 있어서,상기 슬라이싱 공정에서 웨이퍼 형태로 절단되는 잉곳의 두께는, 상기 그라인딩 공정을 행하는 경우에 상기 그라인딩 공정에서 제거되는 웨이퍼 두께만큼 얇아지는 것을 특징으로 하는 나노토포그라피가 개선된 웨이퍼 제조 방법.
- 제 1항에 있어서,상기 래핑 공정에 의해 제거되는 웨이퍼의 두께는, 상기 그라인딩 공정을 행하는 경우에 상기 그라인딩 공정에서 제거되는 웨이퍼 두께만큼 더 커지는 것을 특징으로 하는 나노토포그라피가 개선된 웨이퍼 제조 방법.
- 제 1항에 있어서,상기 폴리싱 공정은,상기 웨이퍼의 평탄도를 개선하고, 두께를 제어하는 양면 폴리싱 공정; 및상기 웨이퍼의 파티클(particle) 및 나노토포그라피(nanotopograph)를 제어하는 파이널 폴리싱 공정을 포함하는 것을 특징으로 하는 나노토포그라피가 개선된 웨이퍼 제조 방법.
- 제 4항에 있어서,상기 폴리싱 공정에서 경면 연마에 의해 제거되는 웨이퍼의 두께는, 상기 그라인딩 공정을 행하는 경우에 상기 그라인딩 공정에서 제거되는 웨이퍼 두께만큼 더 커지는 것을 특징으로 하는 나노토포그라피가 개선된 웨이퍼 제조 방법.
- 제 1항에 있어서,상기 에칭 공정에서 식각에 의해 제거되는 웨이퍼의 제거량은, 상기 그라인딩 공정을 행하는 경우에 에칭 공정에서 식각에 의해 제거되는 웨이퍼의 제거량보다 적은 것을 특징으로 하는 나노토포그라피가 개선된 웨이퍼 제조 방법.
- 제 6항에 있어서,상기 에칭 공정에서 사용되는 용액은 NaOH인 것을 특징으로 하는 나노토포그라피가 개선된 웨이퍼 제조 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070138306A KR100914605B1 (ko) | 2007-12-27 | 2007-12-27 | 나노토포그라피가 개선된 웨이퍼 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070138306A KR100914605B1 (ko) | 2007-12-27 | 2007-12-27 | 나노토포그라피가 개선된 웨이퍼 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090070330A KR20090070330A (ko) | 2009-07-01 |
KR100914605B1 true KR100914605B1 (ko) | 2009-08-31 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020070138306A KR100914605B1 (ko) | 2007-12-27 | 2007-12-27 | 나노토포그라피가 개선된 웨이퍼 제조 방법 |
Country Status (1)
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KR (1) | KR100914605B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20170000973U (ko) | 2015-09-04 | 2017-03-15 | 현대중공업 주식회사 | 플라즈마 가공장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1055990A (ja) * | 1996-08-09 | 1998-02-24 | Mitsubishi Materials Shilicon Corp | 半導体ウェ−ハおよびその製造方法 |
KR20030031009A (ko) * | 2000-06-29 | 2003-04-18 | 신에쯔 한도타이 가부시키가이샤 | 반도체 웨이퍼의 가공방법 및 반도체 웨이퍼 |
KR100398704B1 (ko) * | 2001-12-28 | 2003-09-19 | 주식회사 실트론 | 실리콘 웨이퍼 제조 방법 |
KR100827574B1 (ko) * | 2005-08-17 | 2008-05-07 | 가부시키가이샤 사무코 | 실리콘 웨이퍼의 제조 방법 |
-
2007
- 2007-12-27 KR KR1020070138306A patent/KR100914605B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1055990A (ja) * | 1996-08-09 | 1998-02-24 | Mitsubishi Materials Shilicon Corp | 半導体ウェ−ハおよびその製造方法 |
KR20030031009A (ko) * | 2000-06-29 | 2003-04-18 | 신에쯔 한도타이 가부시키가이샤 | 반도체 웨이퍼의 가공방법 및 반도체 웨이퍼 |
KR100398704B1 (ko) * | 2001-12-28 | 2003-09-19 | 주식회사 실트론 | 실리콘 웨이퍼 제조 방법 |
KR100827574B1 (ko) * | 2005-08-17 | 2008-05-07 | 가부시키가이샤 사무코 | 실리콘 웨이퍼의 제조 방법 |
Also Published As
Publication number | Publication date |
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KR20090070330A (ko) | 2009-07-01 |
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