KR980011747A - 다층구조 웨이퍼 가장자리의 가공방법 - Google Patents
다층구조 웨이퍼 가장자리의 가공방법 Download PDFInfo
- Publication number
- KR980011747A KR980011747A KR1019960028021A KR19960028021A KR980011747A KR 980011747 A KR980011747 A KR 980011747A KR 1019960028021 A KR1019960028021 A KR 1019960028021A KR 19960028021 A KR19960028021 A KR 19960028021A KR 980011747 A KR980011747 A KR 980011747A
- Authority
- KR
- South Korea
- Prior art keywords
- wafer
- edge
- layered
- chemical etching
- bonded
- Prior art date
Links
- 238000003672 processing method Methods 0.000 title description 4
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000003486 chemical etching Methods 0.000 claims abstract description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 16
- 239000010703 silicon Substances 0.000 claims abstract description 16
- 230000002265 prevention Effects 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 6
- 235000012431 wafers Nutrition 0.000 claims description 88
- 238000005498 polishing Methods 0.000 claims description 7
- 238000005530 etching Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 238000006748 scratching Methods 0.000 abstract description 3
- 230000002393 scratching effect Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000004065 semiconductor Substances 0.000 description 8
- 229910003460 diamond Inorganic materials 0.000 description 6
- 239000010432 diamond Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
Landscapes
- Element Separation (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
Claims (3)
- 두 개의 웨이퍼를 접합 및 열처리한 다층구조 웨이퍼에 실리콘 웨이퍼 화학적 식각 방지막을 성장시키는 공정; 상기 화학적 식각 방지막이 형성된 다층구조 웨이퍼의 가장자리를 연마하는 공정; 상기 가장자리가 연마된 다층구조 웨이퍼의 가장자리를 화학적으로 식각하는 공정; 상기 화학적으로 식각한 다층구조 웨이퍼의 상부부분을 가공하는 공정; 그리고 상기 가공한 다층구조 웨이퍼를 세정하는 공정; 을 포함하는 다층구조 웨이퍼 가장자리의 가공방법.
- 제 1항에 있어서, 상기 다층구조 웨이퍼 가장자리의 연마 공정은 다층구조 웨이퍼에서 각각의 상부에 위치하는 화학적 식각 방지막을 유지함으로써 화학적 식각 공정에서 그 하부의 웨이퍼가 식각되지 않도록 하는 다층구조 웨이퍼 가장자리의 가공방법.
- 제 1항에 있어서, 상기 다층구조 웨이퍼는 SOI 또는 SDB인 다층구조 웨이퍼 가장자리의 가공방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960028021A KR980011747A (ko) | 1996-07-11 | 1996-07-11 | 다층구조 웨이퍼 가장자리의 가공방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960028021A KR980011747A (ko) | 1996-07-11 | 1996-07-11 | 다층구조 웨이퍼 가장자리의 가공방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR980011747A true KR980011747A (ko) | 1998-04-30 |
Family
ID=66242356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960028021A KR980011747A (ko) | 1996-07-11 | 1996-07-11 | 다층구조 웨이퍼 가장자리의 가공방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR980011747A (ko) |
-
1996
- 1996-07-11 KR KR1019960028021A patent/KR980011747A/ko not_active Application Discontinuation
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