KR20000037743A - 중금속불순물 게터링방법 - Google Patents
중금속불순물 게터링방법 Download PDFInfo
- Publication number
- KR20000037743A KR20000037743A KR1019980052476A KR19980052476A KR20000037743A KR 20000037743 A KR20000037743 A KR 20000037743A KR 1019980052476 A KR1019980052476 A KR 1019980052476A KR 19980052476 A KR19980052476 A KR 19980052476A KR 20000037743 A KR20000037743 A KR 20000037743A
- Authority
- KR
- South Korea
- Prior art keywords
- silicon wafer
- edge portion
- metal impurities
- surface damage
- damage layer
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000012535 impurity Substances 0.000 title claims abstract description 18
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 17
- 238000005247 gettering Methods 0.000 title claims abstract description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 35
- 239000010703 silicon Substances 0.000 claims abstract description 35
- 230000001678 irradiating effect Effects 0.000 claims abstract description 3
- 230000007547 defect Effects 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 abstract description 13
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000011324 bead Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 230000000452 restraining effect Effects 0.000 abstract 1
- 235000012431 wafers Nutrition 0.000 description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000013078 crystal Substances 0.000 description 7
- 239000002244 precipitate Substances 0.000 description 5
- 239000011651 chromium Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 230000006911 nucleation Effects 0.000 description 3
- 238000010899 nucleation Methods 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000003672 processing method 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
- H01L21/04—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
- H01L21/322—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections
- H01L21/3221—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections of silicon bodies, e.g. for gettering
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)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (4)
- 실리콘웨이퍼의 에지부(Edge Portion)에 소정깊이의 표면손상층을 형성하는 공정과, 상기실리콘웨이퍼를 고온 열처리하여 상기표면손상층내에 다수의 벌크결함을 형성하는 공정을 구비하는 중금속불순물을 게터링하는 제조방법.
- 청구항 1항에 있어서, 상기표면손상층의 깊이가 2㎛~ 10 ㎛ 인 것을 특징으로 하는 중금속불순물을 게터링하는 제조방법.
- 청구항 1항에 있어서, 상기실리콘웨이퍼의 에지부(Edge Portion)이외 영역에 소자영역이 형성되는 것을 특징으로 하는 중금속불순물을 게터링하는 제조방법.
- 실리콘웨이퍼의 에지부(Edge Portion)이외부분에 레지스트막을 형성하는 공정과, 상기에지부에 레이저 빔을 조사하여 소정깊이의 표면손상층을 형성하는 공정과, 상기실리콘웨이퍼를 고온 열처리하여 상기표면손상층내에 다수의 벌크결함을 형성하는 공정을 구비하는 중금속불순물을 게터링하는 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980052476A KR100275959B1 (ko) | 1998-12-02 | 1998-12-02 | 중금속불순물 게터링방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980052476A KR100275959B1 (ko) | 1998-12-02 | 1998-12-02 | 중금속불순물 게터링방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000037743A true KR20000037743A (ko) | 2000-07-05 |
KR100275959B1 KR100275959B1 (ko) | 2000-12-15 |
Family
ID=19560945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980052476A KR100275959B1 (ko) | 1998-12-02 | 1998-12-02 | 중금속불순물 게터링방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100275959B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111755588A (zh) * | 2020-06-17 | 2020-10-09 | 济南晶正电子科技有限公司 | 一种复合单晶压电基板及其制备方法 |
-
1998
- 1998-12-02 KR KR1019980052476A patent/KR100275959B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111755588A (zh) * | 2020-06-17 | 2020-10-09 | 济南晶正电子科技有限公司 | 一种复合单晶压电基板及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
KR100275959B1 (ko) | 2000-12-15 |
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