KR20010088807A - 웨이퍼, 에피택셜웨이퍼 및 이들의 제조방법 - Google Patents
웨이퍼, 에피택셜웨이퍼 및 이들의 제조방법 Download PDFInfo
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- KR20010088807A KR20010088807A KR1020017003434A KR20017003434A KR20010088807A KR 20010088807 A KR20010088807 A KR 20010088807A KR 1020017003434 A KR1020017003434 A KR 1020017003434A KR 20017003434 A KR20017003434 A KR 20017003434A KR 20010088807 A KR20010088807 A KR 20010088807A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 229910052796 boron Inorganic materials 0.000 claims abstract description 241
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 240
- 229910052710 silicon Inorganic materials 0.000 claims description 153
- 239000010703 silicon Substances 0.000 claims description 153
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 152
- 239000010410 layer Substances 0.000 claims description 117
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 65
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 45
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 45
- 239000000758 substrate Substances 0.000 claims description 43
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 37
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- 238000001179 sorption measurement Methods 0.000 claims description 9
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- 238000011109 contamination Methods 0.000 abstract description 23
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 7
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- 102000004190 Enzymes Human genes 0.000 description 1
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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- 239000003365 glass fiber Substances 0.000 description 1
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- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 150000002500 ions Chemical group 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
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- 230000003746 surface roughness Effects 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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- 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
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
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- C30—CRYSTAL GROWTH
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Abstract
Description
필터전 에어중의 보론농도(ng/m3) | 필터후 에어중의 보론농도(ng/m3) | |
외부조정기 | 10∼30 | 2∼10 |
공기조절기 | 5∼25 | 2∼10 |
천정 | 2∼10 | 2∼10 |
실내 | _ | 4∼13 |
필터전 에어중의 보론농도(ng/m3) | 필터후 에어중의 보론농도(ng/m3) | |
외부조정기 | 10∼30 | 10∼30 |
공기조절기 | 20∼50 | 30∼60 |
천정 | 30∼60 | 50∼70 |
실내 | _ | 50∼80 |
Claims (26)
- 표면의 부착보론의 양이 1×1010atoms/cm2이하인 것을 특징으로 하는 실리콘웨이퍼.
- 깊이 0.5 ㎛ 까지의 표면층내에서의 보론농도의 해당 표면층 바로 아래의 벌크실리콘중의 보론의 농도에 대한 증가분이 1×1015atoms/cm3이하 인 것을 특징으로 하는 실리콘웨이퍼.
- 다결정실리콘층과 단결정실리콘층의 계면을 포함하는 폭 1 ㎛의 계면근방층내에서의 보론농도의 해당 계면근방층에 외접하는 실리콘중의 보론농도에 대한 증가분이 1×1015atoms/cm3이하인 다결정층을 한쪽의 주면에 갖는 것을 특징으로 하는 실리콘웨이퍼.
- 단결정실리콘 기판의 배면에 다결정실리콘층을 갖는 실리콘에피택셜웨이퍼로서, 기판의 단결정실리콘과 다결정실리콘층의 계면을 포함하는 폭 1 ㎛의 계면근방층내에서의 보론농도의 해당 근방층에 외접하는 기판실리콘중의 보론농도에 대한 증가분이 1×1015atoms/cm3이하인 것을 특징으로 하는 실리콘에피택셜웨이퍼.
- CVD 실리콘산화물막과의 계면근방 0.5 ㎛ 내의 단결정실리콘층중의 보론농도의 해당 층에 접하는 벌크실리콘중의 보론농도에 대한 증가분이 1×1015atoms/cm3이하인 CVD 실리콘산화물막을 한쪽 주면에 갖는 것을 특징으로 하는 실리콘웨이퍼.
- 기판의 배면에 CVD 실리콘산화물막을 갖는 실리콘에피택셜웨이퍼로서, CVD 실리콘산화물막과의 계면근방 0.5 ㎛ 내의 단결정실리콘 기판중의 보론농도의 해당 층에 접하는 기판실리콘중의 보론농도에 대한 증가분이 1×1015atoms/cm3이하인 것을 특징으로 하는 실리콘에피택셜웨이퍼.
- 제 3 항에 있어서, 다결정층의 적어도 일부에서의 보론농도가 5×1014atoms/cm3이하인 다결정층을 배면에 갖는 것을 특징으로 하는 실리콘웨이퍼.
- 제 4 항에 있어서, 다결정층의 적어도 일부에서의 보론농도가 5×1014atoms/cm3이하인 다결정층을 배면에 갖는 것을 특징으로 하는 실리콘에피택셜웨이퍼.
- 단결정실리콘층의 한쪽의 주면에 다결정실리콘층과 해당 다결정실리콘층상에 CVD 실리콘산화물막을 갖는 실리콘웨이퍼로서, 다결정실리콘층과 단결정실리콘층의 계면을 포함하는 폭 1 ㎛의 계면근방층 내에서의 보론농도의 해당 계면근방층에 외접하는 실리콘중의 보론농도에 대한 증가분이 1×1015atoms/cm3이하이며, 실리콘산화물막과 다결정 실리콘층과의 계면을 포함하는 폭 0.5 ㎛의 계면근방다결정실리콘층중의 보론농도의 해당 근방 다결정실리콘층에 외접하는 다결정실리콘중의 보론농도에 대한 증가분이 1×1015atoms/cm3이하인 것을 특징으로 하는 실리콘웨이퍼.
- 기판의 배면에 다결정실리콘층과 해당 다결정실리콘층상에 CVD 실리콘산화물막을 갖는 실리콘에피택셜웨이퍼로서, 다결정실리콘층과 단결정실리콘층의 계면을 포함하는 폭 1 ㎛의 계면근방층내에서의 보론농도의 해당 계면근방층에 외접하는 실리콘중의 보론농도에 대한 증가분이 1×1015atoms/cm3이하이며, 실리콘산화물막과 다결정실리콘층과의 계면을 포함하는 폭 0.5 ㎛의 계면근방다결정실리콘층중의 보론농도의 해당 근방다결정실리콘층에 외접하는 다결정실리콘중의 보론농도에 대한 증가분이 1×1015atoms/cm3이하인 것을 특징으로 하는 실리콘에피택셜웨이퍼.
- 제 1 항∼제 3 항, 제 5 항, 제 7 항 및 제 9 항중 어느 한항에 있어서, 단결정실리콘벌크중의 보론의 농도가 1×1016atoms/cm3이하인 것을 특징으로 하는 실리콘웨이퍼.
- 제 4 항, 제 6 항, 제 8 항, 및 제 10 항중 어느 한항에 있어서, 기판중의 보론의 농도가 1×1016atoms/cm3이하인 것을 특징으로 하는 실리콘에피택셜웨이퍼.
- 제 1 항∼제 3 항, 제 5 항, 제 9 항 및 제 11 항중 어느 한항에 기재된 실리콘웨이퍼를 제조함에 있어, 보론농도가 15 ng/m3이하의 분위기에서 해당 실리콘웨이퍼의 처리, 보관 등의 취급을 하는 것을 특징으로 하는 실리콘웨이퍼의 제조방법.
- 제 4 항, 제 6 항, 제 8 항, 제 10 항 및 제 12 항중 어느 한항에 기재된 실리콘에피택셜웨이퍼를 제조함에 있어, 보론농도가 15 ng/m3이하의 분위기에서 해당 실리콘에피택셜웨이퍼의 처리, 보관 등의 취급을 하는 것을 특징으로 하는 실리콘에피택셜웨이퍼의 제조방법.
- 제 3 항, 제 7 항 및 제 9 항중 어느 한항에 기재된 실리콘웨이퍼를 제조함에 있어, 다결정실리콘층의 형성을 보론농도가 15 ng/m3이하의 분위기에서 행하는것을 특징으로 하는 실리콘웨이퍼의 제조방법.
- 제 4 항, 제 8 항, 제 10 항 및 제 12 항중 어느 한항에 기재된 실리콘에피택셜웨이퍼를 제조함에 있어, 다결정실리콘층의 형성을 보론농도가 15 ng/m3이하의 분위기에서 행하는 것을 특징으로 하는 실리콘에피택셜웨이퍼의 제조방법.
- 제 5 항, 제 9 항 및 제 11 항중 어느 한항에 기재된 실리콘웨이퍼를 제조함에 있어, CVD 실리콘산화물막의 성막을 보론농도가 15 ng/m3이하의 분위기에서 행하는 것을 특징으로 하는 실리콘웨이퍼의 제조방법.
- 제 6 항, 제 10 항 및 제 12 항중 어느 한항에 기재된 실리콘에피택셜웨이퍼를 제조함에 있어, CVD 실리콘산화물막의 성막을 보론농도가 15 ng/m3이하의 분위기에서 행하는 것을 특징으로 하는 실리콘에피택셜웨이퍼의 제조방법.
- 제 3 항, 제 7 항, 제 9 항 및 제 11 항중 어느 한항에 기재된 실리콘웨이퍼를 제조함에 있어, 보론의 부착량을 1×1010atoms/cm2이하로 억제한 표면에 다결정층을 형성하는 것을 특징으로 하는 실리콘웨이퍼의 제조방법.
- 제 4 항, 제 8 항, 제 10 항 및 제 12 항중 어느 한항에 기재된 실리콘에피택셜웨이퍼를 제조함에 있어, 보론의 부착량을 1×1010atoms/cm2이하로 억제한 표면에 다결정층을 형성하는 것을 특징으로 하는 실리콘에피택셜웨이퍼의 제조방법.
- 분위기중의 보론농도를 15 ng/m3이하로 하는 것을 특징으로 하는 분위기조정설비.
- 분위기중의 보론농도가 15 ng/m3이하인 것을 특징으로 하는 클린룸.
- 보론레스필터와 보론흡착필터를 갖는 공기조절기와, 보론레스필터를 갖는 1 또는 복수의 웨이퍼처리장치를 가지며, 분위기가스가 해당 공기조절기와 해당 클린룸과 해당 웨이퍼처리장치의 사이를 순환하도록 구성된 것을 특징으로 하는 클린룸용 공기조절설비.
- 제 23 항에 있어서, 보론레스필터와 보론흡착필터를 갖는 것을 특징으로 하는 클린룸용 공기조절설비.
- 제 23 항 또는 제 24 항에 있어서, 웨이퍼처리장치의 내압이 클린룸내압보다 높고, 해당 클린룸내압이 외부압력보다 높게 조정되어 있는 것을 특징으로 하는 클린룸용 공기조절설비.
- 제 1 항∼제 12 항중 어느 한항에 기재된 웨이퍼를 제조함에 있어, 제 23 항∼제 25 항중 어느 한항에 기재된 클린룸용 공기조절설비를 사용하여 실시하는 것을 특징으로 하는 웨이퍼의 제조방법.
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JP5609025B2 (ja) | 2009-06-29 | 2014-10-22 | 株式会社Sumco | エピタキシャルシリコンウェーハの製造方法 |
US20140087649A1 (en) * | 2012-09-26 | 2014-03-27 | Shenzhen China Star Optoelectronics Technology Co. Ltd. | Cleanroom and Cleaning Apparatus |
CN108139109B (zh) * | 2015-07-29 | 2021-09-21 | 莫比安尔私人公司 | 能实现零能量加热、通风、空调操作的方法和设备 |
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US5626820A (en) * | 1988-12-12 | 1997-05-06 | Kinkead; Devon A. | Clean room air filtering |
JPH05259147A (ja) * | 1992-03-16 | 1993-10-08 | Fujitsu Ltd | 半導体装置の製造方法 |
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US6102977A (en) * | 1998-06-18 | 2000-08-15 | Seh America, Inc. | Make-up air handler and method for supplying boron-free outside air to clean rooms |
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