KR20030067546A - 실리콘 웨이퍼의 열처리방법 및 그 방법을 사용하여제조된 실리콘 웨이퍼 - Google Patents
실리콘 웨이퍼의 열처리방법 및 그 방법을 사용하여제조된 실리콘 웨이퍼 Download PDFInfo
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- KR20030067546A KR20030067546A KR10-2003-0007458A KR20030007458A KR20030067546A KR 20030067546 A KR20030067546 A KR 20030067546A KR 20030007458 A KR20030007458 A KR 20030007458A KR 20030067546 A KR20030067546 A KR 20030067546A
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- Prior art keywords
- silicon wafer
- wafer
- oxygen
- silicon
- heat treatment
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 103
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 102
- 239000010703 silicon Substances 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 65
- 238000010438 heat treatment Methods 0.000 title claims abstract description 40
- 239000001301 oxygen Substances 0.000 claims abstract description 51
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 51
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 50
- 230000006911 nucleation Effects 0.000 claims abstract description 14
- 238000001556 precipitation Methods 0.000 claims abstract description 12
- 125000004430 oxygen atom Chemical group O* 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 4
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 34
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 16
- 239000011800 void material Substances 0.000 claims description 14
- 239000007858 starting material Substances 0.000 claims description 9
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 238000010899 nucleation Methods 0.000 abstract description 9
- 235000012431 wafers Nutrition 0.000 description 117
- 239000013078 crystal Substances 0.000 description 29
- 239000010410 layer Substances 0.000 description 27
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 24
- 230000007547 defect Effects 0.000 description 19
- 239000001257 hydrogen Substances 0.000 description 13
- 229910052739 hydrogen Inorganic materials 0.000 description 13
- 238000012545 processing Methods 0.000 description 13
- 229910052786 argon Inorganic materials 0.000 description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000000137 annealing Methods 0.000 description 10
- 238000009792 diffusion process Methods 0.000 description 10
- 238000004151 rapid thermal annealing Methods 0.000 description 10
- 238000005498 polishing Methods 0.000 description 9
- 238000011109 contamination Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 238000005247 gettering Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000035899 viability Effects 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000007518 final polishing process Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003325 tomography 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
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
-
- 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
-
- 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
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
-
- 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
- H01L21/3225—Thermally inducing defects using oxygen present in the silicon body for intrinsic gettering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1024—Apparatus for crystallization from liquid or supercritical state
- Y10T117/1076—Apparatus for crystallization from liquid or supercritical state having means for producing a moving solid-liquid-solid zone
- Y10T117/1088—Apparatus for crystallization from liquid or supercritical state having means for producing a moving solid-liquid-solid zone including heating or cooling details
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
[Oi][1017at/㎤] | 2r[nm] | d[nm] | T[℃] | t[초] |
6.5 | 70 | 2 | 1300 | 122 |
6.5 | 70 | 4 | 1300 | 133 |
6.5 | 70 | 2 | 1350 | 41 |
6.5 | 120 | 2 | 1350 | 366 |
5.0 | 70 | 2 | 1220 | 714 |
6.0 | 70 | 2 | 1220 | 797 |
7.0 | 70 | 2 | 1220 | 1090 |
8.0 | 70 | 2 | 1220 | |
5.0 | 70 | 2 | 1250 | 369 |
6.0 | 70 | 2 | 1250 | 390 |
7.0 | 70 | 2 | 1250 | 432 |
8.0 | 70 | 2 | 1250 | 552 |
9.0 | 70 | 2 | 1250 |
Claims (11)
- 실리콘 웨이퍼가 최소한 일시적으로 산소함유 분위기에 노출되는 실리콘 웨이퍼의 열처리방법에 있어서 열처리는 다음의 부등식이 만족되게 선택된 온도에 실시됨을 특징으로 하는 실리콘 웨이퍼의 열처리방법[Oi]<[Oi}eq(T)exp(1)여기서, [Oi]는 실리콘 웨이퍼의 산소농도이며, [Oi]eq(T)는 온도(T)에서 실리콘에 있는 산소의 한계용해도이며,는 실리콘 디옥시드의 표면에너지이며, Ω은 침전산소원자의 부피이며, r은 평균 COP반경이고, k는 볼쯔만 상수이다.
- 제 1항에 있어서, 본 방법에 사용된 개시물질은 산소농도[Oi]<7 ㆍ1017at/㎤를 가진 실리콘 웨이퍼임을 특징으로 하는 실리콘 웨이퍼의 열처리방법.
- 제 1 또는 제 2항에 있어서, 본 발명에 사용된 개시물질은 160nm 이하의 평균 COP직경을 가진 실리콘 웨이퍼임을 특징으로 하는 실리콘 웨이퍼의 열처리방법.
- 제 1항에 있어서, 실리콘 웨이퍼는 온도가 부등식(1)을 만족하는 범위내에 있을 때까지 소정의 가열속도로 가열되고, 다음 그 온도는 소정의 시간 그 영역에 유지되며, 그 다음 실리콘 웨이퍼는 소정의 냉각속도로 냉각됨을 특징으로 하는 실리콘 웨이퍼의 열처리방법.
- 제 4항에 있어서, 상기 온도가 부등식(1)을 만족하는 영역내에 있는 시간은 10초 ~ 15분간에 있는 것을 특징으로 하는 실리콘 웨이퍼의 열처리방법.
- 제 4항 또 5항에 있어서, 실리콘 웨이퍼는 10K/s ~ 120K/s간의 냉각속도에서 냉각됨을 특징으로 하는 실리콘 웨이퍼의 열처리방법.
- 제 4항에 있어서, 실리콘 웨이퍼의 뒷면은 최소한 냉각동작시 질소함유 분위기에 노출됨을 특징으로 하는 실리콘 웨이퍼의 열처리방법.
- 제 1항에 있어서, 실리콘 웨이퍼는 연처리후에 연마됨을 특징으로 하는 실리콘 웨이퍼의 열처리방법.
- 부피에서 최소 107㎝-3의 산소침전에 대한 핵생성센터의 밀도와 웨이퍼 앞면에서 핵생성센터 없는 최소 1㎛의 두께인 영역과 또 웨이퍼 두께의 최소 50%에 대응하는 깊이까지 10000㎝-3이하의 COP밀도를 구비한 것을 특징으로 하는 실리콘 웨이퍼.
- 제 9항에 있어서, 비대칭 공백점농도 프로파일을 구비함을 특징으로 하는 실리콘 웨이퍼.
- 제 9항에 있어서, 질소를 함유하며 웨이퍼면에 수직인 모든 임의의 직선을 따라서 있는 질소농도는 일정하지 않음을 특징으로 하는 실리콘 웨이퍼.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10205084A DE10205084B4 (de) | 2002-02-07 | 2002-02-07 | Verfahren zur thermischen Behandlung einer Siliciumscheibe sowie dadurch hergestellte Siliciumscheibe |
DE10205084.8 | 2002-02-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030067546A true KR20030067546A (ko) | 2003-08-14 |
KR100547216B1 KR100547216B1 (ko) | 2006-01-26 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020030007458A KR100547216B1 (ko) | 2002-02-07 | 2003-02-06 | 실리콘 웨이퍼의 열처리방법 및 그 방법을 사용하여제조된 실리콘 웨이퍼 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6803331B2 (ko) |
JP (2) | JP2003297840A (ko) |
KR (1) | KR100547216B1 (ko) |
CN (1) | CN1217393C (ko) |
DE (1) | DE10205084B4 (ko) |
TW (1) | TW593795B (ko) |
Cited By (1)
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KR20200024918A (ko) * | 2017-07-10 | 2020-03-09 | 실트로닉 아게 | 단결정 실리콘으로 제조된 반도체 웨이퍼 및 이를 생성하기 위한 프로세스 |
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KR100766393B1 (ko) * | 2003-02-14 | 2007-10-11 | 주식회사 사무코 | 규소 웨이퍼의 제조방법 |
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KR100531552B1 (ko) * | 2003-09-05 | 2005-11-28 | 주식회사 하이닉스반도체 | 실리콘 웨이퍼 및 그 제조방법 |
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DE19941902A1 (de) | 1999-09-02 | 2001-03-15 | Wacker Siltronic Halbleitermat | Verfahren zur Herstellung von mit Stickstoff dotierten Halbleiterscheiben |
KR100378184B1 (ko) * | 1999-11-13 | 2003-03-29 | 삼성전자주식회사 | 제어된 결함 분포를 갖는 실리콘 웨이퍼, 그의 제조공정및 단결정 실리콘 잉곳의 제조를 위한 초크랄스키 풀러 |
JP2001308101A (ja) * | 2000-04-19 | 2001-11-02 | Mitsubishi Materials Silicon Corp | シリコンウェーハの熱処理方法及びシリコンウェーハ |
DE10024710A1 (de) * | 2000-05-18 | 2001-12-20 | Steag Rtp Systems Gmbh | Einstellung von Defektprofilen in Kristallen oder kristallähnlichen Strukturen |
JP4131077B2 (ja) * | 2000-06-30 | 2008-08-13 | 株式会社Sumco | シリコンウェーハの製造方法 |
JP4567251B2 (ja) * | 2001-09-14 | 2010-10-20 | シルトロニック・ジャパン株式会社 | シリコン半導体基板およびその製造方法 |
KR100423752B1 (ko) * | 2001-11-12 | 2004-03-22 | 주식회사 실트론 | 실리콘 반도체 웨이퍼 및 그 제조 방법 |
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2002
- 2002-02-07 DE DE10205084A patent/DE10205084B4/de not_active Expired - Lifetime
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- 2003-02-06 KR KR1020030007458A patent/KR100547216B1/ko active IP Right Grant
- 2003-02-06 JP JP2003029617A patent/JP2003297840A/ja not_active Withdrawn
- 2003-02-07 TW TW092102610A patent/TW593795B/zh not_active IP Right Cessation
- 2003-02-08 CN CN031042643A patent/CN1217393C/zh not_active Expired - Lifetime
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20200024918A (ko) * | 2017-07-10 | 2020-03-09 | 실트로닉 아게 | 단결정 실리콘으로 제조된 반도체 웨이퍼 및 이를 생성하기 위한 프로세스 |
Also Published As
Publication number | Publication date |
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JP2008135773A (ja) | 2008-06-12 |
JP2003297840A (ja) | 2003-10-17 |
TW200303943A (en) | 2003-09-16 |
DE10205084B4 (de) | 2008-10-16 |
US6803331B2 (en) | 2004-10-12 |
CN1437229A (zh) | 2003-08-20 |
JP5171277B2 (ja) | 2013-03-27 |
TW593795B (en) | 2004-06-21 |
US20030148634A1 (en) | 2003-08-07 |
KR100547216B1 (ko) | 2006-01-26 |
DE10205084A1 (de) | 2003-08-21 |
CN1217393C (zh) | 2005-08-31 |
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